Essay on Water pollution for students in English

This article enables students to read an essay on water pollution in English. Students can also be able to write their own essay on pollution of water in any essay competition.

essay on water pollution

100 words short essay on water pollution for students

Here, you can read a brief essay on water pollution in English within 100 words. This essay is suitable for students of 1st, 2nd, 3rd, 4th, and 5th class.

As we know that water is an essential resource for every being on earth. Nowadays water gets polluted by various sources and causes damage to life on earth. Water pollution is one type of environmental pollution.

Definition of Water pollution:

Water pollution can be defined as “alteration in physical, chemical, or biological characteristics of water making it unsuitable for designated use in its natural state.

Water pollution can be defined as contamination of unwanted poisonous substances in water and making it unsuitable for natural purposes.

Water pollution affects life on earth. So, we should follow some measures to prevent water pollution. Many programs are associated by the Government to control pollution of water like “Clean Ganga”.

So, we must try to preserve pure water for future generations. Water pollution is very hazardous to humans and the environment.

250+words essay on water pollution for students

This essay on pollution of water within 250 words. This essay is more suitable for the students of the 6th and 7th classes.

sources of pollution of water


Water pollution is a pollution of bodies of water such as lakes, rivers, seas, oceans and also ground water. Water get polluted when these bodies are contaminated by some pollutants. Pollutants are came in the form of waste from homes, industrial waste, etc.

Sources of water pollution:

Water pollution occurs by the following sources.

  • Domestic waste:

Domestics waste is also called as “Household waste”. Waste from homes such as plastic, papers, wood, and combustible materials are poured into water can cause water pollution.

  • Industrial effluents:

Industrial waste containing toxic chemicals, acids, alkalis, metallic salts, phenols, cyanide, ammonia, radioactive substances, etc. are sources of water pollution. They also cause thermal pollution of water.

  • Synthetic Detergents:

Synthetic detergents used in washing and cleaning produce foam and pollute water.

  • Agrochemicals:

Agrochemicals like fertilizers and pesticides washed by rain-water and surface run-off pollute water.

  • Oil likage:

Oil spillage into sea-water during drilling and shipment pollute water.

  • Waste heat:

Waste heat from industrial discharges increases the temperature of water bodies and affects the distribution and survival of sensitive species.

Control of water pollution:

Water pollution can be controlled by the following measures:

  • Stop pouring of domestic waste into the water like lakes, rivers, etc.
  • Avoiding using of Agrochemicals and fertilizers on sloped lands
  • Rainwater must be preserved by using the method of rainwater harvesting.
  • Stop pouring industrial waste into water.
  • Planting trees would reduce water pollution also.


Water pollution affects every being on earth. Our country India also facing the problem of water pollution. The Government has already launched many schemes to control water pollution and to preserve water for future generations. As a citizen, it is our responsibility to prevent water pollution.

300+words essay on water pollution for students

Here, you can read an essay on the pollution of water in English. This essay helps you to know about the effects and controlling methods of pollution of water.

essay on water pollution

Pollution of water:

Nowadays water pollution has become a dangerous problem all over the world. Water is an essential element for survival on planet earth. Now, we will discuss some of the main effects of water pollution on human beings and the environment.

Effects of water pollution:

  • Scarcity of safe water:

The immediate effect of water pollution is scarcity of safe water for drinking purpose. Nearly one billion people worldwide lack access to safe drinking water.

  • Diseases:

Water borne diseases, also known as dirty water diseases result from consuming contaminated water. Around 2.3 billion people globally suffer from many diseases like diarrheal diseases, typhoid, infectious hepatis and para typhoid are also caused.

  • Affects food production:

Water pollution affects the food production also. Agriculture itself pollute water due to the usage of fertilizers, pesticides, and herbicides.

  • Affects aquatic life:

Chemicals and bacteria present in the water bodies like pond or lakes can cause the existence of algae and this cause decreases the amount of oxygen level in the water that can damage the aquatic life.

Control of pollution of water:

Now we will discuss about how to reduce water pollution from point sources and non-point sources.

Non-point sources:

  1. Use of agrochemicals like pesticides and fertilizers which will reduce their surface run-off and leaching. Avoid the use of these on sloped lands.
  2. Use of nitrogen-fixing plants to supplement the use of fertilizers.
  3. Adopting integrated pest management to reduce reliance on pesticides.
  4. Prevent run-off of manure. Divert such a run-off to the basin for settlement. The nutrient-rich water can be used as fertilizer in the fields.
  5. Separate drainage of sewage and rainwater should be provided to prevent the overflow of sewage with rainwater.
  6. Planting trees would reduce pollution by sediments and will also prevent soil erosion.

point sources:

  1. Treatment of waste water is essential before bieng discharged.
  2. Waste water should be properly treated by primary and secondary treatments to reduce BOD, COD, levels upto the permissible levels for discharge.
  3. Advanced treatment for removal of nitrates and phosphates will prevent eutrophication.
  4. Before the discharge of wastewater, it should be disinfected to kill the disease-causing organisms like bacteria.

500+words Essay on Water pollution for students

Here, you can read an essay on water pollution in English within 500 words. This essay is more useful to the students of 8th, 9th, and 10th classes and also for college students.

pollution of water


Water pollution means the contamination of water by some pollutants. World has being faced a dangerous environmental pollution. Water pollution is a major problem faced in India. According to the Global environmental statistics the rain water is morely getting polluted. Another major source of water pollution is industrial effluents and sewage.

Types of water pollution:

Water pollution is classified into two types:

  • Ground water pollution
  • Surface water pollution

Ground water pollution:- Ground water forms about 6.2% of the total water available on earth and is about 30 times more than surface water. Septic tanks, industry, deep well injection, mining etc. are mainly responsible for ground water pollution.

Surface water pollution:- Some of examples of surface water pollution are pollution of lakes, rivers, seas, oceans and mostly of the water bodies that are open. Surface water pollution is mostly caused by sewage, industrial effluents, detergents, chemicals and so on.

Causes of water pollution:

Pollution water is caused by the following sources. Water pollution is mainly caused by various human activities.

  • Sewage:

The sewage waste from households, agricultural activities, and from other places. These sewage wastes are dumping into the water like nearby lakes, rivers, etc. Some pollutants like chemicals and toxicants mixed up with water and pollute it.

  • Industrial waste:

Dumping of the industrial waste directly into the water without any proper treatment can cause pollution of water. Many industries are not following the rules and regulations of Government. That why many rivers like Ganga, Yamuna, etc, are polluted.

  • Agricultural activities:

Using chemicals like fertilizers, pesticides, etc for agricultural purposes can cause pollution of water. the chemicals are absorbed into the soil and mixed with groundwater can create water pollution and also can cause soil pollution.

  • Oil :

During the process of shipment and drilling oil spillage into the water can cause water pollution.

  • Eutrophication:

Eutrophication means enriched nutrients and minerals are present in the water bodies can cause to create algae in the water. It reduces the water quality and affects the aquatic animals and plants by reducing the oxygen level.

  • Waste heat from industries:

Pouring of waste heat from industries directly into the water can affect aquatic life.

Preventive measures of water pollution

Water pollution can be reduced by following the below measures.

Conserving water is our main aim. Water wastage must be prevented in every house and also in areas. Wastage of water becomes a serious issue nowadays.

  • Sewage treatment:

Treatment of sewage is another measure to reduce pollution of water. Many industries must remove the toxicants and dangerous chemicals before pouring into the water.

  • Proper usage of chemicals on agricultural fields:

Farmers must follow the Government instructions to minimize water pollution. They must reduce the usage of chemicals on farms or they may be use chemicals properly without spilling into the water.

  • Educating people about water pollution:

It is a very important thing to educate people about water pollution and how dangerous it is. People may stop pouring of household waste in water bodies.

  • Media Involvement:

Advertising about the significance of water in TV’s and radios may help to reduce the pollution of water. People start to conserve water.


We can’t leave without water. Water is necessary for life in every moment. Everyone has a great responsibility to reduce pollution of water. Human activities are the main sources of pollution of water like Sewage, industrial effluents, oil leakage, agrochemicals, etc.

FAQ- Questions on water pollution

1.What is water pollution?

Ans:- Water pollution can be defined as an alteration in the physical, chemical, and biological characteristics of water, making it unsuitable for designated use in its natural state.

2. What are the causes of water pollution?

Ans:- There are many causes of water pollution. They are;
Domestic waste
Industrial effluents
Oil leakage
Waste heat from industries

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