water pollution assignment in english

Water Pollution: Everything You Need to Know

Our rivers, reservoirs, lakes, and seas are drowning in chemicals, waste, plastic, and other pollutants. Here’s why―and what you can do to help.

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What is water pollution?

What are the causes of water pollution, categories of water pollution, what are the effects of water pollution, what can you do to prevent water pollution.

Water pollution occurs when harmful substances—often chemicals or microorganisms—contaminate a stream, river, lake, ocean, aquifer, or other body of water, degrading water quality and rendering it toxic to humans or the environment.

This widespread problem of water pollution is jeopardizing our health. Unsafe water kills more people each year than war and all other forms of violence combined. Meanwhile, our drinkable water sources are finite: Less than 1 percent of the earth’s freshwater is actually accessible to us. Without action, the challenges will only increase by 2050, when global demand for freshwater is expected to be one-third greater than it is now.

Water is uniquely vulnerable to pollution. Known as a “universal solvent,” water is able to dissolve more substances than any other liquid on earth. It’s the reason we have Kool-Aid and brilliant blue waterfalls. It’s also why water is so easily polluted. Toxic substances from farms, towns, and factories readily dissolve into and mix with it, causing water pollution.

Here are some of the major sources of water pollution worldwide:

Agricultural

Toxic green algae in Copco Reservoir, northern California

Aurora Photos/Alamy

Not only is the agricultural sector the biggest consumer of global freshwater resources, with farming and livestock production using about 70 percent of the earth’s surface water supplies , but it’s also a serious water polluter. Around the world, agriculture is the leading cause of water degradation. In the United States, agricultural pollution is the top source of contamination in rivers and streams, the second-biggest source in wetlands, and the third main source in lakes. It’s also a major contributor of contamination to estuaries and groundwater. Every time it rains, fertilizers, pesticides, and animal waste from farms and livestock operations wash nutrients and pathogens—such bacteria and viruses—into our waterways. Nutrient pollution , caused by excess nitrogen and phosphorus in water or air, is the number-one threat to water quality worldwide and can cause algal blooms , a toxic soup of blue-green algae that can be harmful to people and wildlife.

Sewage and wastewater

Used water is wastewater. It comes from our sinks, showers, and toilets (think sewage) and from commercial, industrial, and agricultural activities (think metals, solvents, and toxic sludge). The term also includes stormwater runoff , which occurs when rainfall carries road salts, oil, grease, chemicals, and debris from impermeable surfaces into our waterways

More than 80 percent of the world’s wastewater flows back into the environment without being treated or reused, according to the United Nations; in some least-developed countries, the figure tops 95 percent. In the United States, wastewater treatment facilities process about 34 billion gallons of wastewater per day . These facilities reduce the amount of pollutants such as pathogens, phosphorus, and nitrogen in sewage, as well as heavy metals and toxic chemicals in industrial waste, before discharging the treated waters back into waterways. That’s when all goes well. But according to EPA estimates, our nation’s aging and easily overwhelmed sewage treatment systems also release more than 850 billion gallons of untreated wastewater each year.

Oil pollution

Big spills may dominate headlines, but consumers account for the vast majority of oil pollution in our seas, including oil and gasoline that drips from millions of cars and trucks every day. Moreover, nearly half of the estimated 1 million tons of oil that makes its way into marine environments each year comes not from tanker spills but from land-based sources such as factories, farms, and cities. At sea, tanker spills account for about 10 percent of the oil in waters around the world, while regular operations of the shipping industry—through both legal and illegal discharges—contribute about one-third. Oil is also naturally released from under the ocean floor through fractures known as seeps.

Radioactive substances

Radioactive waste is any pollution that emits radiation beyond what is naturally released by the environment. It’s generated by uranium mining, nuclear power plants, and the production and testing of military weapons, as well as by universities and hospitals that use radioactive materials for research and medicine. Radioactive waste can persist in the environment for thousands of years, making disposal a major challenge. Consider the decommissioned Hanford nuclear weapons production site in Washington, where the cleanup of 56 million gallons of radioactive waste is expected to cost more than $100 billion and last through 2060. Accidentally released or improperly disposed of contaminants threaten groundwater, surface water, and marine resources.

To address pollution and protect water we need to understand where the pollution is coming from (point source or nonpoint source) and the type of water body its impacting (groundwater, surface water, or ocean water).

Where is the pollution coming from?

Point source pollution.

When contamination originates from a single source, it’s called point source pollution. Examples include wastewater (also called effluent) discharged legally or illegally by a manufacturer, oil refinery, or wastewater treatment facility, as well as contamination from leaking septic systems, chemical and oil spills, and illegal dumping. The EPA regulates point source pollution by establishing limits on what can be discharged by a facility directly into a body of water. While point source pollution originates from a specific place, it can affect miles of waterways and ocean.

Nonpoint source

Nonpoint source pollution is contamination derived from diffuse sources. These may include agricultural or stormwater runoff or debris blown into waterways from land. Nonpoint source pollution is the leading cause of water pollution in U.S. waters, but it’s difficult to regulate, since there’s no single, identifiable culprit.

Transboundary

It goes without saying that water pollution can’t be contained by a line on a map. Transboundary pollution is the result of contaminated water from one country spilling into the waters of another. Contamination can result from a disaster—like an oil spill—or the slow, downriver creep of industrial, agricultural, or municipal discharge.

What type of water is being impacted?

Groundwater pollution.

When rain falls and seeps deep into the earth, filling the cracks, crevices, and porous spaces of an aquifer (basically an underground storehouse of water), it becomes groundwater—one of our least visible but most important natural resources. Nearly 40 percent of Americans rely on groundwater, pumped to the earth’s surface, for drinking water. For some folks in rural areas, it’s their only freshwater source. Groundwater gets polluted when contaminants—from pesticides and fertilizers to waste leached from landfills and septic systems—make their way into an aquifer, rendering it unsafe for human use. Ridding groundwater of contaminants can be difficult to impossible, as well as costly. Once polluted, an aquifer may be unusable for decades, or even thousands of years. Groundwater can also spread contamination far from the original polluting source as it seeps into streams, lakes, and oceans.

Surface water pollution

Covering about 70 percent of the earth, surface water is what fills our oceans, lakes, rivers, and all those other blue bits on the world map. Surface water from freshwater sources (that is, from sources other than the ocean) accounts for more than 60 percent of the water delivered to American homes. But a significant pool of that water is in peril. According to the most recent surveys on national water quality from the U.S. Environmental Protection Agency, nearly half of our rivers and streams and more than one-third of our lakes are polluted and unfit for swimming, fishing, and drinking. Nutrient pollution, which includes nitrates and phosphates, is the leading type of contamination in these freshwater sources. While plants and animals need these nutrients to grow, they have become a major pollutant due to farm waste and fertilizer runoff. Municipal and industrial waste discharges contribute their fair share of toxins as well. There’s also all the random junk that industry and individuals dump directly into waterways.

Ocean water pollution

Eighty percent of ocean pollution (also called marine pollution) originates on land—whether along the coast or far inland. Contaminants such as chemicals, nutrients, and heavy metals are carried from farms, factories, and cities by streams and rivers into our bays and estuaries; from there they travel out to sea. Meanwhile, marine debris— particularly plastic —is blown in by the wind or washed in via storm drains and sewers. Our seas are also sometimes spoiled by oil spills and leaks—big and small—and are consistently soaking up carbon pollution from the air. The ocean absorbs as much as a quarter of man-made carbon emissions .

On human health

To put it bluntly: Water pollution kills. In fact, it caused 1.8 million deaths in 2015, according to a study published in The Lancet . Contaminated water can also make you ill. Every year, unsafe water sickens about 1 billion people. And low-income communities are disproportionately at risk because their homes are often closest to the most polluting industries.

Waterborne pathogens, in the form of disease-causing bacteria and viruses from human and animal waste, are a major cause of illness from contaminated drinking water . Diseases spread by unsafe water include cholera, giardia, and typhoid. Even in wealthy nations, accidental or illegal releases from sewage treatment facilities, as well as runoff from farms and urban areas, contribute harmful pathogens to waterways. Thousands of people across the United States are sickened every year by Legionnaires’ disease (a severe form of pneumonia contracted from water sources like cooling towers and piped water), with cases cropping up from California’s Disneyland to Manhattan’s Upper East Side.

A woman using bottled water to wash her three-week-old son at their home in Flint, Michigan

Todd McInturf/The Detroit News/AP

Meanwhile, the plight of residents in Flint, Michigan —where cost-cutting measures and aging water infrastructure created a lead contamination crisis—offers a stark look at how dangerous chemical and other industrial pollutants in our water can be. The problem goes far beyond Flint and involves much more than lead, as a wide range of chemical pollutants—from heavy metals such as arsenic and mercury to pesticides and nitrate fertilizers —are getting into our water supplies. Once they’re ingested, these toxins can cause a host of health issues, from cancer to hormone disruption to altered brain function. Children and pregnant women are particularly at risk.

Even swimming can pose a risk. Every year, 3.5 million Americans contract health issues such as skin rashes, pinkeye, respiratory infections, and hepatitis from sewage-laden coastal waters, according to EPA estimates.

On the environment

In order to thrive, healthy ecosystems rely on a complex web of animals, plants, bacteria, and fungi—all of which interact, directly or indirectly, with each other. Harm to any of these organisms can create a chain effect, imperiling entire aquatic environments.

When water pollution causes an algal bloom in a lake or marine environment, the proliferation of newly introduced nutrients stimulates plant and algae growth, which in turn reduces oxygen levels in the water. This dearth of oxygen, known as eutrophication , suffocates plants and animals and can create “dead zones,” where waters are essentially devoid of life. In certain cases, these harmful algal blooms can also produce neurotoxins that affect wildlife, from whales to sea turtles.

Chemicals and heavy metals from industrial and municipal wastewater contaminate waterways as well. These contaminants are toxic to aquatic life—most often reducing an organism’s life span and ability to reproduce—and make their way up the food chain as predator eats prey. That’s how tuna and other big fish accumulate high quantities of toxins, such as mercury.

Marine ecosystems are also threatened by marine debris , which can strangle, suffocate, and starve animals. Much of this solid debris, such as plastic bags and soda cans, gets swept into sewers and storm drains and eventually out to sea, turning our oceans into trash soup and sometimes consolidating to form floating garbage patches. Discarded fishing gear and other types of debris are responsible for harming more than 200 different species of marine life.

Meanwhile, ocean acidification is making it tougher for shellfish and coral to survive. Though they absorb about a quarter of the carbon pollution created each year by burning fossil fuels, oceans are becoming more acidic. This process makes it harder for shellfish and other species to build shells and may impact the nervous systems of sharks, clownfish, and other marine life.

With your actions

We’re all accountable to some degree for today’s water pollution problem. Fortunately, there are some simple ways you can prevent water contamination or at least limit your contribution to it:

• Learn about the unique qualities of water where you live . Where does your water come from? Is the wastewater from your home treated? Where does stormwater flow to? Is your area in a drought? Start building a picture of the situation so you can discover where your actions will have the most impact—and see if your neighbors would be interested in joining in!
• Reduce your plastic consumption and reuse or recycle plastic when you can.
• Properly dispose of chemical cleaners, oils, and nonbiodegradable items to keep them from going down the drain.
• Maintain your car so it doesn’t leak oil, antifreeze, or coolant.
• If you have a yard, consider landscaping that reduces runoff and avoid applying pesticides and herbicides .
• Don’t flush your old medications! Dispose of them in the trash to prevent them from entering local waterways.
• Be mindful of anything you pour into storm sewers, since that waste often won’t be treated before being released into local waterways. If you notice a storm sewer blocked by litter, clean it up to keep that trash out of the water. (You’ll also help prevent troublesome street floods in a heavy storm.)
• If you have a pup, be sure to pick up its poop .

With your voice

One of the most effective ways to stand up for our waters is to speak out in support of the Clean Water Act, which has helped hold polluters accountable for five decades—despite attempts by destructive industries to gut its authority. But we also need regulations that keep pace with modern-day challenges, including microplastics, PFAS , pharmaceuticals, and other contaminants our wastewater treatment plants weren’t built to handle, not to mention polluted water that’s dumped untreated.

Tell the federal government, the U.S. Army Corps of Engineers, and your local elected officials that you support water protections and investments in infrastructure, like wastewater treatment, lead-pipe removal programs, and stormwater-abating green infrastructure. Also, learn how you and those around you can get involved in the policymaking process . Our public waterways serve every one of us. We should all have a say in how they’re protected.

This story was originally published on May 14, 2018, and has been updated with new information and links.

This NRDC.org story is available for online republication by news media outlets or nonprofits under these conditions: The writer(s) must be credited with a byline; you must note prominently that the story was originally published by NRDC.org and link to the original; the story cannot be edited (beyond simple things such as grammar); you can’t resell the story in any form or grant republishing rights to other outlets; you can’t republish our material wholesale or automatically—you need to select stories individually; you can’t republish the photos or graphics on our site without specific permission; you should drop us a note to let us know when you’ve used one of our stories.

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Water pollution: an introduction

by Chris Woodford . Last updated: October 1, 2023.

O ver two thirds of Earth's surface is covered by water ; less than a third is taken up by land. As Earth's population continues to grow, people are putting ever-increasing pressure on the planet's water resources. In a sense, our oceans, rivers , and other inland waters are being "squeezed" by human activities—not so they take up less room, but so their quality is reduced. Poorer water quality means water pollution .

We know that pollution is a human problem because it is a relatively recent development in the planet's history: before the 19th century Industrial Revolution, people lived more in harmony with their immediate environment. As industrialization has spread around the globe, so the problem of pollution has spread with it. When Earth's population was much smaller, no one believed pollution would ever present a serious problem. It was once popularly believed that the oceans were far too big to pollute. Today, with around 7 billion people on the planet, it has become apparent that there are limits. Pollution is one of the signs that humans have exceeded those limits.

Photo: Stormwater pollution entering a river from a drain. Photo by Peter C Van Metre courtesy of US Geological Survey .

What is water pollution?

Water pollution can be defined in many ways. Usually, it means one or more substances have built up in water to such an extent that they cause problems for animals or people. Oceans, lakes, rivers, and other inland waters can naturally clean up a certain amount of pollution by dispersing it harmlessly. If you poured a cup of black ink into a river, the ink would quickly disappear into the river's much larger volume of clean water. The ink would still be there in the river, but in such a low concentration that you would not be able to see it. At such low levels, the chemicals in the ink probably would not present any real problem. However, if you poured gallons of ink into a river every few seconds through a pipe, the river would quickly turn black. The chemicals in the ink could very quickly have an effect on the quality of the water. This, in turn, could affect the health of all the plants, animals, and humans whose lives depend on the river.

Photo: Pollution means adding substances to the environment that don't belong there—like the air pollution from this smokestack. Pollution is not always as obvious as this, however.

Thus, water pollution is all about quantities : how much of a polluting substance is released and how big a volume of water it is released into. A small quantity of a toxic chemical may have little impact if it is spilled into the ocean from a ship. But the same amount of the same chemical can have a much bigger impact pumped into a lake or river, where there is less clean water to disperse it.

"The introduction by man, directly or indirectly, of substances or energy into the marine environment (including estuaries) resulting in such deleterious effects as harm to living resources, hazards to human health, hindrance to marine activities, including fishing, impairment of quality for use of sea water and reduction of amenities." [1]

What are the main types of water pollution?

When we think of Earth's water resources, we think of huge oceans, lakes, and rivers. Water resources like these are called surface waters . The most obvious type of water pollution affects surface waters. For example, a spill from an oil tanker creates an oil slick that can affect a vast area of the ocean.

Photo: Detergent pollution entering a river—an example of surface water pollution. Photo courtesy of US Fish & Wildlife Service Photo Library.

Not all of Earth's water sits on its surface, however. A great deal of water is held in underground rock structures known as aquifers, which we cannot see and seldom think about. Water stored underground in aquifers is known as groundwater . Aquifers feed our rivers and supply much of our drinking water. They too can become polluted, for example, when weed killers used in people's gardens drain into the ground. Groundwater pollution is much less obvious than surface-water pollution, but is no less of a problem. In 1996, a study in Iowa in the United States found that over half the state's groundwater wells were contaminated with weed killers. You might think things would have improved since then, but, two decades on, all that's really changed is the name of the chemicals we're using. Today, numerous scientific studies are still finding weed killers in groundwater in worrying quantities: a 2012 study discovered glyphosate in 41 percent of 140 groundwater samples from Catalonia, Spain; scientific opinion differs on whether this is safe or not. [2]

Surface waters and groundwater are the two types of water resources that pollution affects. There are also two different ways in which pollution can occur. If pollution comes from a single location, such as a discharge pipe attached to a factory, it is known as point-source pollution . Other examples of point source pollution include an oil spill from a tanker, a discharge from a smoke stack (factory chimney), or someone pouring oil from their car down a drain. A great deal of water pollution happens not from one single source but from many different scattered sources. This is called nonpoint-source pollution .

When point-source pollution enters the environment, the place most affected is usually the area immediately around the source. For example, when a tanker accident occurs, the oil slick is concentrated around the tanker itself and, in the right ocean conditions, the pollution disperses the further away from the tanker you go. This is less likely to happen with nonpoint source pollution which, by definition, enters the environment from many different places at once.

Sometimes pollution that enters the environment in one place has an effect hundreds or even thousands of miles away. This is known as transboundary pollution . One example is the way radioactive waste travels through the oceans from nuclear reprocessing plants in England and France to nearby countries such as Ireland and Norway.

How do we know when water is polluted?

Some forms of water pollution are very obvious: everyone has seen TV news footage of oil slicks filmed from helicopters flying overhead. Water pollution is usually less obvious and much harder to detect than this. But how can we measure water pollution when we cannot see it? How do we even know it's there?

There are two main ways of measuring the quality of water. One is to take samples of the water and measure the concentrations of different chemicals that it contains. If the chemicals are dangerous or the concentrations are too great, we can regard the water as polluted. Measurements like this are known as chemical indicators of water quality. Another way to measure water quality involves examining the fish, insects, and other invertebrates that the water will support. If many different types of creatures can live in a river, the quality is likely to be very good; if the river supports no fish life at all, the quality is obviously much poorer. Measurements like this are called biological indicators of water quality.

What are the causes of water pollution?

Most water pollution doesn't begin in the water itself. Take the oceans: around 80 percent of ocean pollution enters our seas from the land. [16] Virtually any human activity can have an effect on the quality of our water environment. When farmers fertilize the fields, the chemicals they use are gradually washed by rain into the groundwater or surface waters nearby. Sometimes the causes of water pollution are quite surprising. Chemicals released by smokestacks (chimneys) can enter the atmosphere and then fall back to earth as rain, entering seas, rivers, and lakes and causing water pollution. That's called atmospheric deposition . Water pollution has many different causes and this is one of the reasons why it is such a difficult problem to solve.

With billions of people on the planet, disposing of sewage waste is a major problem. According to 2017 figures from the World Health Organization, some 2 billion people (about a quarter of the world's population) don't have access to safe drinking water or the most basic sanitation, 3.4 billion (60 people of the population) lack "safely managed" sanitation (unshared, with waste properly treated). Although there have been great improvements in securing access to clean water, relatively little, genuine progress has been made on improving global sanitation in the last decade. [20] Sewage disposal affects people's immediate environments and leads to water-related illnesses such as diarrhea that kills 525,000 children under five each year. [3] (Back in 2002, the World Health Organization estimated that water-related diseases could kill as many as 135 million people by 2020; in 2019, the WHO was still estimating the annual death toll from poor water and sanitation at over 800,000 people a year.) In developed countries, most people have flush toilets that take sewage waste quickly and hygienically away from their homes.

Yet the problem of sewage disposal does not end there. When you flush the toilet, the waste has to go somewhere and, even after it leaves the sewage treatment works, there is still waste to dispose of. Sometimes sewage waste is pumped untreated into the sea. Until the early 1990s, around 5 million tons of sewage was dumped by barge from New York City each year. [4] According to 2002 figures from the UK government's Department for the Environment, Food, and Rural Affairs (DEFRA), the sewers of Britain collect around 11 billion liters of waste water every day; there are still 31,000 sewage overflow pipes through which, in certain circumstances, such as heavy storms, raw sewage is pumped untreated into the sea. [5] The New River that crosses the border from Mexico into California once carried with it 20–25 million gallons (76–95 million liters) of raw sewage each day; a new waste water plant on the US-Mexico border, completed in 2007, substantially solved that problem. [6] Unfortunately, even in some of the richest nations, the practice of dumping sewage into the sea continues. In early 2012, it was reported that the tiny island of Guernsey (between Britain and France) has decided to continue dumping 16,000 tons of raw sewage into the sea each day.

In theory, sewage is a completely natural substance that should be broken down harmlessly in the environment: 90 percent of sewage is water. [7] In practice, sewage contains all kinds of other chemicals, from the pharmaceutical drugs people take to the paper , plastic , and other wastes they flush down their toilets. When people are sick with viruses, the sewage they produce carries those viruses into the environment. It is possible to catch illnesses such as hepatitis, typhoid, and cholera from river and sea water.

Photo: Nutrients make crops grow, but cause pollution when they seep into rivers and other watercourses. Photo courtesy of US Department of Agriculture (Flickr) .

Suitably treated and used in moderate quantities, sewage can be a fertilizer: it returns important nutrients to the environment, such as nitrogen and phosphorus, which plants and animals need for growth. The trouble is, sewage is often released in much greater quantities than the natural environment can cope with. Chemical fertilizers used by farmers also add nutrients to the soil, which drain into rivers and seas and add to the fertilizing effect of the sewage. Together, sewage and fertilizers can cause a massive increase in the growth of algae or plankton that overwhelms huge areas of oceans, lakes, or rivers. This is known as a harmful algal bloom (also known as an HAB or red tide, because it can turn the water red). It is harmful because it removes oxygen from the water that kills other forms of life, leading to what is known as a dead zone . The Gulf of Mexico has one of the world's most spectacular dead zones. Each summer, according to studies by the NOAA , it typically grows to an area of around 5500–6500 square miles (14,000–16,800 square kilometers), which is about the same size as the state of Connecticut. [21]

Waste water

A few statistics illustrate the scale of the problem that waste water (chemicals washed down drains and discharged from factories) can cause. Around half of all ocean pollution is caused by sewage and waste water. Each year, the world generates perhaps 5–10 billion tons of industrial waste, much of which is pumped untreated into rivers, oceans, and other waterways. [8] In the United States alone, around 400,000 factories take clean water from rivers, and many pump polluted waters back in their place. However, there have been major improvements in waste water treatment recently. Since 1970, in the United States, the Environmental Protection Agency (EPA) has invested about $70 billion in improving water treatment plants that, as of 2021, serve around 90 percent of the US population (compared to just 69 percent in 1972). However, another $271 billion is still needed to update and upgrade the system. [15]

Factories are point sources of water pollution, but quite a lot of water is polluted by ordinary people from nonpoint sources; this is how ordinary water becomes waste water in the first place. Virtually everyone pours chemicals of one sort or another down their drains or toilets. Even detergents used in washing machines and dishwashers eventually end up in our rivers and oceans. So do the pesticides we use on our gardens. A lot of toxic pollution also enters waste water from highway runoff . Highways are typically covered with a cocktail of toxic chemicals—everything from spilled fuel and brake fluids to bits of worn tires (themselves made from chemical additives) and exhaust emissions. When it rains, these chemicals wash into drains and rivers. It is not unusual for heavy summer rainstorms to wash toxic chemicals into rivers in such concentrations that they kill large numbers of fish overnight. It has been estimated that, in one year, the highway runoff from a single large city leaks as much oil into our water environment as a typical tanker spill. Some highway runoff runs away into drains; others can pollute groundwater or accumulate in the land next to a road, making it increasingly toxic as the years go by.

Chemical waste

Detergents are relatively mild substances. At the opposite end of the spectrum are highly toxic chemicals such as polychlorinated biphenyls (PCBs) . They were once widely used to manufacture electronic circuit boards , but their harmful effects have now been recognized and their use is highly restricted in many countries. Nevertheless, an estimated half million tons of PCBs were discharged into the environment during the 20th century. [9] In a classic example of transboundary pollution, traces of PCBs have even been found in birds and fish in the Arctic. They were carried there through the oceans, thousands of miles from where they originally entered the environment. Although PCBs are widely banned, their effects will be felt for many decades because they last a long time in the environment without breaking down.

Another kind of toxic pollution comes from heavy metals , such as lead, cadmium, and mercury. Lead was once commonly used in gasoline (petrol), though its use is now restricted in some countries. Mercury and cadmium are still used in batteries (though some brands now use other metals instead). Until recently, a highly toxic chemical called tributyltin (TBT) was used in paints to protect boats from the ravaging effects of the oceans. Ironically, however, TBT was gradually recognized as a pollutant: boats painted with it were doing as much damage to the oceans as the oceans were doing to the boats.

The best known example of heavy metal pollution in the oceans took place in 1938 when a Japanese factory discharged a significant amount of mercury metal into Minamata Bay, contaminating the fish stocks there. It took a decade for the problem to come to light. By that time, many local people had eaten the fish and around 2000 were poisoned. Hundreds of people were left dead or disabled. [10]

Radioactive waste

People view radioactive waste with great alarm—and for good reason. At high enough concentrations it can kill; in lower concentrations it can cause cancers and other illnesses. The biggest sources of radioactive pollution in Europe are two factories that reprocess waste fuel from nuclear power plants : Sellafield on the north-west coast of Britain and Cap La Hague on the north coast of France. Both discharge radioactive waste water into the sea, which ocean currents then carry around the world. Countries such as Norway, which lie downstream from Britain, receive significant doses of radioactive pollution from Sellafield. [19] The Norwegian government has repeatedly complained that Sellafield has increased radiation levels along its coast by 6–10 times. Both the Irish and Norwegian governments continue to press for the plant's closure. [11]

Oil pollution

Photo: Oil-tanker spills are the most spectacular forms of pollution and the ones that catch public attention, but only a fraction of all water pollution happens this way. Photo by Lamar Gore courtesy of US Fish & Wildlife Service Photo Library and US National Archive .

When we think of ocean pollution, huge black oil slicks often spring to mind, yet these spectacular accidents represent only a tiny fraction of all the pollution entering our oceans. Even considering oil by itself, tanker spills are not as significant as they might seem: only 12 percent of the oil that enters the oceans comes from tanker accidents; over 70 percent of oil pollution at sea comes from routine shipping and from the oil people pour down drains on land. [12] However, what makes tanker spills so destructive is the sheer quantity of oil they release at once — in other words, the concentration of oil they produce in one very localized part of the marine environment. The biggest oil spill in recent years (and the biggest ever spill in US waters) occurred when the tanker Exxon Valdez broke up in Prince William Sound in Alaska in 1989. Around 12 million gallons (44 million liters) of oil were released into the pristine wilderness—enough to fill your living room 800 times over! Estimates of the marine animals killed in the spill vary from approximately 1000 sea otters and 34,000 birds to as many as 2800 sea otters and 250,000 sea birds. Several billion salmon and herring eggs are also believed to have been destroyed. [13]

If you've ever taken part in a community beach clean, you'll know that plastic is far and away the most common substance that washes up with the waves. There are three reasons for this: plastic is one of the most common materials, used for making virtually every kind of manufactured object from clothing to automobile parts; plastic is light and floats easily so it can travel enormous distances across the oceans; most plastics are not biodegradable (they do not break down naturally in the environment), which means that things like plastic bottle tops can survive in the marine environment for a long time. (A plastic bottle can survive an estimated 450 years in the ocean and plastic fishing line can last up to 600 years.)

While plastics are not toxic in quite the same way as poisonous chemicals, they nevertheless present a major hazard to seabirds, fish, and other marine creatures. For example, plastic fishing lines and other debris can strangle or choke fish. (This is sometimes called ghost fishing .) About half of all the world's seabird species are known to have eaten plastic residues. In one study of 450 shearwaters in the North Pacific, over 80 percent of the birds were found to contain plastic residues in their stomachs. In the early 1990s, marine scientist Tim Benton collected debris from a 2km (1.5 mile) length of beach in the remote Pitcairn islands in the South Pacific. His study recorded approximately a thousand pieces of garbage including 268 pieces of plastic, 71 plastic bottles, and two dolls heads. [14]

Alien species

Most people's idea of water pollution involves things like sewage, toxic metals, or oil slicks, but pollution can be biological as well as chemical. In some parts of the world, alien species are a major problem. Alien species (sometimes known as invasive species ) are animals or plants from one region that have been introduced into a different ecosystem where they do not belong. Outside their normal environment, they have no natural predators, so they rapidly run wild, crowding out the usual animals or plants that thrive there. Common examples of alien species include zebra mussels in the Great Lakes of the USA, which were carried there from Europe by ballast water (waste water flushed from ships ). The Mediterranean Sea has been invaded by a kind of alien algae called Caulerpa taxifolia . In the Black Sea, an alien jellyfish called Mnemiopsis leidyi reduced fish stocks by 90 percent after arriving in ballast water. In San Francisco Bay, Asian clams called Potamocorbula amurensis, also introduced by ballast water, have dramatically altered the ecosystem. In 1999, Cornell University's David Pimentel estimated that alien invaders like this cost the US economy $123 billion a year; in 2014, the European Commission put the cost to Europe at €12 billion a year and "growing all the time. [18]

Other forms of pollution

These are the most common forms of pollution—but by no means the only ones. Heat or thermal pollution from factories and power plants also causes problems in rivers. By raising the temperature, it reduces the amount of oxygen dissolved in the water, thus also reducing the level of aquatic life that the river can support. Another type of pollution involves the disruption of sediments (fine-grained powders) that flow from rivers into the sea. Dams built for hydroelectric power or water reservoirs can reduce the sediment flow. This reduces the formation of beaches, increases coastal erosion (the natural destruction of cliffs by the sea), and reduces the flow of nutrients from rivers into seas (potentially reducing coastal fish stocks). Increased sediments can also present a problem. During construction work, soil, rock, and other fine powders sometimes enters nearby rivers in large quantities, causing it to become turbid (muddy or silted). The extra sediment can block the gills of fish, effectively suffocating them. Construction firms often now take precautions to prevent this kind of pollution from happening.

What are the effects of water pollution?

Some people believe pollution is an inescapable result of human activity: they argue that if we want to have factories, cities, ships, cars, oil, and coastal resorts, some degree of pollution is almost certain to result. In other words, pollution is a necessary evil that people must put up with if they want to make progress. Fortunately, not everyone agrees with this view. One reason people have woken up to the problem of pollution is that it brings costs of its own that undermine any economic benefits that come about by polluting.

Take oil spills, for example. They can happen if tankers are too poorly built to survive accidents at sea. But the economic benefit of compromising on tanker quality brings an economic cost when an oil spill occurs. The oil can wash up on nearby beaches, devastate the ecosystem, and severely affect tourism. The main problem is that the people who bear the cost of the spill (typically a small coastal community) are not the people who caused the problem in the first place (the people who operate the tanker). Yet, arguably, everyone who puts gasoline (petrol) into their car—or uses almost any kind of petroleum-fueled transport—contributes to the problem in some way. So oil spills are a problem for everyone, not just people who live by the coast and tanker operates.

Sewage is another good example of how pollution can affect us all. Sewage discharged into coastal waters can wash up on beaches and cause a health hazard. People who bathe or surf in the water can fall ill if they swallow polluted water—yet sewage can have other harmful effects too: it can poison shellfish (such as cockles and mussels) that grow near the shore. People who eat poisoned shellfish risk suffering from an acute—and sometimes fatal—illness called paralytic shellfish poisoning. Shellfish is no longer caught along many shores because it is simply too polluted with sewage or toxic chemical wastes that have discharged from the land nearby.

Pollution matters because it harms the environment on which people depend. The environment is not something distant and separate from our lives. It's not a pretty shoreline hundreds of miles from our homes or a wilderness landscape that we see only on TV. The environment is everything that surrounds us that gives us life and health. Destroying the environment ultimately reduces the quality of our own lives—and that, most selfishly, is why pollution should matter to all of us.

How can we stop water pollution?

There is no easy way to solve water pollution; if there were, it wouldn't be so much of a problem. Broadly speaking, there are three different things that can help to tackle the problem—education, laws, and economics—and they work together as a team.

Making people aware of the problem is the first step to solving it. In the early 1990s, when surfers in Britain grew tired of catching illnesses from water polluted with sewage, they formed a group called Surfers Against Sewage to force governments and water companies to clean up their act. People who've grown tired of walking the world's polluted beaches often band together to organize community beach-cleaning sessions. Anglers who no longer catch so many fish have campaigned for tougher penalties against factories that pour pollution into our rivers. Greater public awareness can make a positive difference.

One of the biggest problems with water pollution is its transboundary nature. Many rivers cross countries, while seas span whole continents. Pollution discharged by factories in one country with poor environmental standards can cause problems in neighboring nations, even when they have tougher laws and higher standards. Environmental laws can make it tougher for people to pollute, but to be really effective they have to operate across national and international borders. This is why we have international laws governing the oceans, such as the 1982 UN Convention on the Law of the Sea (signed by over 120 nations), the 1972 London (Dumping) Convention , the 1978 MARPOL International Convention for the Prevention of Pollution from Ships , and the 1998 OSPAR Convention for the Protection of the Marine Environment of the North East Atlantic . The European Union has water-protection laws (known as directives) that apply to all of its member states. They include the 1976 Bathing Water Directive (updated 2006), which seeks to ensure the quality of the waters that people use for recreation. Most countries also have their own water pollution laws. In the United States, for example, there is the 1972 Clean Water Act and the 1974 Safe Drinking Water Act .

Most environmental experts agree that the best way to tackle pollution is through something called the polluter pays principle . This means that whoever causes pollution should have to pay to clean it up, one way or another. Polluter pays can operate in all kinds of ways. It could mean that tanker owners should have to take out insurance that covers the cost of oil spill cleanups, for example. It could also mean that shoppers should have to pay for their plastic grocery bags, as is now common in Ireland, to encourage recycling and minimize waste. Or it could mean that factories that use rivers must have their water inlet pipes downstream of their effluent outflow pipes, so if they cause pollution they themselves are the first people to suffer. Ultimately, the polluter pays principle is designed to deter people from polluting by making it less expensive for them to behave in an environmentally responsible way.

Our clean future

Life is ultimately about choices—and so is pollution. We can live with sewage-strewn beaches, dead rivers, and fish that are too poisonous to eat. Or we can work together to keep the environment clean so the plants, animals, and people who depend on it remain healthy. We can take individual action to help reduce water pollution, for example, by using environmentally friendly detergents , not pouring oil down drains, reducing pesticides, and so on. We can take community action too, by helping out on beach cleans or litter picks to keep our rivers and seas that little bit cleaner. And we can take action as countries and continents to pass laws that will make pollution harder and the world less polluted. Working together, we can make pollution less of a problem—and the world a better place.

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• Earth Matters by Lynn Dicks et al. Dorling Kindersley, 2008: A more general guide to problems Earth faces, with each major biome explored separately. In case you're interested, I contributed the polar regions chapter. The book is mostly a simple read and probably suitable for 7–10 (and maybe 9–12).

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Text copyright © Chris Woodford 2006, 2022. All rights reserved. Full copyright notice and terms of use .

This article was originally written for the UK Rivers Network and first published on their website in April 2006. It is revised and updated every year.

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Essay on Water Pollution

Here we have shared the Essay on Water Pollution in detail so you can use it in your exam or assignment of 150, 250, 400, 500, or 1000 words.

You can use this Essay on Water Pollution in any assignment or project whether you are in school (class 10th or 12th), college, or preparing for answer writing in competitive exams. 

Topics covered in this article.

Essay on Water Pollution in 150-250 words

Essay on water pollution in 300-400 words, essay on water pollution in 500-1000 words.

Water pollution is a pressing environmental issue that poses a significant threat to ecosystems and human health. It occurs when harmful substances, such as chemicals, industrial waste, or sewage, contaminate water bodies, including rivers, lakes, oceans, and groundwater sources.

Water pollution has devastating consequences on aquatic life. Toxic pollutants can disrupt the balance of ecosystems, leading to the decline of fish and other marine species. Additionally, contaminated water can spread diseases to animals and humans who depend on these water sources for drinking, irrigation, and recreation.

Industrial activities, improper waste disposal, agricultural runoff, and urbanization contribute to water pollution. Efforts to reduce water pollution include stricter regulations on waste disposal, the promotion of sustainable agricultural practices, and the development of advanced wastewater treatment technologies.

Awareness and individual responsibility are crucial in combating water pollution. Simple actions like properly disposing of waste, conserving water, and avoiding the use of harmful chemicals can make a significant difference. Education and advocacy are essential to raising public awareness about the importance of protecting water resources and implementing sustainable practices.

In conclusion, water pollution is a grave environmental issue that threatens aquatic ecosystems and human well-being. It is a global challenge that requires collective action and responsible behavior. By implementing effective regulations, adopting sustainable practices, and promoting awareness, we can safeguard our water resources and ensure a healthier and more sustainable future for all.

Title: Water Pollution – A Growing Threat to Ecosystems and Human Well-being

Introduction :

Water pollution is a grave environmental issue that arises from the contamination of water bodies by harmful substances. It poses a significant threat to aquatic ecosystems and human health. This essay explores the causes and consequences of water pollution, as well as the measures required to address and prevent it.

Causes of Water Pollution

Water pollution can be attributed to various human activities and natural factors. Industrial discharge, improper waste disposal, agricultural runoff, oil spills, sewage, and chemical pollutants are among the leading causes. Rapid urbanization, population growth, and inadequate infrastructure for waste management contribute to the problem. Additionally, natural phenomena like sedimentation and erosion can exacerbate water pollution.

Consequences of Water Pollution

Water pollution has far-reaching ecological and human health implications. Contaminated water disrupts aquatic ecosystems, leading to the decline of fish and other marine species. It affects biodiversity, disrupts food chains, and damages habitats. Moreover, polluted water sources pose significant health risks to humans. Consuming or coming into contact with contaminated water can lead to waterborne diseases, gastrointestinal issues, skin problems, and even long-term health impacts.

Prevention and Remediation

Addressing water pollution requires a multi-faceted approach. Stricter regulations and enforcement regarding industrial discharge and waste management are essential. Promoting sustainable agricultural practices, such as reducing the use of chemical fertilizers and implementing proper irrigation techniques, can minimize agricultural runoff. Developing and implementing advanced wastewater treatment technologies is crucial to ensure that domestic and industrial effluents are properly treated before being discharged into water bodies.

Individual and Collective Responsibility:

Preventing water pollution is a shared responsibility. Individuals can contribute by practicing responsible waste disposal, conserving water, and avoiding the use of harmful chemicals. Public awareness campaigns and education programs play a vital role in promoting responsible behavior and fostering a culture of environmental stewardship.

Conclusion :

Water pollution is a critical environmental issue that jeopardizes the health of ecosystems and humans. It demands collective action and responsible behavior. By addressing the root causes of water pollution, implementing effective regulations, and promoting individual and collective responsibility, we can safeguard water resources and ensure a sustainable future for generations to come.

Title: Water Pollution – A Looming Crisis Threatening Ecosystems and Human Well-being

Water pollution is a pressing environmental issue that poses a significant threat to ecosystems, biodiversity, and human health. It occurs when harmful substances contaminate water bodies, making them unfit for their intended uses. This essay delves into the causes, consequences, and potential solutions to water pollution, emphasizing the urgent need for collective action to address this global crisis.

Water pollution arises from various sources, both human-induced and natural. Human activities play a significant role in polluting water bodies. Industrial discharge, untreated sewage, agricultural runoff, oil spills, mining activities, and improper waste disposal are among the leading causes. Industrial wastewater often contains heavy metals, toxic chemicals, and organic pollutants, which can have devastating effects on aquatic ecosystems and human health. Agricultural runoff, laden with pesticides, fertilizers, and animal waste, contaminates water bodies and contributes to eutrophication, depleting oxygen levels and harming aquatic life.

The consequences of water pollution are far-reaching and encompass ecological, economic, and health impacts. Aquatic ecosystems bear the brunt of pollution, with devastating consequences for biodiversity and food chains. Pollutants disrupt aquatic habitats, decrease water quality, and lead to the decline of fish and other marine species. This ecological imbalance has ripple effects throughout the ecosystem, affecting the entire food web.

Water pollution also has severe implications for human health. Contaminated water sources pose significant risks, as they can transmit waterborne diseases, including cholera, typhoid, dysentery, and hepatitis. Communities that rely on polluted water for drinking, cooking, and bathing are particularly vulnerable. Prolonged exposure to polluted water can lead to various health issues, such as gastrointestinal problems, skin irritations, respiratory illnesses, and even long-term health effects like cancer.

Furthermore, water pollution has economic ramifications. Polluted water bodies reduce the availability of clean water for agriculture, industry, and domestic use. This leads to increased costs for water treatment, agricultural productivity losses, and economic disruptions in sectors that rely heavily on water resources, such as fisheries and tourism.

Solutions and Mitigation Strategies

Addressing water pollution requires comprehensive strategies and collaborative efforts. Governments, industries, communities, and individuals all have a role to play in mitigating pollution and safeguarding water resources.

a. Regulatory Measures

B. wastewater treatment, c. sustainable agriculture, d. waste management, e. education and awareness.

Effective regulations and enforcement mechanisms are essential to control and prevent water pollution. Governments should establish stringent standards for industrial effluents and enforce penalties for non-compliance. Laws should be enacted to ensure proper waste disposal and treatment practices. Additionally, zoning regulations can help prevent pollution by restricting industrial activities near sensitive water bodies.

Investing in advanced wastewater treatment infrastructure is crucial. Industries should implement appropriate treatment technologies to remove pollutants from their effluents before discharge. Municipalities must prioritize the treatment of domestic sewage to prevent contamination of water bodies. Developing countries, in particular, need support and resources to build and upgrade their wastewater treatment facilities.

Adopting sustainable agricultural practices can significantly reduce pollution from agricultural activities. Encouraging the use of organic farming methods, integrated pest management, and precision irrigation can minimize the reliance on harmful pesticides and fertilizers. Proper manure management and implementing buffer zones along water bodies can also mitigate nutrient runoff and protect water quality.

Improper waste disposal is a major contributor to water pollution. Implementing comprehensive waste management systems that include recycling, proper landfill management, and promotion of waste reduction strategies is crucial. Communities should have access to adequate waste collection services, and educational campaigns can raise awareness about the importance of responsible waste disposal.

Public education and awareness programs play a vital role in addressing water pollution. Promoting water conservation practices, encouraging responsible behavior, and highlighting the link between water pollution and human health can empower individuals to take action. Educational campaigns should target schools, communities, and industries to foster a culture of environmental stewardship.

Water pollution is a critical global issue that poses severe threats to ecosystems, biodiversity, and human well-being. It demands collective action and sustainable practices to safeguard water resources. Through stringent regulations, advanced wastewater treatment, sustainable agriculture, proper waste management, and education, we can mitigate water pollution and preserve this vital resource for future generations. By recognizing the urgency of this crisis and working collaboratively, we can ensure a healthier, cleaner, and more sustainable water future.

102 Water Pollution Essay Topic Ideas & Examples

Water pollution essays are an excellent way to demonstrate your awareness of the topic and your position on the solutions to the issue. To help you ease the writing process, we prepared some tips, essay topics, and research questions about water pollution.

🌎 Air and Water pollution: Essay Writing Tips

🏆 best water pollution essay topics & examples, 📌 remarkable air and water pollution research topics, 👍 good research topics about water pollution, ❓ research questions about water pollution.

Water’s ready availability in many locations makes it an easy choice for a variety of purposes, from cleaning to manufacturing to nuclear reactor cooling. However, many companies will then dump water, now mixed with waste, back into rivers or lakes without adequate cleaning, leading to significant environmental pollution.

However, there are other types of harm, such as noise pollution, which are less obvious but also dangerous to sea life. It is critical that you understand what you should and should not do during your writing process.

The stance that big manufacturing industries are the sole culprits of the damage done to the world’s rivers and oceans is a popular one. However, do not neglect the effects of other water pollution essay topics such as microorganisms.

Microbes can spread dangerous illnesses, making them a danger for both water inhabitants and the people who then use that water. Furthermore, they can eat up oxygen if left unchecked, starving fish and other water organisms and eventually making them die out.

Such situations usually result from agricultural practices, which can lead to powerful nutrients entering the water and enabling algae and other microorganisms to grow excessively. An overly lively environment can be as harmful as one where everything is threatened.

With that said, industrial manufacturers deserve much of the attention and blame they receive from various communities. Construction of dedicated waste-cleaning facilities is usually possible, but companies avoid doing so because the process will increase their costs.

You should advocate for green practices, but be mindful of the potential impact of a significant price increase on the global economy. Also, be sure to mention more exotic pollution variations in your types of water pollution essay.

Provide examples of noise pollution or suspended matter pollution to expand on the topic of the complexity of the harm humanity causes to the ecosphere.

You should show your understanding that there are many causes, and we should work on addressing all of them, a notion you should repeat in your water pollution essay conclusions.

However, you should try to avoid being sidetracked too much and focus on the titles of pollution and its immediate causes.

If you stretch far enough, you may connect the matter to topics such as the status of a woman in Islam. However, doing so contributes little to nothing to your point and deviates from the topic of ecology into social and religious studies.

Leave the search for connections to dedicated researchers and concentrate on discussing the major causes that are known nowadays. By doing this, you will be able to create an excellent and powerful work that will demonstrate your understanding of the topic.

Here are some tips for your writing:

• Be sure to discuss the different types of pollution that is caused by the same source separately. Surface and groundwater pollution are different in their effects and deserve separate discussions.
• Focus on the issues and not on solutions, as an essay does not provide enough space to discuss the latter in detail.
• Be sure to discuss the effects of pollution on people and other land inhabitants as well as on water creatures.

Check IvyPanda to get more water pollution essay titles, paper ideas, and other useful samples!

• Air and Water Pollution in the Modern World The high number of vehicles in the city has greatly promoted air pollution in the area. Poor sewerage system, high pollution from industries and automobiles are among the major causes of air and water pollutions […]
• Water Pollution: Causes, Effects and Possible Solutions This is why clean water is required in all the places to make sure the people and all the living creatures in the planet live a good and healthy life.
• Water Pollution: Causes, Effects, and Prevention Farmers should be encouraged to embrace this kind of farming which ensures that the manure used is biodegradable and do not end up accumulating in the water bodies once they are washed off by floods.
• Water Pollution in the Philippines: Metropolitan Manila Area In this brief economic analysis of water pollution in Metro Manila, it is proposed to look at the industrial use of waters and the household use to understand the impact that the population growth and […]
• Coca-Cola India and Water Pollution Issues The first difficulty that the representatives of the Coca-Cola Company happened to face due to their campaign in the territory of India was caused by the concerns of the local government.
• Cashion Water Quality: Spatial Distribution of Water Pollution Incidents This essay discusses the quality of water as per the report of 2021 obtained from the municipality, the quality issue and the source of pollution, and how the pollution impacts human health and the environment […]
• Water Pollution: OIL Spills Aspects The effects of the oil spill on a species of ducks called the Harlequin ducks were formulated and the author attempted to trace out the immediate and residual effects of the oil on the birds.
• Importance of Mercury Water Pollution Problem Solutions The severity of the mercury contamination consequences depends on the age of the person exposed to the contamination, the way of contamination, the health condition, and many other factors.
• Water Pollution as a Crime Against the Environment In particular, water pollution is a widespread crime against the environment, even though it is a severe felony that can result in harm to many people and vast territories.
• Newark Water Crisis: Water Pollution Problem The main problem was rooted in the fact that lead levels in the drinking water were highly elevated, which is dangerous and detrimental to the population’s health.
• Water Pollution in a Community: Mitigation Plan Though for the fact that planet earth is abundant with water and almost two-thirds of the planet is made up of water still it is viewed that in future years, a shortage of water may […]
• Food Distribution and Water Pollution Therefore, food distribution is one of the central reasons for water pollution. According to Greenpeace, one of the ways to improve the ecology of the planet is by creating healthy food markets.
• Water Pollution and Associated Health Risks The results of plenty of studies indicate the existence of the relation between the contamination of water by hazardous chemicals and the development of respiratory and cardiovascular diseases, cancer, asthma, allergies, as well as reproductive […]
• Lake Erie Water Pollution There are worries among the members of the community that the lake could be facing another episode of high toxicity, and they have called for the authorities to investigate the main causes of the pollution […]
• Storm Water Pollution Prevention Plan All players need to be trained in significant areas of business so as they can handle them with care and beware of the potential they have in causing damage.
• Water Pollution in the US: Causes and Control Although water pollution can hardly be ceased entirely, the current rates of water pollution can be reduced by resorting to the sustainable principle of water use in both the industrial area and the realm of […]
• Water Pollution and Management in the UAE The groundwater in UAE meets the needs of 51% of users in terms of quantity mainly for irrigation. Surface water is the source of groundwater and plays a major role in groundwater renewal.
• Water Pollution and Its Challenges Water pollution refers to a situation where impurities find way into water bodies such as rivers, lakes, and ground water. This is a form of pollution where impurities enter water bodies through distinct sources such […]
• Water Pollution Sources, Effects and Control Unfortunately, not all the users of water are responsible to ensure that proper disposal or treatment of the used water is done before the water is returned to the water bodies.
• Water in Crisis: Public Health Concerns in Africa In the 21st century, the world faces a crisis of contaminated water, which is the result of industrialization and is a major problem in developing countries.
• Air and Water Pollution Thus, it is classified as a primary pollutant because it is the most common pollutants in the environment. In the environment, the impact of carbon monoxide is felt overtime, since it leads to respiratory problems.
• Causes of Water Pollution and the Present Environmental Solution Prolonged pollution of water has even caused some plants to grow in the water, which pose danger to the living entities that have their inhabitants in the water.
• Water Pollution & Diseases (Undeveloped Nations) Restriction on movement and access to the affected area affects trade and the loss of human life and deteriorated health is a major blow on the economy and on the quality of human life.
• Water and Water Pollution in Point of Economics’ View This research tries to explain the importance of water especially in an economist’s perspective by explaining the uses of water in various fields, pollution of water and the agents of pollution.
• Environmental Justice Issues Affecting African Americans: Water Pollution Water pollution in the 1960s occurred due to poor sewage systems in the urban and rural areas. Unlike in the 1960s, there are reduced cases of water pollution today.
• Water Pollution and Wind Energy Chemical pollution of water is one of the leading causes of death of aquatic life. It is thus evident that chemical pollution of water not only has negative effects on health, but it also substantially […]
• Air and Water Pollution in Los Angeles One of the major problems facing major cities and towns in the world is pollution; wastes from firms and households are the major causes of pollution.
• Water Pollution Causes and Climate Impacts The biggest percentage of sewage waste consists of water, treating the wastes for recycling would help in maintaining a constant supply of water.
• Water Pollution Origins and Ways of Resolving The evidence provided by environmental agencies indicates that industrial agriculture is one of the factors that significantly contribute to the deterioration of water quality.
• Mud Lick Creek Project – Fresh Water Pollution This potential source of pollutants poses significant risks to the quality of water at the creek in terms altering the temperature, pH, dissolved oxygen, and the turbidity of the water.
• Water Pollution in the Jamaican Society
• Water Pollution and Abstraction and Economic Instruments
• Water Pollution and Individual Effects of Water Pollution
• Understanding What Causes Water Pollution
• An Analysis of Water Pollution as a Global Plague That Affects the People, Animals and Plants
• Water Pollution Through Urban and Rural Land Use and Freshwater Allocation in New Zealand
• Water Pollution: Globalization, One of the Causes and Part of the Solution
• Voluntary Incentives for Reducing Agricultural Nonpoint Source Water Pollution
• The Impact of Water Pollution on Public Health in Flint, Michigan
• Understanding Water Pollution and Its Causes
• The Promises and Pitfalls of Devolution: Water Pollution Policies in the American States
• We Must Fight Against Water Pollution
• Transaction Costs and Agricultural Nonpoint-Source Water Pollution Control Policies
• Water Pollution and Drinking Water Quality
• Water Pollution: An Insight into the Greatest Environmental Risk
• US Water Pollution Regulation over the Past Half Century: Burning Waters to Crystal Springs
• Environmental Impact and Health Risks of Water Pollution to a Child
• Water Pollution Environment Effects Chemicals
• The Negative Effects of Water Pollution on Fish Numbers in America
• The Problem of Oil Spills and Water Pollution in Alaska
• Water Pollution in the United State: The Causes and Effects
• California Water Pollution Act Clean Laws
• The Need to Immediately Stop Water Pollution in the United States
• Water Pollution, Causes, Effects and Prevention
• The Water Pollution Prevention in Oceanic Areas
• Water Pollution and the Biggest Environmental Issues Today
• Fresh Water Pollution Assignment
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• Water Pollution Caused by Industrial Equipment
• The Impacts of Water Pollution on Economic Development in Sudan
• The Importance of Recycling to Prevent Water Pollution
• Water Pollution and Its Effects on The Environment
• The Sources, Environmental Impact, and Control of Water Pollution
• Water Quality and Contamination of Water Pollution
• Water Pollution and the World’s Worst Forms of Pollution
• The Problem of Water Pollution and the Solutions
• Comparing Contrast Legislative Approach Controlling Water Pollution Industrial
• An Analysis of the Water Pollution and it’s Effects on the Environment
• Water Pollution and The Natural Environment
• The Importance of Clean Drinking Water Pollution
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• The Issue of Water Pollution in the Drinking Water in Brisbane
• What Are the Causes and Effects of Water Pollution?
• What Is the Effect of Water Pollution on Humanity?
• How Can Leaders Tackle with Water Pollution in China?
• What Is the Drinking Water Pollution Control Act?
• What Was the Social Water Pollution?
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• What Is Canada’s Water Pollution Dilemma?
• Water Pollution: Why Is There Trash in the Ocean?
• What Are the Problems Associated with Water Pollution?
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• How to Deal with the Big Problem of Deforestation and Water Pollution in Brazil and the Colombian Amazon?
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• What Is the Harmonizing Model with Transfer Tax on Water Pollution Across Regional Boundaries in China’s Lake Basin?
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• Chicago (A-D)
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Water Pollution And Its Control

Water is one of the most vital natural resources on earth and has been around for a long time. In fact, the same water which we drink has been around in one form or the other since the time of the dinosaurs.

The earth has more than two-thirds of its surface covered with water. This translates to just over 1 octillion litres (1,260,000,000,000,000,000,000 litres) of water distributed in the oceans, rivers, lakes and streams.

That is a lot of water, however, less than 0.3% is accessible for human consumption. As commercialization and industrialization have progressed, that number continues to dwindle down. Furthermore, inefficient and outdated practices, lack of awareness and a plethora of other circumstances have led to water pollution.

Also Read: How Can We Conserve Water?

• Water pollution
• Modern Epidemic

Minamata Incident

• Ganges River

What is Water Pollution?

Water pollution can be defined as the contamination of water bodies. Water pollution is caused when water bodies such as rivers, lakes, oceans, groundwater and aquifers get contaminated with industrial and agricultural effluents.

When water gets polluted, it adversely affects all lifeforms that directly or indirectly depend on this source. The effects of water contamination can be felt for years to come.

Also Refer:  Types of Pollution

Sources Of Water Pollution

The key causative of water pollution in India are:

• Urbanization.
• Deforestation.
• Industrial effluents.
• Social and Religious Practices.
• Use of Detergents and Fertilizers.
• Agricultural run-offs- Use of insecticides and pesticides.

Water Pollution – A Modern Epidemic

One of the primary causes of water pollution is the contamination of water bodies by toxic chemicals. As seen in the example mentioned above, the dumped plastic bottles, tins, water cans and other wastes pollute the water bodies. These result in water pollution, which harms not just humans, but the whole ecosystem. Toxins drained from these pollutants, travel up to the food chain and eventually affect humans. In most cases, the outcome is destructive to only the local population and species, but it can have an impact on a global scale too.

Nearly 6 billion kilograms of garbage is dumped every year in the oceans. Apart from industrial effluents and untreated sewage, other forms of unwanted materials are dumped into various water bodies. These can range from nuclear waste to oil spills – the latter of which can render vast areas uninhabitable.

Effects Of Water Pollution

The effect of water pollution depends upon the type of pollutants and their concentration. Also, the location of water bodies is an important factor to determine the levels of pollution.

• Water bodies in the vicinity of urban areas are extremely polluted. This is the result of dumping garbage and toxic chemicals by industrial and commercial establishments.
• Water pollution drastically affects aquatic life. It affects their metabolism, and behaviour, and causes illness and eventual death. Dioxin is a chemical that causes a lot of problems from reproduction to uncontrolled cell growth or cancer. This chemical is bioaccumulated in fish, chicken and meat. Chemicals such as this travel up the food chain before entering the human body.
• The effect of water pollution can have a huge impact on the food chain. It disrupts the food chain. Cadmium and lead are some toxic substances, these pollutants upon entering the food chain through animals (fish when consumed by animals, humans) can continue to disrupt at higher levels.
• Humans are affected by pollution and can contract diseases such as hepatitis through faecal matter in water sources. Poor drinking water treatment and unfit water can always cause an outbreak of infectious diseases such as cholera, etc.
• The ecosystem can be critically affected, modified and destructured because of water pollution.

The Minamata Incident marked one of the worst cases of water pollution

In 1932, a factory in Minamata City, Japan began dumping its industrial effluent – Methylmercury, into the surrounding bay and the sea. Methylmercury is incredibly toxic to humans and animals alike, causing a wide range of neurological disorders.

Its ill effects were not immediately noticeable. However, this all changed as methylmercury started to bioaccumulate inside shellfish and fish in Minamata Bay. These affected organisms were then caught and consumed by the local population. Soon, the ill effects of methylmercury were becoming apparent.

Initially, animals such as cats and dogs were affected by this. The city’s cats would often convulse and make strange noises before dying – hence, the term “dancing cat disease” was coined. Soon, the same symptoms were observed in people, though the cause was not apparent at the time.

Other affected people showed symptoms of acute mercury poisoning such as ataxia, muscle weakness, loss of motor coordination, damage to speech and hearing etc. In severe cases, paralysis occurred, which was followed by coma and death.  These diseases and deaths continued for almost 36 years before they could be officially acknowledged by the government and the organisation.

Since then, various control measures for water pollution have been adopted by the government of Japan to curb such environmental disasters in the future.

Pollution of the Ganges

Some rivers, lakes, and groundwater are rendered unfit for usage. In India, the River Ganges is the sixth most polluted river in the world. This is unsurprising as hundreds of industries nearby release their effluents into the river. Furthermore, religious activities such as burials and cremations near the shore contribute to pollution. Apart from the ecological implications, this river poses a serious health risks as it can cause diseases like typhoid and cholera.

Pollution of the Ganges is also driving some of the distinct fauna to extinction. The Ganges River shark is a critically endangered species that belong to the order Carcharhiniformes. The Ganges River dolphin is another  endangered species of dolphin that is found in the tributaries of the Ganges and Brahmaputra rivers.

As per a survey, by the end of 2026, around 4 billion people will face a shortage of water. Presently, around 1.2 billion people worldwide do not have access to clean, potable water and proper sanitation. It is also projected that nearly 1000 children die every year in India due to water-related issues. Groundwater is an important source of water, but unfortunately, even that is susceptible to pollution. Hence, water pollution is quite an important social issue that needs to be addressed promptly.

Control Measures of Water Pollution

Water pollution, to a larger extent, can be controlled by a variety of methods. Rather than releasing sewage waste into water bodies, it is better to treat them before discharge. Practising this can reduce the initial toxicity and the remaining substances can be degraded and rendered harmless by the water body itself. If the secondary treatment of water has been carried out, then this can be reused in sanitary systems and agricultural fields.

A very special plant, the Water Hyacinth can absorb dissolved toxic chemicals such as cadmium and other such elements. Establishing these in regions prone to such kinds of pollutants will reduce the adverse effects to a large extent.

Some chemical methods that help in the control of water pollution are precipitation, the ion exchange process, reverse osmosis , and coagulation. As an individual, reusing, reducing, and recycling wherever possible will advance a long way in overcoming the effects of water pollution.

Further Reading:

Frequently Asked Questions

What is sewage treatment.

Wastewater treatment or sewage treatment generally refers to the process of cleaning or removing all pollutants, treating wastewater and making it safe and suitable for drinking before releasing it into the environment.

What are the main steps in sewage treatment?

There are four main stages of the wastewater treatment process, namely:

• Stage 1: Screening
• Stage 2: Primary treatment
• Stage 3: Secondary treatment
• Stage 4: Final treatment

What are the main causes of water pollution?

The main causes of water pollution are attributed to

• Industrial activities
• Urbanization
• Religious and social practices
• Agricultural runoff
• Accidents (such as oil spills, nuclear fallouts etc)

What are the effects of water pollution?

Water pollution can have disastrous consequences on the ecosystem. Furthermore, toxic chemicals can travel through the food chain and get into our bodies, causing diseases and death.

To learn more about water pollution, causes, effects, preventive measures and other important environmental concerns (such as eutrophication), visit us at BYJU’S Biology.

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• School Education /

Essay on Water Pollution: Samples in 200, 500 Words

• Updated on  
• Mar 23, 2024

Essay on Water Pollution: Water pollution occurs when human activities introduce toxic substances into freshwater ecosystems such as lakes, rivers, oceans, and groundwater, leading to the degradation of water quality. The combination of harmful chemicals with water has a negative impact on these ecosystems. 

Various human actions, particularly those affecting land, water, and underwater surfaces, contribute to this pollution, disrupting the natural supply of clean water and posing a significant danger to all forms of life, including humans.

Table of Contents

• 1 What is Water Pollution?
• 2.1 Contaminants 
• 2.2 Solution 
• 3.1 Reasons for Water Pollution
• 3.2 Methods of Water Pollution Management
• 3.3 Real-Life Encounter

Also Read: Types of Water Pollution

What is Water Pollution?

When many pollutants such as garbage, chemicals, bacteria, household waste, industrial waste, etc get mixed in the water resources and make the water unfit for cooking, drinking, cleaning, etc. it is known as water pollution. Water pollution damages the quality of water. lakes, water streams, rivers, etc may become polluted and eventually they will pollute the oceans. All this will directly or indirectly affect the lives of us humans and the animals deteriorating our health.

Essay on Water Pollution in 200 Words

Water is plentiful on Earth, present both above and beneath its surface. A variety of water bodies, such as rivers, ponds, seas, and oceans, can be found on the planet’s surface. Despite Earth’s ability to naturally replenish its water, we are gradually depleting and mishandling this abundant resource. 

Although water covers 71% of the Earth’s surface and land constitutes the remaining 29%, the rapid expansion of water pollution is impacting both marine life and humans. 

Contaminants 

Water pollution stems significantly from city sewage and industrial waste discharge. Indirect sources of water pollution include contaminants that reach water supplies via soil, groundwater systems, and precipitation. 

Chemical pollutants pose a greater challenge in terms of removal compared to visible impurities, which can be filtered out through physical cleaning. The addition of chemicals alters water’s properties, rendering it unsafe and potentially lethal for consumption.

Solution 

Prioritizing water infrastructure enhancement is vital for sustainable water management, with a focus on water efficiency and conservation. 

Furthermore, rainwater harvesting and reuse serve as effective strategies to curb water pollution. Reclaimed wastewater and collected rainwater alleviate stress on groundwater and other natural water sources. 

Groundwater recharge, which transfers water from surface sources to groundwater, is a well-known approach to mitigate water scarcity. These measures collectively contribute to safeguarding the planet’s water resources for present and future generations.

Here is a list of Major Landforms of the Earth !

Essay on Water Pollution in 500 Words

The term “water pollution” is employed when human or natural factors lead to contamination of bodies of water, such as rivers, lakes, and oceans. Responsible management is now imperative to address this significant environmental concern. The primary sources of water contamination are human-related activities like urbanization, industrialization, deforestation, improper waste disposal, and the establishment of landfills.

Reasons for Water Pollution

The availability of freshwater on our planet is limited, and pollution only increases this scarcity. Every year, a substantial amount of fresh water is lost due to industrial and various other types of pollution. Pollutants encompass visible waste items of varying sizes as well as intangible, hazardous, and lethal compounds.

Numerous factories are situated in proximity to water bodies, utilizing freshwater to transport their waste. This industrial waste carries inherent toxicity, jeopardizing the well-being of both plant and animal life. Individuals living close to polluted water sources frequently suffer from skin problems, respiratory ailments, and occasionally even life-threatening health conditions.

Water contamination is also intensified by urban waste and sewage, adding to the problem. Each household generates considerable waste annually, including plastic, chemicals, wood, and other materials. Inadequate waste disposal methods result in this refusal to infiltrate aquatic ecosystems like rivers, lakes, and streams, leading to pollution.

Methods of Water Pollution Management

Raising awareness about the causes and consequences of water pollution is crucial in significantly reducing its prevalence. Encouraging community or organizational clean-up initiatives on a weekly or monthly basis plays a pivotal role. 

To eradicate water contamination completely, stringent legislation needs to be formulated and diligently enforced. Rigorous oversight would promote accountability, potentially deterring individuals and groups from polluting. Each individual should recognize the impact of their daily actions and take steps to contribute to a better world for generations to come.

Real-Life Encounter

My affection for my town has always been heightened by its abundant lakes, rivers, and forests. During one of my walks alongside the river that flowed through my village, I was struck by the unusual hues swirling within the water. The once-familiar crystal-clear blue had been replaced by a murky brown shade, accompanied by a potent, unpleasant odour. Intrigued, I decided to investigate further, descending to the riverbank for a closer look at the source of the peculiar colours and smells. Upon closer inspection, I observed peculiar foam bubbles floating on the water’s surface.

Suddenly, a commotion behind me caught my attention, and I turned to witness a group of people hastening toward the river. Their frantic shouts and vigorous gestures conveyed their panic, prompting me to realize that a grave situation was unfolding. As the group reached the river, they were confronted with the distressing sight of numerous lifeless fish floating on the water’s surface. 

Following a comprehensive investigation, it was revealed that a local factory had been releasing toxic chemicals into the river, resulting in extensive pollution and the devastation of the ecosystem. This investigation left me stunned and disheartened, acknowledging the significant effort required to restore the river to its own form.

Related Reads:-     

A. Water pollution refers to the contamination of water bodies, such as rivers, lakes, oceans, and groundwater, due to the introduction of harmful substances. These substances can include chemicals, industrial waste, sewage, and pollutants that adversely affect the quality of water, making it unsafe for human consumption and harmful to aquatic life.

A. The primary sources of water pollution include city sewage and industrial waste discharge. Chemical contaminants from factories and agricultural runoff, as well as oil spills and plastic waste, contribute significantly to water pollution. Runoff from paved surfaces and improper waste disposal also play a role in introducing pollutants into water bodies.

A. Water pollution has far-reaching consequences. It poses a threat to aquatic ecosystems by harming marine life, disrupting food chains, and damaging habitats. Additionally, contaminated water can lead to the spread of waterborne diseases among humans. Toxic chemicals in polluted water can cause serious health issues, affecting the skin, and respiratory systems, and even leading to long-term illnesses. 

This brings us to the end of our blog on Essay on Water Pollution. Hope you find this information useful. For more information on such informative topics for your school, visit our  essay writing  and follow  Leverage Edu

Aditi Gupta

A bachelors in Journalism and Mass Communication graduate, I am an enthusiastic writer. I love to write about impactful content which can help others. I love to binge watch and listen to music during my free time.

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• Water and Water Pollution

We already know that Water is the most important resource on the planet . It is the essence of all life on earth. And yet if you ever see a river or lake around your city, it would be evident to you that we are facing a very serious problem of Water pollution. Let us educate ourselves about water and water pollution.

Suggested Videos

Water and Water Cycle

Two-thirds of the Earths surface is covered by water, seventy-six perfect of your body is made up of water. As you already know water is everywhere and all around.  However, we have a fixed amount of water on earth. It just changes its states and goes through a cyclic order, known as the Water Cycle .

As shown in the image above, the water cycle is a natural process that is continuous in nature. It is the pattern in which the water from oceans, seas, lakes etc gets evaporated and turns to vapour. After which it goes through the process of condensation, and finally precipitation when it falls back to earth as rain or snow.

You can download Water – Natural Resources Cheat Sheet by clicking on the download button below

Browse more Topics under Natural Resources

• Air and Air Pollution
• Mineral riches in the soil
• Biogeochemical Cycle and its role

What is Water Pollution?

Water pollution is the contamination of water bodies (like oceans, seas, lakes, rivers, aquifers, and groundwater ) usually caused due to human activities. Water pollution is any change in the physical, chemical or biological properties of water that will have a detrimental consequence of any living organism .

Drinking water, also called Potable Water, is the water that is considered safe enough for human and animal consumption. This is water that is generally used for drinking, cooking, washing, crop irrigation , etc. These days chemicals, bacteria , and other pollutants are even affecting our drinking water .

Learn more about Air and Air Pollution here .

Sources of Water Pollution

Some of the most commonly occurring water pollutants are

• Domestic Waste
• Industrial effluents
• Insecticides and pesticides
• Detergents and Fertilizers

Some of the water pollution that is caused is by Direct Sources , such as factories, waste management facilities. refineries etc, that directly release waste and harmful by-products into the nearest water source without treating them. Indirect sources include pollutants that enter the water bodies via groundwater or soil or via the atmosphere as acid rain.

Effects of Pollution of Water

• Diseases: In humans, drinking or consuming polluted water in any way has many disastrous effects on our health. It causes typhoid, cholera, hepatitis and various other diseases.
• Destruction of Ecosystems: Ecosystems are extremely dynamic and respond to even small changes in the environment. Water pollution can cause an entire ecosystem to collapse if left unchecked.
• Eutrophication: Chemicals in a water body, encourage the growth of algae . These algae form a layer on top of the pond or lake. Bacteria feed on this algae and this decreases the amount of oxygen in the water body, severely affecting the aquatic life there.
• Effects the food chain: Disruption in food chains happens when toxins and pollutants in the water are consumed by aquatic animals (fish, shellfish etc) which are then consumed by humans.

The best way to prevent large-scale water pollution is to try and reduce its harmful effects. There are various small changes we can make to protect ourselves from a scary future where water is scarce.

• Save Water: Conserving water is our first aim. Water wastage is a major problem globally and we are only now waking up to the issue. Simply small changes you can make domestically will make a huge difference.
• Better treatment of sewage: So treating waste products before disposing of it in a water body helps reduce water pollution on a large scale. Agriculture or other industries can reuse this wastewater by reducing its toxic contents.
• Use environmentally friendly products: By using soluble products that do not go on to become pollutants, we can reduce the amount of water pollution caused by a household.

Solved Example for You

Q: What is thermal water pollution?

• Colour of the water is changed
• A change in Water pressure
• Change in temperature of water
• pH of water changes

Solution: The correct answer is “c”. Thermal pollution is the rise and fall in the temperature of a natural body of water caused by human influence. And Thermal pollution, unlike chemical pollution, results in a change in the physical properties of water.

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Natural Resources

• Mineral Riches in the Soil
• Biogeochemical Cycles

2 responses to “Air and Air Pollution”

is it possible to get the authors name and the date this was published? I need this for a paper.

Hi Josh, it was published on 19th January 2018 by Preksha Thakkar from Toppr.

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Water Pollution

Water Pollution introduces students to the causes and effects of pollution in the water. Students will discover ways to prevent water pollution as well. The activity worksheet in particular will help them solidify their understanding of why pollution is bad and help them explain to others why they should likewise help keep the water clean.

There are several suggestions listed in the “Options for Lesson” section that you can take advantage of in your lesson. One such suggestion is to invite a guest speaker from the water company or a sewage plant to come speak with the students.

Description

Additional information, what our water pollution lesson plan includes.

Lesson Objectives and Overview: Water Pollution explores the negative effects of pollutants in our water sources. Students will discover some causes and effects of water pollution, as well as some ways to prevent it. By the end of the lesson, they should understand why it is important to keep the world’s H 2 O sources clean. This lesson is for students in 3rd grade and 4th grade.

Classroom Procedure

Every lesson plan provides you with a classroom procedure page that outlines a step-by-step guide to follow. You do not have to follow the guide exactly. The guide helps you organize the lesson and details when to hand out worksheets. It also lists information in the yellow box that you might find useful. You will find the lesson objectives, state standards, and number of class sessions the lesson should take to complete in this area. In addition, it describes the supplies you will need as well as what and how you need to prepare beforehand. In addition to the handouts, this lesson requires colored pencils or markers, construction paper or poster boards, and scratch paper. You will also need to ensure students have internet access for researching purposes.

Options for Lesson

There are a number of suggestions in the “Options for Lesson” section of additional activities and tasks that you could incorporate into the lesson plan. One suggestion is to invite a guest speaker from the water company or a sewage plant to speak with the class and answer their questions. Another idea is to obtain a local or state map that shows various bodies of water and their sources. You could also use pH strips or some other kind of testing kit to test the quality of water samples that you gather from different sources. One last idea is to introduce students to developing countries that have problems with clean water and describe some solutions that people could use to filter it better.

Teacher Notes

This page provides an extra paragraph of information or guidance as you prepare the lesson. It stresses how important it is that students understand the effects of water pollution and points out that they could face these issues in their lives. Use the blank lines to write down any other ideas or thoughts you might have regarding the lesson material.

WATER POLLUTION LESSON PLAN CONTENT PAGES

The Water Pollution lesson plan contains four pages of content. The first page provides students with some background information on what pollution is and why it is bad. All living organisms need food, oxygen, and water to survive. The main source of oxygen for humans is the air. If that air is not clean, however, it can cause health issues. People with asthma, for instance, have a hard time breathing when the air is dirty. In some countries, the air quality is bad enough that people have to cover their noses and mouths with a mask.

The reason behind dirty air has to do with pollution. Pollution includes substances in the environment that are harmful or dangerous for living things. Besides the air, it can also affect water and the land in general. Different types of pollution include air, noise, land, and light. Some of these cause only minor issues, but others can lead to serious problems for all living things. One of the worst kinds is water pollution. Because water is a necessity of life for all living organisms, polluted water causes a lot of issues in the world.

Students will discover that the human body is about 70% water, which is why drinking water regularly is good for their health. The water we consume needs to be clean. Even for plants, if the water is unclean, the plants will die or become unhealthy to eat. Water makes up 70% of the Earth’s surface, most of which is found in the oceans. Ocean water is salty, so it’s not safe to drink. Only 1% of the water on Earth is fresh water, which we find in lakes, rivers, streams, and reservoirs. If these sources become polluted and dirty, there is even less safe drinking water.

Sadly, humans are the cause of much of the water pollution that exists. Polluted water is simply unsafe to drink. While humans should not drink salt water either, pollution in oceans is still bad. Humans may not be able to survive by drinking salt water, but the living organisms in the oceans can and do. Pollution is also bad for oceans because it can cause problems for all the aquatic life living in them.

When different particles, chemicals, and other substances cause water to become unsafe, the water becomes polluted. Sometimes those pollutants flow directly into the water from a factory. Other times, it flows indirectly from rainwater that mixes with farm chemicals or from construction sites or other places that release unsafe chemicals. All rainwater eventually seeps into the ground and flows into rivers, lakes, or streams. So if rainwater is polluted, the pollution will eventually affect the freshwater sources.

In some countries, unsafe drinking water is the leading cause of death. There are places in the world where people drink bad water because they have no other choice. They need water to survive. The pollution can happen naturally due to volcanoes, excessive algae, or silt from storms and floods. However, humans often contribute to the problem even more. Human causes include sewage, pesticides and fertilizers, chemicals, and trash.

Types of Pollution

The lesson lists eight types of water pollution: nutrients, surface water, oxygen depleting, ground water, microbiological, suspended matter, chemical water, and oil spillage. Nutrients pollution occurs when excessive algae and plant growth that takes place in water bodies release too many nutrients into the water. Too much algae, for instance, takes away the oxygen from the water, which means other organisms may die.

Similarly, oxygen depleting is when decaying matter is released into water, leading to more microorganisms that use up the oxygen. Some of these organisms even produce harmful chemicals that can kill other living things. Microbiological pollution happens when many people drink water directly from rivers or streams without first treating the water. The natural pollution in this water can cause illness to humans and other animals.

Suspended matter is when some pollutants do not dissolve in the water and instead sink to the bottom, killing organisms that live there. Chemical water pollution occurs when the chemicals people use end up in the water. It also includes metals and solvents from factories that are poisonous to aquatic life, which slows their growth, makes them infertile, or kills them.

Prevention Methods

Students will learn several ways that they can help prevent water pollution or assist in cleaning up polluted waters. Though some pollution is not possible to prevent, there are ways to help keep water clean. One of the first things we can do is inform others about the effects of polluted water and explain why keeping water clean is essential to survival.

The lesson lists several facts students could share with others to inform them of the issue. Around 14 billion pounds of mostly plastic garbage ends up in the water every single year. In the United States alone, 1.2 trillion gallons of sewage is dumped into the water each year. Nearly 90% of wastewater flows untreated into lakes, rivers, and coastal areas. Over 3 million children under the age of five die every year because of diseases caused by drinking polluted water and poor sanitation. Nearly 1 billion people in the world don’t even have access to clean water sources.

Students can then read through five suggestions of things they can do to prevent polluting water themselves. They can first reduce the amount of water they use when doing things like taking showers or brushing their teeth. They should also not dump paints, oils, medicines, or chemicals down the drain or into the toilet. Another suggestion is to encourage their parents to buy cleaning supplies that are eco-friendly. One other great option is to plant more trees and flowers.

WATER POLLUTION LESSON PLAN WORKSHEETS

The Water Pollution lesson plan includes three worksheets: an activity worksheet, a practice worksheet, and a homework assignment. Each one will help reinforce students’ comprehension of the lesson material. The guidelines on the classroom procedure page outlines when you give your students each handout.

PREVENTION POSTERS ACTIVITY WORKSHEET

Students will work with a partner for the activity. Using the supplies you provide, they will create a poster that encourages people to prevent water pollution. They will need to be creative and use words, images, logo, and slogans to demonstrate why this is important. In addition to a catchy title and the images and slogans, they should include facts that relate to the concept of preventing pollution. After they complete their poster, they will respond to three questions at the bottom of the worksheet.

MULTIPLE CHOICE PRACTICE WORKSHEET

For the practice worksheet, students will answer 10 questions. You can choose whether or not students can use the content pages for reference when they need help. This worksheet could also work well as a quiz if you want to test students on their level of comprehension.

WATER POLLUTION HOMEWORK ASSIGNMENT

The homework assignment has two sections. The first section contains 12 statements. Students must match the type of pollution from the word bank to the statements. They will use some terms more than once. The second section requires students to fill in the blanks in eight sentences. There is no work bank for this section, so students will need to remember what they learned during the lesson. However, like the practice worksheet, you may choose to allow them to use the content pages for help if they need it.

Worksheet Answer Keys

The last two pages of the lesson plan document are answer keys for the practice and homework worksheets. The answers are all in red to make it easy for you to compare to students’ responses. Because there are no open-ended or opinion-based prompts, students’ answers should mirror those on these pages. If you choose to administer the lesson pages to your students via PDF, you will need to save a new file that omits these pages. Otherwise, you can simply print out the applicable pages and keep these as reference for yourself when grading assignments.

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Great Resource!

I have to cover water pollution and it's not really covered in our textbook. I found this resource during a quick Google search and I am really happy with it! I printed everything out and scanned the reading portion to create a Google Classroom assignment, that I posted along with the links to to associated Learn Bright videos. Thanks for such a thorough and engaging resource!

Good experience!

I love using this site for my lessons. It helps me a lot not only for having those information from the text but also it can give us more ideas on how to teach some particular topics.

Water pollution

This was a well written lesson that went smoothly into the rest of the unit.

I just wish you might have some kid books that you would recommend to go along with this lesson. It's hard to do the internet here where we live so checking the online sources isn't really an option for us. Other than that my child enjoyed learning about all the ways water gets polluted.

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Water Pollution Essay

Water is a necessity for all life forms present on this planet. Animals need water to quench their thirst, plants need water to draw nutrients from the soil and keep nourished, and people need water for a variety of activities like drinking, cooking, cleaning, and washing, to mention a few. Even though water is so important to us, there are many practices which humans follow which are making fresh water scarce. Water pollution is when the substances that make the water contaminate the sources of the water. Chemicals, garbage, bacteria, and parasites are examples of pollutants. Eventually, every kind of pollution finds its way into the water. Here are a few sample essays on "water pollution".

100 Words Essay On Water Pollution

Water is necessary for our survival and to live a healthy and happy life. Everyone is familiar with the picture of people living in misery in nations without access to water, such as Africa. It's time for everyone to wake up and understand how important water conservation is. Human species couldn't survive in a world without water. All plants and animals fall under this same category. In fact, without water, the entire planet will suffer. Water bodies, including lakes, rivers, seas, oceans, and groundwater, have all been contaminated. Water bodies become contaminated when waste from homes, factories, and other buildings enters them.

As stated, water pollution is a severe issue that can be catastrophic for all living beings, including humans, plants and animals. We must comprehend the value of water in our life and the need to preserve it. There are numerous easy ways to prevent water waste, including taking shorter showers, watering plants with RO waste, cleaning cars with a wet cloth rather than a hose, etc. To gather rainwater, we must also employ the rainwater harvesting technique. In this way, we can conserve water.

200 Words Essay On Water Pollution

On Earth, water is abundant. Both above and below the surface of the Earth, it exists. Rivers, ponds, seas, and oceans are just a few of the water bodies found on the surface of the Earth. Even though our world can replenish its own water, over time, we are destroying and abusing the abundance of water present. Even though 70% of the surface of the Earth is covered by water and 30% by land, the rapidly expanding water contamination impacts marine life and humans. Everyone is beginning to be concerned about the uneven distribution of water on Earth and the rising demand for it due to the growing population.

Contaminants | City sewage and commercial waste discharge are two of the most harmful factors contributing to water contamination. Contaminants that reach the water supply through soils or groundwater systems, as well as through rain, are examples of indirect sources of water pollution. The chemical contaminants are more dangerous and challenging to remove from a water body than the visible impurities, which can be easily eliminated by physical cleaning or filtering. Water's characteristics are altered when chemicals are added, making it dangerous to use and perhaps lethal.

Solution | To prevent water pollution, there are several steps we, as citizens and the government, can take. Since water efficiency and conservation are essential elements of sustainable water management, enhancing water infrastructure must be prioritised. Intelligent irrigation systems and solar desalination are excellent examples of clean technology for managing and conserving water.

Also, Rainwater harvesting and reusing is an excellent method to prevent water pollution. Groundwater and other natural water sources can be under less stress because of reclaimed wastewater and rainwater gathering. It is common knowledge that one way to avoid water scarcity is through groundwater recharge, which enables water to move from surface water to groundwater.

500 Words Essay On Water Pollution

Although water is essential to every living thing on the planet, Humans still indulge in activities that make water a scarce resource. When a body of water—such as a river, lake, ocean, etc.—becomes polluted due to human activity or a natural source, the term "water pollution" is used. Water contamination is now a significant environmental issue that requires responsible management. Water contamination is caused primarily due to human activities such as urbanisation, industrialisation, deforestation, trash dumping, and landfills.

Causes Of Water Pollution

On the earth, fresh water is extremely limited, and pollution is making it much more so. We lose millions of litres of fresh water each year to industrial pollution and other forms of pollution. Pollutants include both large and small items of obvious trash as well as intangible, dangerous, and deadly compounds.

Many factories are located close to water sources, and they transport their waste there using fresh water. This industrial waste is poisonous by nature and endangers both the flora and fauna's health. People close to polluted water bodies have been seen to have significant skin, respiratory, and occasionally even life-threatening health illnesses.

Urban garbage and sewage are other significant contributors to water contamination. Each household generates tons of waste annually, including plastic, wood, chemicals, and other substances. This trash reaches our aquatic bodies, such as rivers, lakes, and streams, and pollutes them without an effective waste disposal system.

How To Manage Water Pollution

By educating people about the causes and impacts of water pollution on life and the environment, water pollution might be significantly reduced. People need to participate in cleanup initiatives when a community or organisation cleans up the waterways every week or at least once a month. To completely eradicate water contamination, strict legislation must also be created and adequately enforced. Strict oversight will increase accountability and may deter individuals and groups from polluting. We should all be aware of our daily activities and take measures to help the world become a better place for future generations.

Real-Life Experience

I have always loved my town as it has many lakes, rivers, and forests. One day, as I walked along the river that ran through my village, I couldn't help but notice the strange colours swirling in the water. It wasn't the crystal clear blue that I was used to seeing. Instead, the water was a murky brown, and there was a strong, foul smell emitting from it. Curious, I decided to investigate further. I made my way down to the riverbank and peered into the water, trying to get a closer look at what was causing the strange colours and smells. As I looked more closely, I saw that strange foam bubbles were floating on the surface of the water.

Suddenly, I heard a noise behind me and turned to see a group of people rushing towards the river. They were shouting and waving their arms, and I could see the panic on their faces. I quickly realised that something was very wrong. As the group reached the river, they saw that the water was teeming with dead fish floating belly up on the surface. The smell of rotten fish was overpowering, and it was clear that something had seriously polluted the river.

After a thorough investigation, it was determined that a local factory had been releasing toxic chemicals into the river, causing widespread pollution and destruction of the ecosystem. I was shocked and saddened by this discovery, and I knew it would take a lot of work to clean up the river and restore it to its former glory.

Explore Career Options (By Industry)

• Construction
• Entertainment
• Manufacturing
• Information Technology

Data Administrator

Database professionals use software to store and organise data such as financial information, and customer shipping records. Individuals who opt for a career as data administrators ensure that data is available for users and secured from unauthorised sales. DB administrators may work in various types of industries. It may involve computer systems design, service firms, insurance companies, banks and hospitals.

Bio Medical Engineer

The field of biomedical engineering opens up a universe of expert chances. An Individual in the biomedical engineering career path work in the field of engineering as well as medicine, in order to find out solutions to common problems of the two fields. The biomedical engineering job opportunities are to collaborate with doctors and researchers to develop medical systems, equipment, or devices that can solve clinical problems. Here we will be discussing jobs after biomedical engineering, how to get a job in biomedical engineering, biomedical engineering scope, and salary. 

Ethical Hacker

A career as ethical hacker involves various challenges and provides lucrative opportunities in the digital era where every giant business and startup owns its cyberspace on the world wide web. Individuals in the ethical hacker career path try to find the vulnerabilities in the cyber system to get its authority. If he or she succeeds in it then he or she gets its illegal authority. Individuals in the ethical hacker career path then steal information or delete the file that could affect the business, functioning, or services of the organization.

GIS officer work on various GIS software to conduct a study and gather spatial and non-spatial information. GIS experts update the GIS data and maintain it. The databases include aerial or satellite imagery, latitudinal and longitudinal coordinates, and manually digitized images of maps. In a career as GIS expert, one is responsible for creating online and mobile maps.

Data Analyst

The invention of the database has given fresh breath to the people involved in the data analytics career path. Analysis refers to splitting up a whole into its individual components for individual analysis. Data analysis is a method through which raw data are processed and transformed into information that would be beneficial for user strategic thinking.

Data are collected and examined to respond to questions, evaluate hypotheses or contradict theories. It is a tool for analyzing, transforming, modeling, and arranging data with useful knowledge, to assist in decision-making and methods, encompassing various strategies, and is used in different fields of business, research, and social science.

Geothermal Engineer

Individuals who opt for a career as geothermal engineers are the professionals involved in the processing of geothermal energy. The responsibilities of geothermal engineers may vary depending on the workplace location. Those who work in fields design facilities to process and distribute geothermal energy. They oversee the functioning of machinery used in the field.

Database Architect

If you are intrigued by the programming world and are interested in developing communications networks then a career as database architect may be a good option for you. Data architect roles and responsibilities include building design models for data communication networks. Wide Area Networks (WANs), local area networks (LANs), and intranets are included in the database networks. It is expected that database architects will have in-depth knowledge of a company's business to develop a network to fulfil the requirements of the organisation. Stay tuned as we look at the larger picture and give you more information on what is db architecture, why you should pursue database architecture, what to expect from such a degree and what your job opportunities will be after graduation. Here, we will be discussing how to become a data architect. Students can visit NIT Trichy , IIT Kharagpur , JMI New Delhi . 

Remote Sensing Technician

Individuals who opt for a career as a remote sensing technician possess unique personalities. Remote sensing analysts seem to be rational human beings, they are strong, independent, persistent, sincere, realistic and resourceful. Some of them are analytical as well, which means they are intelligent, introspective and inquisitive. 

Remote sensing scientists use remote sensing technology to support scientists in fields such as community planning, flight planning or the management of natural resources. Analysing data collected from aircraft, satellites or ground-based platforms using statistical analysis software, image analysis software or Geographic Information Systems (GIS) is a significant part of their work. Do you want to learn how to become remote sensing technician? There's no need to be concerned; we've devised a simple remote sensing technician career path for you. Scroll through the pages and read.

Budget Analyst

Budget analysis, in a nutshell, entails thoroughly analyzing the details of a financial budget. The budget analysis aims to better understand and manage revenue. Budget analysts assist in the achievement of financial targets, the preservation of profitability, and the pursuit of long-term growth for a business. Budget analysts generally have a bachelor's degree in accounting, finance, economics, or a closely related field. Knowledge of Financial Management is of prime importance in this career.

Underwriter

An underwriter is a person who assesses and evaluates the risk of insurance in his or her field like mortgage, loan, health policy, investment, and so on and so forth. The underwriter career path does involve risks as analysing the risks means finding out if there is a way for the insurance underwriter jobs to recover the money from its clients. If the risk turns out to be too much for the company then in the future it is an underwriter who will be held accountable for it. Therefore, one must carry out his or her job with a lot of attention and diligence.

Finance Executive

Product manager.

A Product Manager is a professional responsible for product planning and marketing. He or she manages the product throughout the Product Life Cycle, gathering and prioritising the product. A product manager job description includes defining the product vision and working closely with team members of other departments to deliver winning products.  

Operations Manager

Individuals in the operations manager jobs are responsible for ensuring the efficiency of each department to acquire its optimal goal. They plan the use of resources and distribution of materials. The operations manager's job description includes managing budgets, negotiating contracts, and performing administrative tasks.

Stock Analyst

Individuals who opt for a career as a stock analyst examine the company's investments makes decisions and keep track of financial securities. The nature of such investments will differ from one business to the next. Individuals in the stock analyst career use data mining to forecast a company's profits and revenues, advise clients on whether to buy or sell, participate in seminars, and discussing financial matters with executives and evaluate annual reports.

A Researcher is a professional who is responsible for collecting data and information by reviewing the literature and conducting experiments and surveys. He or she uses various methodological processes to provide accurate data and information that is utilised by academicians and other industry professionals. Here, we will discuss what is a researcher, the researcher's salary, types of researchers.

Welding Engineer

Welding Engineer Job Description: A Welding Engineer work involves managing welding projects and supervising welding teams. He or she is responsible for reviewing welding procedures, processes and documentation. A career as Welding Engineer involves conducting failure analyses and causes on welding issues. 

Transportation Planner

A career as Transportation Planner requires technical application of science and technology in engineering, particularly the concepts, equipment and technologies involved in the production of products and services. In fields like land use, infrastructure review, ecological standards and street design, he or she considers issues of health, environment and performance. A Transportation Planner assigns resources for implementing and designing programmes. He or she is responsible for assessing needs, preparing plans and forecasts and compliance with regulations.

Environmental Engineer

Individuals who opt for a career as an environmental engineer are construction professionals who utilise the skills and knowledge of biology, soil science, chemistry and the concept of engineering to design and develop projects that serve as solutions to various environmental problems. 

Safety Manager

A Safety Manager is a professional responsible for employee’s safety at work. He or she plans, implements and oversees the company’s employee safety. A Safety Manager ensures compliance and adherence to Occupational Health and Safety (OHS) guidelines.

Conservation Architect

A Conservation Architect is a professional responsible for conserving and restoring buildings or monuments having a historic value. He or she applies techniques to document and stabilise the object’s state without any further damage. A Conservation Architect restores the monuments and heritage buildings to bring them back to their original state.

Structural Engineer

A Structural Engineer designs buildings, bridges, and other related structures. He or she analyzes the structures and makes sure the structures are strong enough to be used by the people. A career as a Structural Engineer requires working in the construction process. It comes under the civil engineering discipline. A Structure Engineer creates structural models with the help of computer-aided design software. 

Highway Engineer

Highway Engineer Job Description:  A Highway Engineer is a civil engineer who specialises in planning and building thousands of miles of roads that support connectivity and allow transportation across the country. He or she ensures that traffic management schemes are effectively planned concerning economic sustainability and successful implementation.

Field Surveyor

Are you searching for a Field Surveyor Job Description? A Field Surveyor is a professional responsible for conducting field surveys for various places or geographical conditions. He or she collects the required data and information as per the instructions given by senior officials. 

Orthotist and Prosthetist

Orthotists and Prosthetists are professionals who provide aid to patients with disabilities. They fix them to artificial limbs (prosthetics) and help them to regain stability. There are times when people lose their limbs in an accident. In some other occasions, they are born without a limb or orthopaedic impairment. Orthotists and prosthetists play a crucial role in their lives with fixing them to assistive devices and provide mobility.

Pathologist

A career in pathology in India is filled with several responsibilities as it is a medical branch and affects human lives. The demand for pathologists has been increasing over the past few years as people are getting more aware of different diseases. Not only that, but an increase in population and lifestyle changes have also contributed to the increase in a pathologist’s demand. The pathology careers provide an extremely huge number of opportunities and if you want to be a part of the medical field you can consider being a pathologist. If you want to know more about a career in pathology in India then continue reading this article.

Veterinary Doctor

Speech therapist, gynaecologist.

Gynaecology can be defined as the study of the female body. The job outlook for gynaecology is excellent since there is evergreen demand for one because of their responsibility of dealing with not only women’s health but also fertility and pregnancy issues. Although most women prefer to have a women obstetrician gynaecologist as their doctor, men also explore a career as a gynaecologist and there are ample amounts of male doctors in the field who are gynaecologists and aid women during delivery and childbirth. 

Audiologist

The audiologist career involves audiology professionals who are responsible to treat hearing loss and proactively preventing the relevant damage. Individuals who opt for a career as an audiologist use various testing strategies with the aim to determine if someone has a normal sensitivity to sounds or not. After the identification of hearing loss, a hearing doctor is required to determine which sections of the hearing are affected, to what extent they are affected, and where the wound causing the hearing loss is found. As soon as the hearing loss is identified, the patients are provided with recommendations for interventions and rehabilitation such as hearing aids, cochlear implants, and appropriate medical referrals. While audiology is a branch of science that studies and researches hearing, balance, and related disorders.

An oncologist is a specialised doctor responsible for providing medical care to patients diagnosed with cancer. He or she uses several therapies to control the cancer and its effect on the human body such as chemotherapy, immunotherapy, radiation therapy and biopsy. An oncologist designs a treatment plan based on a pathology report after diagnosing the type of cancer and where it is spreading inside the body.

Are you searching for an ‘Anatomist job description’? An Anatomist is a research professional who applies the laws of biological science to determine the ability of bodies of various living organisms including animals and humans to regenerate the damaged or destroyed organs. If you want to know what does an anatomist do, then read the entire article, where we will answer all your questions.

For an individual who opts for a career as an actor, the primary responsibility is to completely speak to the character he or she is playing and to persuade the crowd that the character is genuine by connecting with them and bringing them into the story. This applies to significant roles and littler parts, as all roles join to make an effective creation. Here in this article, we will discuss how to become an actor in India, actor exams, actor salary in India, and actor jobs. 

Individuals who opt for a career as acrobats create and direct original routines for themselves, in addition to developing interpretations of existing routines. The work of circus acrobats can be seen in a variety of performance settings, including circus, reality shows, sports events like the Olympics, movies and commercials. Individuals who opt for a career as acrobats must be prepared to face rejections and intermittent periods of work. The creativity of acrobats may extend to other aspects of the performance. For example, acrobats in the circus may work with gym trainers, celebrities or collaborate with other professionals to enhance such performance elements as costume and or maybe at the teaching end of the career.

Video Game Designer

Career as a video game designer is filled with excitement as well as responsibilities. A video game designer is someone who is involved in the process of creating a game from day one. He or she is responsible for fulfilling duties like designing the character of the game, the several levels involved, plot, art and similar other elements. Individuals who opt for a career as a video game designer may also write the codes for the game using different programming languages.

Depending on the video game designer job description and experience they may also have to lead a team and do the early testing of the game in order to suggest changes and find loopholes.

Radio Jockey

Radio Jockey is an exciting, promising career and a great challenge for music lovers. If you are really interested in a career as radio jockey, then it is very important for an RJ to have an automatic, fun, and friendly personality. If you want to get a job done in this field, a strong command of the language and a good voice are always good things. Apart from this, in order to be a good radio jockey, you will also listen to good radio jockeys so that you can understand their style and later make your own by practicing.

A career as radio jockey has a lot to offer to deserving candidates. If you want to know more about a career as radio jockey, and how to become a radio jockey then continue reading the article.

Choreographer

The word “choreography" actually comes from Greek words that mean “dance writing." Individuals who opt for a career as a choreographer create and direct original dances, in addition to developing interpretations of existing dances. A Choreographer dances and utilises his or her creativity in other aspects of dance performance. For example, he or she may work with the music director to select music or collaborate with other famous choreographers to enhance such performance elements as lighting, costume and set design.

Social Media Manager

A career as social media manager involves implementing the company’s or brand’s marketing plan across all social media channels. Social media managers help in building or improving a brand’s or a company’s website traffic, build brand awareness, create and implement marketing and brand strategy. Social media managers are key to important social communication as well.

Photographer

Photography is considered both a science and an art, an artistic means of expression in which the camera replaces the pen. In a career as a photographer, an individual is hired to capture the moments of public and private events, such as press conferences or weddings, or may also work inside a studio, where people go to get their picture clicked. Photography is divided into many streams each generating numerous career opportunities in photography. With the boom in advertising, media, and the fashion industry, photography has emerged as a lucrative and thrilling career option for many Indian youths.

An individual who is pursuing a career as a producer is responsible for managing the business aspects of production. They are involved in each aspect of production from its inception to deception. Famous movie producers review the script, recommend changes and visualise the story. 

They are responsible for overseeing the finance involved in the project and distributing the film for broadcasting on various platforms. A career as a producer is quite fulfilling as well as exhaustive in terms of playing different roles in order for a production to be successful. Famous movie producers are responsible for hiring creative and technical personnel on contract basis.

Copy Writer

In a career as a copywriter, one has to consult with the client and understand the brief well. A career as a copywriter has a lot to offer to deserving candidates. Several new mediums of advertising are opening therefore making it a lucrative career choice. Students can pursue various copywriter courses such as Journalism , Advertising , Marketing Management . Here, we have discussed how to become a freelance copywriter, copywriter career path, how to become a copywriter in India, and copywriting career outlook. 

In a career as a vlogger, one generally works for himself or herself. However, once an individual has gained viewership there are several brands and companies that approach them for paid collaboration. It is one of those fields where an individual can earn well while following his or her passion. 

Ever since internet costs got reduced the viewership for these types of content has increased on a large scale. Therefore, a career as a vlogger has a lot to offer. If you want to know more about the Vlogger eligibility, roles and responsibilities then continue reading the article. 

For publishing books, newspapers, magazines and digital material, editorial and commercial strategies are set by publishers. Individuals in publishing career paths make choices about the markets their businesses will reach and the type of content that their audience will be served. Individuals in book publisher careers collaborate with editorial staff, designers, authors, and freelance contributors who develop and manage the creation of content.

Careers in journalism are filled with excitement as well as responsibilities. One cannot afford to miss out on the details. As it is the small details that provide insights into a story. Depending on those insights a journalist goes about writing a news article. A journalism career can be stressful at times but if you are someone who is passionate about it then it is the right choice for you. If you want to know more about the media field and journalist career then continue reading this article.

Individuals in the editor career path is an unsung hero of the news industry who polishes the language of the news stories provided by stringers, reporters, copywriters and content writers and also news agencies. Individuals who opt for a career as an editor make it more persuasive, concise and clear for readers. In this article, we will discuss the details of the editor's career path such as how to become an editor in India, editor salary in India and editor skills and qualities.

Individuals who opt for a career as a reporter may often be at work on national holidays and festivities. He or she pitches various story ideas and covers news stories in risky situations. Students can pursue a BMC (Bachelor of Mass Communication) , B.M.M. (Bachelor of Mass Media) , or  MAJMC (MA in Journalism and Mass Communication) to become a reporter. While we sit at home reporters travel to locations to collect information that carries a news value.  

Corporate Executive

Are you searching for a Corporate Executive job description? A Corporate Executive role comes with administrative duties. He or she provides support to the leadership of the organisation. A Corporate Executive fulfils the business purpose and ensures its financial stability. In this article, we are going to discuss how to become corporate executive.

Multimedia Specialist

A multimedia specialist is a media professional who creates, audio, videos, graphic image files, computer animations for multimedia applications. He or she is responsible for planning, producing, and maintaining websites and applications. 

Quality Controller

A quality controller plays a crucial role in an organisation. He or she is responsible for performing quality checks on manufactured products. He or she identifies the defects in a product and rejects the product. 

A quality controller records detailed information about products with defects and sends it to the supervisor or plant manager to take necessary actions to improve the production process.

Production Manager

A QA Lead is in charge of the QA Team. The role of QA Lead comes with the responsibility of assessing services and products in order to determine that he or she meets the quality standards. He or she develops, implements and manages test plans. 

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Lesson Plans, Teacher Guides and Online Environmental Resources for Educators: Water

Find an array of environmental and science based lesson plans, activities and ideas below from EPA, other federal agencies and external organizations.  ​ Encontrar recursos para estudiantes y maestros.

Topics: Air | Climate Change | Ecosystems | Energy | Health | Waste | Water

Acid Rain: A teacher's guide for grades 6 through 8  (PDF 56 pp, 4.6 MB) A lesson plan and activities from EPA for teachers on acid rain. Grades: 6-8 Type of Resource: Lesson plan

Acid Rain Educational Resources Experiments and activities, a review of basic acid rain concepts, factsheets, and things you can do about acid rain. Grades: K-12 Type of Resource: Lesson plans and experiments

Darby Duck and the Aquatic Crusaders Find seven experiments from EPA to learn about the characteristics of water. Grades: K-5 Type of Resource: Lesson plan and experiments

Drinking Water & Ground Water Kids' Stuff Games, activities, and art projects from EPA about the water cycle and water treatment. Grades: K-12 Type of Resource: Lesson plans

EnviroAtlas: Exploring Your Watershed This interactive lesson-plan module encourages students to explore their local watershed through a hands-on lab, an outdoor exploratory session with maps, and an EnviroAtlas web-mapping session that can be completed with or without internet. Grades: K-6 Type of Resource: Lesson Plans

Ground Water Contamination   (PDF 10 pp, 0.2MB)  Find a general review of groundwater contamination and where it occurs. Grades: 9-12 Type of Resource: Factsheet

How's My Waterway? This tool answers questions about the health of waters in supporting swimming, the eating of fish, drinking water protection and delivery, the health of aquatic communities, and the restoration and protection of waterways. Grades: K-12, College, Adult Learners Type of Resource: Website/tool and lesson plan

How People Get Their Water - Reservoirs: "Holding Tanks" for Drinking Water   Let your students "Ride the Water Cycle" with this activity from EPA. Help them understand the role of reservoirs in maintaining a reliable supply of drinking water. Grades: 4-8 Type of Resource: Lesson plan

Magnificent Ground Water Connection This ground-water activity guide is applicable to a wide range of subject matter and the topics include basic concepts on the water cycle, water distribution, treatment, and stewardship. This page includes five sample lesson activity plans. Grades: K-12 Type of Resource: Curriculum guide and lesson plans

Mercury Messes with the Environment (pdf) (10.6 MB) A children’s activity booklet describing the effects of mercury contamination on humans and the environment. Grades: 6-8 Type of Resource: Activity book

On Your Mark, Set, Evaporate (PDF 4.73 MB, 398 pp) This EPA lesson plan covers transpiration as part of the hydrologic cycle. Grades: 6-8 Type of resource: Lesson plan

Drinking Water Activities for Students and Teachers These resources provide a basic understanding of drinking water terms and where water comes from. Grades: K-12 Type of Resource: Website, Lesson Plans, Teacher Guides, Activities

Thirstin's Groundwater Movement Activity (PDF 332 KB, 2 pp) This class activity demonstrates that ground water must be able to move through underground materials. The students will act as molecules of water and the underground materials. Grades: K-5 Type of resource: Lesson plan

Tracking Pollution - A Hazardous Whodunit A Thirstin lesson plan to teach students to make a topographic map, use it to predict ground water flow and investigate the most likely source of ground water contamination. Grades: 9-12 Type of resource: Lesson plan

Water Sense Resources Resources for educating students about "Fix a Leak Week," EPA's WaterSense Partnership program and water efficiency. Grades: K-8 Type of resource: Lesson plan

Watershed Academy The Watershed Academy is a focal point in EPA's Office of Water for providing training and information on watershed management. The Academy's self-paced training modules and webcast seminars provide current information from national experts across a broad range of watershed topics. Grades: 9-12, College, Adult Learners Type of Resource: Self paced online modules

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National Wetlands Research Center This site from the U.S. Geologic Survey explores the many factors that affect wetland health, and provides resources for teachers on preserving our wetlands. Grades: 9-12

NOAA's Education Resources Website Explore this site to find the information you need to teach students about weather, climate change, and oceans. You'll find activities, background information, and much more! Grades: 6-12

National Ocean Service Education Find case studies, tutorials, games, and more from NOAA's National Ocean Service. Grades: K-12 Type of Resource: Website

Stormwater Pollution Solutions Challenge In these materials, students will read text and diagrams about the elements of watersheds and learn how stormwater pollution influences children’s health. Then they will develop their own environmental solutions to combat stormwater pollution in a local watershed! Grades: 6-8 Type of Resource: Lesson Plan

Water Science for Schools This site provides extensive background information on a wide variety of water topics. It also includes on-line activities, data tables, maps, and a glossary of terms. Grades: 6-12

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• Speech on Water Pollution

Speech on Water Pollution in English for Students

Water pollution is the contamination of water usually by human activities such as throwing garbage and sewage waste in clean water bodies. Due to the continuous use and exploitation, there is water pollution occurring all around us. Water pollution is one of the most important issues which every country is facing right now. 

If you are looking for a persuasive speech about water pollution, refer to the speeches below - a long speech on water pollution and a short 2 minutes speech on water pollution. These informative speeches will help the students to understand the what, why, and how’s of water pollution.

Long Informative Speech About Water Pollution

Hello, everyone. Thank you for having me. Today I want to talk about water pollution, its causes and how it can be controlled.

Water is the basic need for survival. It has been used by living things for ages. Life without water cannot be imagined. Water is the most important element that cannot be replaced by any other element. Due to the continuous use and exploitation, there is water pollution occurring all around us. 

Water pollution is one of the most important issues which every country is facing right now. Water pollution is the result of continuous economic growth. As the population grew, water was exploited with that. The main source of water pollution includes the overflow of domestic sewage in clean water bodies. Dangerous organic and chemical waste from industries is dumped in various river bodies. The toxic chemicals present in industrial waste not only pollute water but also kill aquatic life. 

The major pollutant industries are fertilizers, pesticides, refineries, metal plating, etc. Sewage waste and garbage from houses are carelessly thrown into clean water bodies by the citizens. 

Water pollution remains a major issue in most developing countries which includes India. In India, many people die because of water pollution. Around 80% of India’s water bodies are severely polluted as people dump raw sewage and garbage into the rivers and lakes. This has led to water being undrinkable and which in turn causes the vast majority of the population to heavily rely on expensive drinking sources. The condition of water pollution is so bad in India that every year 1.5 million children die from malaria. 

Reasons for India’s increased problem in water pollution are that India suffers from urbanization, Unauthorized slums have been established and no proper pipelining by the government. Due to overpopulation, many underprivileged people decide to live in slums where they drink contaminated water which causes diseases. Another reason is no proper pipelining is done by the government as a result of which the sewage water gets mixed up with the drinking water. The industries in India release organic and chemical waste directly into the water bodies. To sum up oil leaks, poor sanitization, no proper waste, and sewage treatment, and open defecation are considered to be the leading cause of water pollution in india . Children drink this contaminated water that causes a major bacterial attack on the digestive system, which results in diseases like diarrhea, etc. 

So, how can we control this problem? Well, the government should adopt more scientific and improved methods for handling the disposal of sewage and garbage. To control the spread of diseases, a proper method of sterilization of water should be developed. When it comes to Industries, the harmful industrial effluents should be neutralized and properly before discharging into water bodies. When it comes to agriculture, a minimization should be done in the use of chemical fertilizers and pesticides. 

To conclude, I want to say that water pollution is the result of the negligence shown by mankind. I believe it’s a warning by mother nature towards us to take care of our water bodies. As a citizen and a fellow human, it is the duty of each and every person to take care of water bodies around. Do not throw garbage and waste into river bodies. As a citizen, make sure that no one is also polluting the water bodies. Water pollution cannot be eliminated, but it could be controlled by everyone if they think about the future. If we take care of mother earth and the resources, she will take care of us. Thank you!

Short Speech on Water Pollution

Good morning everyone! Today I want to talk about water pollution, its causes and how it can be controlled. A human body could survive without food for three days but it cannot survive without water for a day. It has been used by a living organism for ages. Life without water cannot be imagined. Water is the most important element that cannot be replaced by any other element. Due to the continuous use and exploitation, there is water pollution occurring all around us. 

Water pollution is considered a major issue in India as many people die in India because of unknowingly drinking polluted water. The condition of water pollution is so bad in India that every year 1.5 million children die from malaria. 

The reasons for water pollution in India are oil leaks, poor sanitization, No proper waste, and sewage treatment, and open defecation are considered to be the leading cause of water pollution in India. Children drink this contaminated water that causes a major bacterial attack on the digestive system, which results in diseases like diarrhea, etc. 

Water pollution could be controlled if needed precautions are taken. It is the responsibility of the government to come with new scientific methods for handling domestic sewage and garbage. 

The harmful industrial effluents should be neutralized and properly before discharging into water bodies.

To conclude this speech, I want to say that water pollution could be controlled if necessary measures are taken by everyone. Humans have exploited the resources provided by the Earth for a very long time and the result of that exploitation is various pollutions like water, air, etc. As a responsible human being, who wants a better future for the coming generation takes care of your surroundings. Do not throw garbage near water bodies and report anyone who does. Things last forever if we take care of them. Thank you.

Water Pollution Speech Outline

The earth is made up of 70% of water and every living organism consumes only 1% of freshwater.

Life without water cannot be imagined. Water is required for the existence of life.  

Water is the most important element that cannot be replaced by any other element.

The main source of water pollution includes the overflow of domestic sewage in clean water bodies.

In India, many people die because of water pollution. Around 80% of India’s water bodies are severely polluted as people dump raw sewage and garbage into the rivers and lakes.

Oil leaks, poor sanitization, no proper waste, and sewage treatment, and open defecation are considered to be the leading cause of water pollution in India.

The government should adopt more scientific and improved methods for handling the disposal of sewage and garbage.

To control the spread of diseases, a proper method of sterilization of water should be developed.

 As a citizen, do not throw garbage and waste in water bodies and make sure others also don’t do it.

FAQs on Speech on Water Pollution

1. How to download the Speech on Water Pollution from the Vedantu Website?

The Vedantu website provides a download of the Speech on Water Pollution, which is accurate and well-structured. Vedantu's official website provides the Speech in PDF version which is available for download for free of cost. Students are advised to download the Speech on Water Pollution from the Vedantu website to get an idea of the word limit, sentence construction and basic understanding of what a good essay consists of. Vedantu essay is concise and apt for school going students. It uses simple language, perfect for students with limited vocabulary. Following the Vedantu essay enables students to be sufficiently prepared for any essay topics and guarantees that students will score good marks. To access the Speech on Water Pollution, click on the link available.

2. Is writing Speech considered hard?

Speech writing is a difficult task that needs a great deal of study, time, and focus. It's also an assignment that you can divide down into manageable chunks such as introduction, main content and conclusion. Breaking down and focusing on each individually makes speech writing more pleasant. It's natural for students to be concerned about writing a Speech. It's one of the most difficult tasks to do, especially for people who aren't confident in their writing abilities. While writing a decent Speech is difficult, the secret to being proficient at it is reading a lot of books, conducting extensive research on essential topics, and practicing speech writing diligently. Apart from writing the speech, speaking the written matter can also be challenging. It is important for students to exude confidence while giving a speech. Learning to speak in front of an audience is a somewhat challenging task that takes time, careful attention, and practice. The key to becoming a good public speaker is to attract the audience's attention within the first minute or so, engage them using easy strategies like presenting a narrative or personal experience, asking a question, starting with a quotation, or sharing statistics and dramatic facts, etc.

3. Who prepares the Speech on Water Pollution for Vedantu?

The Speech on Water Pollution, designed by Vedantu, is created by a group of experts and experienced teachers. The panel of experts have created the speech after analyzing important speech topics that are considered important. The speeches that are provided by Vedantu are not only well-structured but also accurate and concise. They are aptly suited for young students with limited vocabulary. For best results, the students are advised to go through multiple speeches written on the Vedantu Website and practice the topics on their own for best results.

4. What are the main causes of Water Pollution?

Water pollution When dangerous substances—often chemicals or microorganisms—contaminate a stream, river, lake, ocean, aquifer, or other body of water, the water quality deteriorates and the water becomes toxic to humans or the environment. Some freshwater systems supply clean drinking water as a vital ecosystem function, however due to pollution, roughly 785 million people throughout the globe do not have access to safe drinking water.

Main causes of Water Pollution includes:

a. Domestic sewage: Plant nutrients, mostly nitrates and phosphates, are abundant in sewage. Excess nitrates and phosphates in water encourage algae development, resulting in algal blooms, which are extremely dense and fast growths.

b. Toxic waste: Toxic waste is poisonous, radioactive, explosive, carcinogenic, and or bioaccumulative, which increases in concentration at the higher ends of food chains.

c. Sediment: Surface runoff can carry sediment (e.g., silt) into water bodies as a result of soil erosion.

Other reasons could include oil spillage. Oil spill is currently one of the leading causes of water pollution. 

5. What are some tips on writing an excellent speech?

Writing a speech can be a daunting task, but following the below steps will help students to write a speech worthy of getting high marks on examination. 

Pick a topic with which you’re familiar.

Prepare an outline of the speech. Organize your speech well.

Break down the essay into three categories ie, introduction, main content and conclusion. Focus on each section individually. 

Try to relate each section of the speech with another to have a clear flow of thoughts.

Cite your sources and evidence, if required. 

Essay on Water Pollution for Children and Students

Table of Contents

Essay on Water Pollution: Water pollution is a topic of great environmental concern in today’s context. Water is a rare resource, much essential for life on earth. It is not only water that is essential but it also must be clean and safe to use. Polluted and contaminated water is good for nothing and is also hazardous to use or consume. The main causes of water are human-induced and include activities like industrialization, agricultural activities, improper waste disposal, etc.

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Short and Long Essay on Water Pollution

We have provided below short and long essays on water pollution in English for your knowledge and information. After going through the essays, you will know what water pollution is and what are its main causes; how to stop water pollution; water pollution prevention etc. These essays will be helpful in your school/college assignments of essay writing, speech giving or paragraph writing, etc.

Water Pollution Essay 100 Words – Sample 1

Water Pollution refers to the contamination of water bodies and underground resources of water by any of the several human activities or natural causes. Human activities like, urbanization, industrialization, deforestation, waste disposal, landfills are primarily responsible for water pollution.

Some of the natural causes responsible for water pollution are volcanoes and debris from floods. Another natural cause of water pollution is algae bloom. The term “algae” is used to refer to a large and diverse group of photosynthetic organisms. Algae bloom means an increase in the population of algae in a water body, consequently resulting in its discoloration and contamination.

Water Pollution Essay 150 Words – Sample 2

The term “Water Pollution” is used when a water body like a river, lake, ocean, etc is polluted due to human activity or a natural cause. Today, water pollution has become a major environmental concern and needs to be responsibly dealt with.

Fresh water is very scarce on the planet and pollution is making it even scarcer. Every year we lose millions of liters of freshwater to industrial and other types of pollution. Pollutants consist of visible small and big pieces of garbage as well as invisible, harmful and toxic chemicals.

The visible impurities can be easily removed from a water body by manual cleaning or filtration, but the chemical pollutants are more hazardous and difficult to remove. Chemicals get mixed into water and change its properties, making it harmful to use and life-threatening.

It is only through sincere individual and collective efforts, that we can overcome the problem of water pollution and prevent a severe water crisis in future.

Water Pollution Essay 200 Words – Sample 3

Water Pollution is a matter of environmental concern as well as life and health of all living species. For a population of 7.8 billion growing at a rate of 82 million every year we have very little freshwater.

Only 2.5% of all the water available on earth is freshwater that we use for our daily needs. But, human’s desire to expand boundaries and explore commercial avenues have put stress on our freshwater resources, making them polluted as never before.

Many industries are set up near water bodies and use freshwater to carry industrial waste to the nearby water bodies. This industrial waste is toxic in nature and poses a health hazard to the flora and fauna. People in the settlements in the vicinity of polluted water bodies are observed to be suffering from serious skin, respiratory and sometimes even life-threatening other ailments.

Other the main cause of water pollution is urban waste and sewage. Every household produces tons of waste annually, consisting of plastic, wood, chemicals, and other compounds. In the absence of a proper waste disposal mechanism, this waste reaches our water bodies like rivers, lakes, streams and pollutes them. Water pollution must be prevented if we want the earth to be green, healthy and filled with life.

Water Pollution Essay 250 Words – Sample 4

Water is an essential resource for life on earth. Without water, or to be more specific, without clean and safe water, life on earth would be unimaginable. You may think that we still have plenty of water with it constituting 97.5% of the total volume of earth. But, there is a catch – that 97.5% is salt water that is found mainly in oceans; the water we do not use for our daily needs.

The remaining percentage, that is, only 2.5% is freshwater what we use. Moreover, only 0.3% of that 2.5% is the water found on the surface of the earth. To be more specific, the total volume of water on earth is 1,386,000,000 Km 3 , out of which only 10,633,450 Km 3 is freshwater. Leaving very less freshwater for a population of 7.8 billion as on December 2019 and every year 82 million people are being added to that figure. On the other hand, the volume of freshwater used by the world population took centuries to be produced and thus it can’t be afforded to be polluted at any cost.

If the pollution of water continues as it is today, within a couple of decades we could face an acute water crisis. Then we might be left with no option but only to regret what we have done. There is still time and things can be normalized if we take action today. Whether it is an individual action or a collective one, an action to conserve water and prevent its pollution is the need of the day.

Water Pollution Essay 300 Words – Sample 5

Introduction

Water Pollution occurs when external pollutants enter the otherwise clean and safe natural water resources. Due to the growing human intervention and expansion of urban settlements, water pollution has become a painful reality today.

Water Pollution Sources

The sources of water pollution are many and almost all of them are generated due to human activities. Industries emit millions of gallons of toxic smoke and material waste which is left directly into the air, water bodies and natural resources. Most of such waste from the industries are left directly into the water bodies without any kind of treatment. Most of the industrial waste is toxic in nature and in turn, increases the toxicity of the water it reaches.

Also, the domestic waste that is generated every day in the millions of households around the world contains waste plastic materials, chemicals, oils, metals, etc. Most of the households lack a proper waste disposal mechanism and mostly the waste is directly dumped into the environment.

How to Stop Water Pollution

Water pollution could be prevented considerably by making people aware of its causes and its effects on life and the planet. People must take part in cleaning campaigns wherein a group or community takes up the task of cleaning the water bodies every weekend or at least once in a month.

Moreover, strict laws need to be formed and strictly implemented with the objective of eliminating water pollution. Strict monitoring could prevent people and organizations from polluting and will improve accountability as well.

Water pollution today has become a topic of hot debate and concern for environmentalists and scientists. It threatens the future of all the living species on the planet earth. Water is an essential commodity to live added by the fact that only 2% of the water on earth is fresh water that we use. We can’t afford to pollute it further and must take steps for the reversal of the damage that we have already done.

Water Pollution Essay 350 Words – Sample 6

Water Pollution refers to the introduction of pollutants into our water bodies. These pollutants are primarily generated by human-induced activities and pose a threat to our natural water resources.

Water Pollution Prevention

There are several things one could do to prevent water pollution. Some of them are simple enough to be taken by an individual while some require collective efforts. However, the efforts need to be repeatedly done in order to preserve our natural water resources. Some of the implementable ways to prevent water pollution are given below-

Keep your drain free of Contaminants and Chemicals.

An average household generates all kinds of waste including chemicals, disposed medicines, and other hazardous compounds. We must take care while disposing of our household waste and ensure that any such waste didn’t reach the sewage system.

Prevent use of Polythene

Polythene bags are widely used today in every household. They are light, could carry heavyweight, and easy to store. But polythene bags constitute a major threat to water resources. The polythene that we dispose of our houses, finds its way into the water bodies. Being non-biodegradable, it just lays there, polluting water and making it toxic.

Conserve Water

Always try to conserve water while doing your daily activities, whether it’s cooking, shaving, bathing, gardening or cleaning, etc. Water conservation can also be achieved by repairing all the faulty taps in your house and locality as well.

Reuse and Recycle

Much of the waste that we generate in houses could be reused and recycled if only we make a little effort for it. Wastes like automobile oil are disposed into the drain and easily reach into rivers and streams. This is really hazardous to the purity of water and also to the life of organisms that live in water. On the other hand, automobile oil can be reused for several other lubrication purposes.

Water pollution today has become a cause of great concern for human health as well as the environment. Water is an essential commodity without which life can’t be imagined. It is the duty of all to take steps for keeping water pollution-free and also to conserve it, for a healthy future of the planet.

Water Pollution Essay 400 Words – Sample 7

Water Pollution refers to the contamination of water bodies like rivers, lakes, ponds and oceans. It is caused when the pollutants generated by human activities like industrialization, urban waste, littering, etc., enter our water bodies and pollute them.

Types of Water Pollution

As water comes from many sources, there are many types of water pollution. The most common types of water pollution are described below.

• Agricultural/Nutrients Pollution

Some of the waste water and agricultural waste contain high nutrients levels. These nutrient-rich contaminants cause algae growth, making the water unfit for drinking and other purposes. Algae use the oxygen content in water making oxygen scarce for other organisms, resulting in their death.

• Sewage and Waste Water

Sewage and waste water from urban settlements is rich in various soluble and non-soluble impurities like mercury, plastic, rotten food, debris, chemicals etc. When these pollutants reach water bodies, some of them float over the surface while some sink at the bottom. The soluble impurities change the composition of water as well. This is a dangerous situation for all the living organisms in the water body.

• Oxygen Depletion

Any water body contains several microorganisms including aerobic and anaerobic organisms. When the biodegradable waste reaches into the water bodies and decays, it encourages the growth of more microorganisms, consequently using more oxygen, in turn, depleting the oxygen level.

• Pollution of Ground Water

Use of chemical pesticides and fertilizers pollute the groundwater resources. The chemicals get mixed with soil and are soaked into the ground with rain, reaching the underground water reserve. This contaminated water reaches our wells and other sources of water, making its consumption harmful.

Prevention of Water Pollution

Water Pollution can be prevented by taking these simple steps –

• Don’t pour down fat or oil in your kitchen sink.
• Avoid improper disposing of harmful chemicals and other contaminants.
• Never let unused or expired medicines reach the house drainage system.
• Segregate the waste as solid, liquid, degradable and non-degradable and ensure its proper disposal.
• Avoid using pesticides and chemical fertilizers as much as you can.

Water pollution is a growing environmental concern which depletes one of our very essential natural resources. It is only through great determination and political will that we can succeed in saving water from getting contaminated.

Water Pollution Essay 500 Words – Sample 8

Water Pollution refers to the contamination of water bodies, primarily due to human activities. Water bodies include lakes, rivers, ponds, oceans and underground water resources. Water Pollution occurs when waste from industrial and other sources enter into the water bodies, resulting in the contamination of water, moreover, it is also harmful to aquatic life as well as to humans.

Causes of Water Pollution

Water is an essential natural resource and very useful for life on earth. Causes of water pollution are many and always include human activities. The various causes of water pollution are given below-

• Urban Sewage: The sewage from urban settlements is usually treated with chemicals and then released into the water bodies after mixing with fresh water. Most of the time, the sewage is not treated and is left into the water bodies. It contains harmful, bacteria and pathogens, which is extremely harmful to aquatic life and to humans as well.
• Industrial Waste: Large amount of toxic waste is produced by the industries. Industrial waste includes pollutants such as mercury, lead, sulfur, asbestos, and nitrates. These chemicals are not only harmful to flora and fauna but also render the water unfit to use. Due to the absence of a proper waste management system, many industries still dump harmful waste in natural water resources.
• Garbage Dumping: Common household garbage contains plastic, food, wood, paper, rubber, aluminum, etc. This garbage is directly dumped into oceans and rivers or else reaches them indirectly and takes a couple of years to centuries to degrade. In both cases, it pollutes the water bodies and threatens marine life as well as the life of flora and fauna over the adjoining lands.
• Oil Spills: Oil is non-soluble in water and being lighter in density, floats over it. Though the oil spills have been considerably reduced in the past decades, the incidents of oil spills still happen. For instance, in 2018, there were 137 oil spills in the United States alone. Out of 137 spills, 65 were reported as the maximum potential spills, releasing gallons of oil into the water.
• Landfills Leakage: Landfills are the huge piles of garbage usually found on the outskirts of a city or urban settlement. The garbage from the landfills leaks into the water bodies with rain or reaches with the wind, resulting in their contamination. They contain a large amount of several contaminants harmful for aquatic life.

Effects of Water Pollution

The most immediate effect of water pollution is on the organisms that live in water. Moreover, it is also harmful to the surrounding plants, animals and humans those use or consume water in some form or the other.

Chemical pollutants are most harmful in this regard as they are difficult to separate physically and alter the properties of water. They get mixed with the water alter its chemical properties, making it harmful to consume or use.

Use of contaminated water causes several serious diseases in humans like – diarrhea, cholera, typhoid, dysentery, etc and could be life-threatening.

Water Pollution today has become a serious issue that concerns the health of the planet and its inhabitants. Water is a very useful resource, much needed for drinking and other essential activities by humans and animals alike. If the already scarce freshwater is made contaminated then the chances of life on the planet are considerably reduced. To save life on earth we must first save the water by keeping our water bodies clean.

Frequently Asked Questions on Water Pollution

What are the objectives of water pollution.

Water pollution is not the objective but the result of contaminants entering water bodies, harming aquatic life and ecosystems.

How do we detect water pollution?

Water pollution can be detected through various tests and measurements of water quality, including chemical analysis and biological monitoring.

What is the effects of water pollution?

The effects of water pollution include harm to aquatic life, ecosystem disruption, health risks for humans, and damage to the environment.

Why do we stop water pollution?

We aim to stop water pollution to protect aquatic ecosystems, ensure safe drinking water, and safeguard public health.

How can we protect water?

We can protect water by reducing pollutant discharge, conserving water resources, and adopting eco-friendly practices.

What is the main source of pollution?

The main sources of water pollution are industrial discharges, agricultural runoff, sewage, and improper waste disposal.

How to prevent water pollution?

Preventing water pollution involves regulating pollution sources, promoting eco-friendly practices, and raising awareness about water conservation.

What's the cause of water pollution?

The causes of water pollution include chemical pollutants, sewage, oil spills, and excessive nutrient runoff from agriculture and urban areas.

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