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Essay on Water for Children and Students

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Water is a colourless and odourless substance that is essential for the survival of the living beings. It is derived from various sources including rivers, lakes, oceans and streams and has several uses.

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Target Exam ---

Water constitutes of almost 71% of the Earth’s surface. On earth, it moves constantly via water cycle. This is the cycle of evaporation and transpiration, precipitation, condensation and runoff. Water is used in numerous ways and is vital to all living beings. Here are essays on water of varying lengths to help you with the topic in your exam. You can select any water essay according to your need.

Also Check: Essay on Environment

Long and Short Essay on Water in English

Essay on water 200 words.

Water, known to be the universal solvent, plays a key role in the survival of various forms of life on earth. It is used for various purposes such as drinking, cleaning, cooking, washing and bathing. Besides these domestic uses, major amount of water is used in the agricultural sector mainly for the purpose of irrigation. A substantial amount of this substance is also used in the industrial sector.

However, unfortunately despite being aware about the importance of water in our lives, people around the world are leaving no stone unturned in wasting water and deteriorating its quality. The techniques used for irrigation in many parts of the world including India are old and mundane and often cause immense loss of water. Several industries make use of a good amount of water however they end up throwing their waste in water bodies without realizing that the deterioration of water will ultimately lead to their own loss.

Also Check: Water Pollution

Many areas around the world are facing water deficit and many more are likely to face this problem in the times to come. It is time the government must take effective measures to store and save water and channelize it properly for appropriate distribution. The general public must also be sensitized on efficient use of water.

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Essay on Water 300 Words

Water is one such substance without which we cannot imagine our life. Besides, quenching our thirst, this transparent chemical substance is used for several other purposes. It is used to accomplish several household tasks. Water is also used for agricultural purpose and is needed for industrial use. Here is a brief look at how it is used at different places.

Agricultural Use

It accounts for around 70% of the water used around the world. In agriculture, water is mainly used for the purpose of irrigation. In addition to this, it is also used for the raring of the livestock. Most of the water used for irrigation is extracted from rivers. Groundwater is also used for this purpose.

Rivers are thus said to be of great importance for the farmers. Not only do they provide water for irrigation but they also play a vital part in the water cycle.

Industrial Use

Industrial use of water includes water used for the purpose of washing, diluting, cooling, transporting, fabricating, manufacturing and processing of various products. Thermal power plants, engineering and pulp and paper industries are among the one that consume the maximum amount of water.

Domestic Use

At home water is used for many purposes. This mainly includes drinking, cooking, bathing, washing utensils, washing clothes, cleaning houses, cars and other vehicles, watering plants and for the purpose of sanitation.

Also Check: World Water Day

Each country has its own system of water supply to ensure water reaches every household so that the aforementioned basic needs of its citizens are met. While water is used as it is for cleaning, washing and bathing purpose, it needs to be purified before drinking as well as prior to using it for the purpose of cooking.

Water is vital for the survival of the mankind. However, unfortunately it is being wasted at a rapid speed around the world. Everyone should contribute his/her bit towards saving water.

Essay on Water 400 Words

Water is derived from various sources. Rivers, lakes, seas, oceans and rain are known to be some of the main sources of water. This free flowing and readily available colourless, odourless substance is needed for domestic, agricultural as well as industrial use.

Sources of Water

The sources of water are mainly divided into two categories – Surface Water and Ground Water. Rain water pours and collects on earth in the form of surface water as well as ground water. Here is a brief look at both these sources of water:

  • Surface Water : It is found in rivers, lakes, reservoirs, streams, seas and other such sources. The water in lakes and rivers comes from rain and the melting of snow. The river water flows into the sea.
  • Ground Water : It is found under the land. Water travels under the surface of the land by way of soil on the non-porous rocks and fills the opening in these rocks. The rocks that store and send out groundwater are known as aquifers. At times, the water stored in these rocks bursts in the form of springs due to high pressure. Ground water is also extracted by digging wells and tube wells.

Also Check: Essay on Importance of Water

Water Available for Human Use

Our planet is rich in water with around three-fourth of its surface being covered with water. However, only a small part (just about 2.7%) of the total resources of water is available for the human use.

Around 97.3% of water on earth forms a part of the oceans. It is salty and cannot be used for the purpose of irrigation or any other agricultural use. It is not even good for industrial or domestic use. Out of the 2.7% fresh water available on earth, the inland surface water that is the water available from sources such as rivers, lakes and ponds accounts for just about 0.02%. This water is crucial for the growth and survival of all forms of terrestrial and freshwater aquatic beings.

It is thus important to use it wisely. This point is emphasized time and again. However, its criticality is not yet recognized by the people. It is essential to understand the importance of saving water else we will have to learn it the hard way.

Many areas around the world get sufficient water supply. However, several others, especially those that are a part of the developing countries, face water deficit. The government of such countries must ensure proper supply of water to various areas and the people must use water wisely and avoid any kind of wastage to ensure the flow.

Essay on Water 500 Words

Water (chemical formula H 2 O) is a transparent chemical substance. It is one of the basic necessities for every living being be it plants or animals. Just as air, sunlight and food, water is needed for the proper growth and development of life on earth. Besides quenching our thirst, water is used for numerous other activities such as cleaning, washing and cooking to name a few.

Properties of Water

Water is mainly known for five of its properties. Here is a brief about these properties:

  • Cohesion and Adhesion

Cohesion, also referred to as water’s attraction to other water molecules, is one of the main properties of water. It is the polarity of water by way of which it is attracted to other water molecules. The hydrogen bonds present in water hold the water molecules together.

Adhesion is basically water’s attraction between molecules of varied substances. This substance bonds with any molecule it can form hydrogen bonds with.

  • Lower Density of Ice

The hydrogen bonds of water turn into ice when cooled down. The hydrogen bonds are stable and maintain their crystal like shape. The solid form of water which is ice is comparatively less dense as its hydrogen bonds are spaced out.

  • Water’s High Polarity

Water has high level of polarity. It is known to be a polar molecule. It is attracted to other polar molecules and ions. It can make hydrogen bonds and is thus a powerful solvent.

  • Water’s High-Specific Heat

Water can moderate temperature owing to its high specific heat. It takes a long time when it comes to heating up. It holds its temperature for long when heat is not applied.

  • Water’s High Heat of Evaporation

This is another property of water that renders it the ability to moderate temperature. As the water evaporates off a surface it leaves a cooling effect on the same.

Avoid Wastage of Water

Water is required for most of the activities we indulge in our day-to-day life. It is necessary for us to conserve it else our planet will be devoid of fresh water in the years to come. Here are a few ways in which water can be conserved:

  • Fix leaking taps immediately to avoid wastage of water without any delay.
  • Avoid the use of shower while bathing.
  • Keep your tap off while brushing your teeth. Turn it on only when required.
  • Wash full loads of laundry instead of half. This will not only save water but save a substantial amount of electricity too.
  • Do not leave the water running while washing dishes.
  • Use rainwater harvesting system.
  • Avoid using water hose for cleaning gutters. You can use brooms or other techniques instead.
  • Use the right size of pans and other dishes while cooking and eating food. Avoid using those bigger than your requirement.
  • Try to water your plants by hand rather than using sprinklers.
  • Cover the pools so as to avoid water loss due to evaporation.

We must not waste water and contribute our bit towards its conservation. We must practice and promote activities and plans that help in conserving water and protecting its sources to meet the current and future demands of living beings.

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Essay on Water 600 Words

Water is the most common liquid found on our planet. It is vital for the survival of every living being. Around 71.4% of Earth is covered with water. However, while most part of our planet is covered with water, fresh water that can actually be used for drinking, cooking and other activities is quite less. It is thus important to use this substance wisely.

Different Forms of Water

Water is present in three different forms on Earth – Solid, Liquid and Gas. Here is a brief look at these forms:

Solid : Water freezes at 0 degree to form ice which is its solid state. As water freezes, its molecules move apart and this makes ice less dense compared to water in its liquid state. This means that ice is lighter than the same volume of water in its liquid state. It can thus float on water.

Liquid : This is the most common form of water. Water in its liquid state is used in several ways including drinking, washing, cleaning, cooking, irrigating fields and processing and preparing various products in industries.

Gas : As water boils, it changes from liquid to gas, often referred to as water vapour. Vapours are always present around us. When the water vapours cool, they form a cloud.

What is Water Cycle?

Water cycle is the term given to the circulation of water on, below or above the Earth’s surface. It is the process wherein water circulates between land, oceans and atmosphere. This involves precipitation, snowfall, drainage in rivers, lakes and streams and its return to atmosphere by way of evaporation and transpiration. Water cycle is also referred to as hydrological cycle.

Water Scarcity in India

Like most of the other developing countries, many parts of India also face scarcity of water. People in the country do not get clean water for drinking and there is water deficit for the purpose of sanitization as well. None of the cities in the country receives piped water 24/ 7. It is supplied for just a few hours each day mostly for a couple of hours in the morning and an hour or two in the evening. The quality of water has deteriorated in most of the water bodies in the country. This is because of the discharge of industrial and domestic waste in water.

The scarcity of fresh water in the country is often attributed to lack of proper planning at the government’s end, corruption, increased rate of corporate privatization and increasing amount of human and industrial waste that is discarded into water. The situation is expected to worsen in the times to come as the population of the country is likely to increase to 1.6 billion by 2050.

Here is a look at some of the other causes of water scarcity in India:

  • Traditional techniques of irrigation employed in our country cause a lot of water loss.
  • Lack of proper planning and distribution of water among domestic consumers, agricultural sector and industrial sector.
  • Decline in traditional water recharging areas.
  • Urban development has choked the ground water resources.
  • Increasing number of recreational activities associated with water.

While water is available on earth in abundance, it needs to be understood that the amount that can be put to use for various domestic, agricultural and industrial use is limited. It is essential to use it wisely so as to ensure it reaches every one and is also available in abundance for our coming generations. The government must employ effective techniques to save water and distribute it evenly in various areas across the country. The general public on the other hand must use it wisely to ensure that it is not wasted.

Related Topics to Save Water

Essay on Water FAQs

Why is water important.

Water is essential for life as it hydrates our body. It helps in digestion and regulates body temperature. Water supports cell function and blood circulation. It aids in nutrient transportation within the body. Water acts as a lubricant for joints and tissues. It helps remove waste and toxins from the body. Water is crucial for brain function and concentration. It supports healthy skin and prevents dehydration. Water is necessary for the growth of plants and crops. It plays a key role in various industries and daily activities.

How do you write a water essay?

Start with an introduction about the importance of water. Discuss the various uses and benefits of water. Explain its role in human health and ecosystem. Include facts, statistics, and real-life examples. Conclude by emphasizing the necessity of conserving water. What is water? A short paragraph: Water is a transparent, tasteless, and odorless substance that is essential for all forms of life. It covers about 71% of the Earth's surface and exists in three states: liquid, solid (ice), and gas (water vapor). Water plays a vital role in various natural processes, including weather patterns, nutrient cycles, and habitat maintenance.

What are the uses of water?

Water is used for drinking and quenching thirst. It is essential for cooking, cleaning, and personal hygiene. Water is used in agriculture for irrigation and crop production. It plays a key role in generating hydroelectric power. Water is used in industries for manufacturing and cooling purposes.

Why is water so important to our life?

Water is vital for our survival as it hydrates our body, supports cell functions, and regulates body temperature. It plays a key role in digestion, nutrient transportation, and waste removal. Additionally, water promotes overall health, supports brain function, and maintains healthy skin. Furthermore, water is essential for agriculture, industry, and energy production, making it indispensable for human civilization and ecosystem balance. In summary, water is a precious resource that is fundamental to life, health, and the sustainability of our planet.

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Essay on Importance of Water

Water is a non-renewable resource that is necessary for the survival of all living things.

Do you know, what is the rarest thing that can be found in the universe? The one thing that definitely falls into that category is water. “Water” is a word that we all are familiar with. We use this word several times a day. Not only we just do use this word but also we do use water many times in our daily life. We all understand the necessity of water for us. Therefore, today we will discuss the Importance of Water in detail.

Short and Long Importance of Water Essays in English

Here, I’m providing various essays on Importance of Water for school/college students under different word limits of 100 – 150 Words, 200 – 250 words and 500 – 600 words. These essays will be useful for students of all the classes to write effective essays and paragraphs on this topic. However, it is helpful for every individual to understand the importance of water in our life.

Importance of Water Essay 10 Lines (100 – 150 Words)

1) Water is very necessary to nourish life on Earth.

2) It is important for satisfying our thirst.

3) Around 70% of our body is made up of water.

4) Water is important for carrying out households activities.

5) Water is very necessary for agriculture.

6) Polluted water is very harmful to human health.

7) Fresh water is limited on Earth so we must conserve it.

8) Water is essential for the survival of every living creature.

9) Lakes, rivers, oceans, etc are the major sources of water.

10) We should save water for today as well as for better tomorrow.

Short Essay on Importance of Water (200 – 250 Words)

Life on Earth cannot be imagined without water. Although the planet earth has an abundance of water, there is only a small percent of this water that is actually useful. In fact, most of it cannot even be accessed. There is nothing more valuable than water on this earth. In our daily lives, water is one of the most important things.

We can benefit from it in a lot of ways. From brushing to bathing, all the activities involve the use of water. A lot of illnesses are caused by dirty and insufficient water intake, for instance, kidney stones, urinary tract infections, and many more. In order to maintain good physical health and fitness, we must consume the right amount and good quality of water. Water is equally important for all the creatures on Earth. However, many aquatic animals are completely dependent on water because water is the home for them.

It has been used by humans in such a way that it seems to be free to us. It is free because its real value cannot be determined using any currency at all. Taking water conservation seriously is one of the most important things we need to do. It is high time we begin to use water wisely and limit the activities that pollute it so that it will last longer.

Long Essay on Importance of Water (500 – 600 Words)

Introduction

As one of the most essential substances on Earth, water plays a vital role in our daily lives. It is no wonder that the Earth (also referred to as the blue planet) is filled with such an abundance of water. It has been estimated that two-thirds of the Earth is covered in water. However, only a small part of this is freshwater that can be used by humans since it is safe for consumption. There is only one universal solvent and that is water. Although there is no taste, no color, no odor, and yet despite its unattractive qualities, it gives us life and makes our existence possible on this planet.

Water: Supporting Lives on Earth

The most important thing in life is water. Life is made possible only by water and it is one of the most precious, essential, and important resources on the planet earth.

There is a possibility that we may be able to survive without any food for a week, however, if we are without water, we may not be able to survive for even three days. A large number of aquatic animals call it home. Whether it is a tiny insect or a whale, every organism requires water to keep itself alive. A healthy ecosystem also depends on the water cycle in order to maintain a balance. In addition to being essential for our survival, water plays a crucial role in maintaining a healthy and happy life as well.

Water: Unlimited Use

In our daily lives, water is useful to us in a number of ways in a variety of situations. Every aspect of our daily living involves the use of water, including drinking, washing, cooking, bathing, cleaning, and so on. To avoid dehydration, it is important to drink plenty of water throughout the day. There are many hydroelectric power stations all over the world that use this water energy to generate electricity.

On a large scale, the industries are responsible for consuming a great deal of water. It is an essential component of the production of the goods we use on a daily basis. Water also serves as a means of transferring goods. In order to irrigate crops and grow a variety of products, water is being used in many different ways. For the proper operation of fish farms, dairy farms, as well as many other non-farming operations, water is absolutely essential.

Water: Life without Water

People in countries with insufficient water, such as those in Africa, lead miserable lives due to a lack of access to water. It can be predicted that if the earth does not receive water, all of the vegetation will die and the land will become barren. There will come a time when all forms of living organisms will become extinct. There will soon be a discontinuity in the occurrence of different seasons. As a result, there would be an end to the existence of life on this planet.

There are several ways in which we use water during the course of our daily lives. Unfortunately, we aren’t using it as efficiently as we should. The amount of water that we waste is more than what we use. This is the reason why the amount of water on earth is decreasing at an alarming rate. By being more responsible and avoiding water waste at the individual level, we can ensure that our future generation will be able to make the best use of this valuable natural resource.

I hope the above given essays on the Importance of Water will be helpful in understanding the significance as well as the need to conserve water.

FAQs: Frequently Asked Questions on the Importance of Water

Ans. 22 March is observed as World Water Day.

Ans. Qatar, Libya, Eritrea, Ethiopia, etc are at risk of water shortage.

Ans. Most of the Earth’s water (about 96.5) is in the oceans.

Ans. Some sources of water are reservoirs, rivers, lakes, groundwater, etc.

Related Information:

Essay on Conservation of Water

Essay on Conservation of Natural Resources

Essay on Conservation of Wildlife

Essay on World Nature Conservation Day

Essay on Conservation of Environment

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  • Water Pollution

Water is necessary for living beings. All of us need water in order to survive.

Many of you must be drinking water that comes from water purifier. Water purifiers have become a necessity because of high level of pollutants in water.

In this lesson, you will read about causes and effects of water pollution and about prevention of water pollution.

Addition of unwanted substances in water which makes water harmful for living beings and non-living things is called water pollution.

Water Pollutants: Substances which contaminate water are called water pollutants.

Pollution of Ganga

Ganga is an important river for a large section of people of India because millions of people depend on this river for their livelihood. Moreover, Ganga is considered to be a sacred river by majority of people in India.

As per a recent study by World Wide Fund for Nature (WWF), Ganga is one of the most polluted rivers.

Some of the causes of pollution of this river are as follows:

  • Untreated sewage and effluents from cities are discharged into this river.
  • River is used by people for bathing and washing clothes, also for bathing their cattle.
  • Cremation of dead bodies on the banks of the Ganges is an age old practice, and this practice pollutes the river water.
  • Rivers are preferred for immersing idols, flower and many other leftovers of rituals and worships.
  • Many industrial towns are situated on the banks of this river, e.g. Kanpur.
  • There are about 5000 industrial units in Kanpur; which include fertilizer, tanneries and paint industries. These factories release harmful chemicals into this river.
  • Rampant use of weedicides, pesticides and chemical fertilizers pollute river water and groundwater.

Effects of Water Pollution:

Eutrophication: Enrichment of water body with nutrients is called eutrophication. It happens because of excess amount of chemicals in water. This results in proliferation of algae and other plants in water bodies with stagnant water. Once these plants die, they are consumed by decomposers. The process of decomposition utilizes most of the oxygen from water. This results in deficiency of oxygen for aquatic animals.

  • Contaminated water becomes unfit for consumption by humans and cattle.
  • It results in drastic reduction of fish population. Fall in fish population results in loss of livelihood for fishermen.
  • Water pollution results in increased cases of water borne diseases; like cholera, diarrhoea, jaundice, etc.
  • Presence of faecal matter results in high concentration of E.coli in water; which causes water borne diseases.
  • Contamination of groundwater results in high levels of toxic materials in fruits, vegetables and grains.
  • The pH and temperature of water increases because of untreated effluents from factories. This harms the aquatic plants and animals.

Potable Water

Water which is fit for drinking is called potable water. A quarter of the world’s population does not have access to safe drinking water.

Methods of Water Purification:

  • Municipal bodies purify water by various physical and chemical methods before supplying drinking water to households.
  • Filtration is a common method of purification of water. Various types of water filter are used in households.
  • Boiling is another common method of water purification. It kills the germs in water.
  • Chlorination also helps in killing the germs in water. Chlorine tablets are available for free at government hospitals.

How to Prevent Water Pollution:

  • Discharge of untreated sewage and effluents in water bodies should be strictly prohibited.
  • Every city should have a sewage treatment plant.
  • Public awareness about harms of idol immersion should be increased.
  • Traditional crematoriums should be replaced with electric crematoriums.

Conservation of Water

  • Water is a precious resource, and hence every step should be taken to conserve water.
  • We should follow the principles of three Rs, i.e. Reduce, Reuse and Recycle to conserve water.
  • We should make changes in our lifestyle to prevent wastage of water.
  • Leaking taps should be immediately repaired.
  • Using a bucket instead of shower for a bath helps in saving water.
  • Water left after washing clothes and vegetables should be reused for mopping and for washing cars and scooters.
  • Sewage water should be purified so that it can be used again.
  • Air Pollution
  • NCERT Solution
  • Extra Question 1
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  • Water Pollution Essay

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Water Pollution and How it Harms the Environment

Global pollution is a problem. Pollution can spread to remote areas where no one lives, despite the fact that urban areas are typically more polluted than the countryside. Air pollution, water pollution, and land pollution are the three main categories of pollution. Some contaminated water has a terrible smell, a muddy appearance, and floating trash. Some contaminated water appears clean, but it contains dangerous substances that you can't see or smell.

Together, developed and developing nations must fight to conserve the environment for present and future generations. Today, we dig deep into the subject of Water Pollution. This article can be an introduction to water pollution for kids as we will read many things such as the causes of water pollution further in the article.

What is Water Pollution?

Water contamination occurs when pollutants pollute water sources and make the water unfit for use in drinking, cooking, cleaning, swimming, and other activities. Chemicals, garbage, bacteria, and parasites are examples of pollutants. Water is eventually damaged by all types of pollution. Lakes and oceans become contaminated by air pollution. Land contamination may contaminate an underground stream, a river, and ultimately the ocean. As a result, trash thrown on an empty lot can eventually contaminate a water source.

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Water Pollution

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The water cycle, called  the hydrological cycle, involves the following steps:

Evaporation- Because of the sun's heat, the water bodies such as oceans, lakes, seas etc., get heated up, and water evaporates in the air, forming water vapours.

Transpiration- Like evaporation, the plants and trees also lose water from them which goes to the atmosphere. This process is called transpiration.

Condensation- As the water evaporates, it starts to become cool because of the cold atmosphere in the air and because of this cooling down of water leads to the formation of clouds.

Precipitation- Because of the high movements of the wings, the clouds start to collide and then fall back to the earth’s surface in the form of rain. Sometimes they also fall back in the form of snow, hail, sleet etc., depending upon the temperature.

Runoff or Infiltration- After precipitation, the water either flows to the water bodies called runoff or is absorbed into the soil, called infiltration.

Causes of Water Pollution

There are many reasons for water pollution. Some of the reasons are directly affected by water pollution and some indirectly. Many factories and industries are dumping contaminated water, chemicals, and heavy metals into major waterways as a result of direct water pollution. 

One more reason for water pollution is the use of modern techniques in farms. Farmers apply nutrients such as phosphorus, nitrogen, and potassium in the form of chemical fertilizers, manure, and sludge. It causes farms to discharge large quantities of agrochemicals, organic matter, and saline drainage into water bodies. It indirectly affects water pollution.

Pollutants can be of various types such as organic, inorganic, radioactive etc. Water pollutants are discharged either from one point from pipes, channels etc., which are called point sources or from various other sources. They can be agricultural areas, industries etc., called dispersed sources. 

Some of the major forms of water pollutants are as follows:

Sewage- Domestic sewage from homes contains various forms of pathogens that threaten the human body. Sewage treatment reduces the risk of pathogens, but this risk is not eliminated. 

Domestic sewage majorly contains nitrates and phosphates, and excess of these substances allows the algae to grow on the surface of water bodies. Due to this, the clean water bodies become nutrient-rich water body and then slowly, the oxygen level of water bodies reduces. This is called eutrophication or cultural eutrophication (if this step rapidly takes place by the activities of humans). This leads to the early death of water bodies.

Toxins- The industrial or factory wastes that are not disposed of properly and contain chemicals such as mercury and lead are disposed of in the water bodies making the bodies toxic, radioactive, explosive and cancerous.

Sediments- Sediments are the result of soil erosion that is formed in the water bodies. These sediments imbalances the water bodies ecologically. They also interfere in the reproductive cycle of various aquatic animals living in the water.

Thermal pollution- Water bodies get polluted because of heat, and excess heat reduces the oxygen level of the water bodies. Some of the species of fish cannot live in such water bodies with very low oxygen levels. The disposal of cold waters from the power plants leads to increased thermal pollution in the water bodies.

Petroleum oil pollution- The runoff of oil into the water bodies, either accidentally as happened in 2010 in the Gulf of Mexico, or intentionally, leads to an increase in water pollution.

As water is an important element of human health, polluted water directly affects the human body. Water pollution causes various diseases like typhoid, cholera, hepatitis, cancer, etc. Water pollution damages the plants and aquatic animals present in the river by reducing the oxygen content from the water. Polluted water washes the essential nutrients which plants need out of the soil and also leaves large amounts of aluminium in the soil, which can be harmful to plants. 

Wastewater and sewage are a by-product of daily life and thus produced by each household through various activities like using soap, toilets, and detergents. Such sewage contains chemicals and bacteria which are harmful to human life and environmental health. Water pollution also leads to an imbalance in our ecosystem. Lastly, it also affects the food chain as the toxins in the water bodies are consumed by aquatic animals like fish, crabs etc., and then humans consume those animals forming turmoil. 

Sometimes our tradition also becomes a cause for water pollution. Some people throw the statues of deities, flowers, pots, and ashes in rivers.

There are various standards to define water quality standards. Water meant for swimming may not be clean enough for drinking, or water meant for bathing may not be good for cooking. Therefore, there are different water standards for defined:

Stream standards- Standards that define streams, lakes, oceans or seas based on their maximum use.

Effluent standards- Define the specific standards for the level of contaminants or effluents allowed during the final discharge of those into the water bodies.

Drinking water standards- Define the level of contamination allowed in water that will be supplied for drinking or cooking in the domestic areas.

Different countries regulate their water quality standards through different acts and amendments.

While many of the solutions for water pollution need to be applied on a broader macro-level for that individual, companies, and communities can have a significant and responsible impact on the water quality. Companies, factories have to dispose of leftover chemicals and containers properly as per the product instructions. Farmers also have to reduce the use of nitrates and phosphates from fertilizers, pesticides, and contamination of groundwater. 

The Swachh Bharat Mission of the government had led to reduced groundwater contamination. Under the Namami Ganga program, the government has initiated several major projects to clean Ganga. Along with all these steps, conservation of water is the very basic and important step towards water conservation and should be followed globally, treatment of sewage before their disposal in the water bodies and using environment-friendly products that do not form toxins when dissolved in water. These are some small steps that have to be taken into consideration by every human being.

As we all know, “Water is life’s matter and matrix, mother and medium. There is no life without water.” We have to save water. We must keep the water clean. If everyone will follow their responsibility against water to protect it from getting polluted then it will be easy to get clean and healthy drinking water. Clean water is a must for us and our kids' present, future, and healthy environment. 

We cannot just live with contaminated waters filled with toxins and no oxygen. We cannot see our wildlife being destroyed and therefore, immediate steps have to be taken by groups of people to first clean the already contaminated water bodies and then keep a check on all the surrounding water bodies. Small steps by every individual can make a huge difference in controlling water pollution.

Water Pollution Prevention

Conserve Water 

Our first priority should be to conserve water. Water wasting could be a big problem for the entire world, but we are just now becoming aware of it.

Sewage Treatment 

Cleaning up waste materials before disposing of them in waterways reduces pollution on a large scale. By lowering its dangerous elements, this wastewater will be used in other sectors or in agriculture.

Usage of Eco-Friendly Materials

We will reduce the amount of pollution produced by choosing soluble products that do not alter to become pollutants.

Water contamination is the discharge of pollutants into the water body, where they dissolve, are suspended, are deposited on the bottom, and collect to the point where they hinder the aquatic ecosystem's ability to function. Water contamination is brought on by toxic compounds that easily dissolve and combine with it and come from factories, municipalities, and farms.

Healthy ecosystems depend on a complex network of organisms, including animals, plants, bacteria, and fungi, all of which interact with one another either directly or indirectly. In this article, we read about water pollution, its causes and prevention. With this, we have come to the end of our article, in case of any other doubts, feel free to ask in the comments.

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FAQs on Water Pollution Essay

1. What are the effects of water pollution?

Water pollution has a great impact on human health. Water pollution kills. It's been recorded that in 2015 nearly 1.8 million people died because of water pollution. People with low income are exposed to contaminated water coming out from the industries. Presence of disease causing pathogens in drinking water are the major cause of illness which includes cholera, giardia, and typhoid. Water pollution not only affects human health but also our environment by causing algal bloom in a lake or marine environment. Water pollution also causes eutrophication which suffocates plants and animals and thus causes dead zones. Chemicals and heavy metals from industrial and municipal wastewater contaminate waterways and harm aquatic life.

2. What are the causes of Water pollution?

Water being a universal solvent is vulnerable to pollution as it dissolves more substances than any other liquid on earth. Therefore, water is easily polluted. Toxic substances from farms, towns, and factories readily dissolve into water and mix with it, resulting in water pollution. Agricultural pollution is one of the major causes of contamination in rivers and streams. The use of excessive fertilizers, pesticides, and animal waste from farms and livestock operations lets the rain wash the nutrients and pathogens—such as bacteria and viruses—into our waterways. The other major cause of water pollution is used water,  termed as wastewater which comes from our sinks, showers, toilets and from commercial, industrial, and agricultural activities. It's been reported that the world's 80% wastewater flows back into the environment without being treated or reused. Oil spills and radioactive waste also cause water pollution to a great extent.

3. How to prevent water pollution?

It is important to keep our water bodies clean so we can take the following preventive measures to prevent from water pollution:

Chemicals like bleach, paint, paint thinner, ammonia, and many chemicals are becoming a serious problem. Dumping toxic chemicals down the drain or flushing them down the toilet can cause water pollution. Thus, proper disposal is important. Also, household chemicals need to be recycled.

Avoid buying products that contain persistent and dangerous chemicals. Buying non-toxic cleaners and biodegradable cleaners and pesticides cut down on water pollution.

Prevent from pouring fats or greasy substances down the drain as it might clog the drain resulting in the dumping of waste into yards or basement which can contaminate the local water bodies.

4. What is the role of medical institutions in polluting the water?

Pharmaceutical pollution affects aquatic life and thus there is a need to take preventive measures. Consumers are responsible for winding up pharmaceutical and personal care products in lakes, rivers, and streams. There's a lot of unused and expired medication that can potentially get into the water if not disposed of properly.

5. What are the major kinds of pollution?

The three main types of pollution are air pollution, water pollution or soil pollution. Some artificial pollution is also there, such as noise pollution. Factors leading to such pollution include:

Air Pollution: Industrial emissions, fires, traffic and transportation, burning of chemical waste, etc.

Water Pollution: No proper sewage disposal, pesticides in farms leaking into water bodies, industrial waste dumped into water bodies, etc.

Soil Pollution:  Oil spills, acid rains, irresponsible disposal of trash, chemical waste, etc.

Noise Pollution: Honking of horns, construction activities, loud parties, etc.

  • ICSE Class 8
  • ICSE Class 8 Selina Solutions
  • ICSE Class 8 Chemistry Selina Solutions
  • ICSE Class 8 Chemistry Selina Solutions Chapter 8 Water

ICSE Selina Class 8 Chemistry Chapter 8 - Water Solutions

The ICSE Solutions of Selina publication for Class 8 Chemistry will provide you with an extra edge and boost your self-confidence during your final examinations. Instead of cramming the night before the exam, a regular revision is one of the best ways to strengthen and retain your concepts. Let us have a look at the chapters covered in this chapter:

  • A colourless and transparent chemical substance
  • Chemical formula – H2O
  • Made of two atoms of hydrogen and one atom of oxygen atom held together by covalent bonds.

States of water:

  • Solid-state = ice. At 0 o Celsius, water reaches its freezing point and forms ice.
  • Liquid state = water
  • Gaseous state = water vapour. At 100 o Celsius, water reaches its boiling point and forms water vapour.

Physical and Chemical Properties of Water:

  • High thermal conductivity
  • Universal solvent
  • Can form azeotropes with other solvents.
  • Low electrical conductivity, which can be improved by adding ionic substances that dissociate to give ions

Download ICSE Class 8 Chemistry Selina Solutions PDF for Chapter 8 – Water

Name the four main sources of water.

Oceans, Seas, Rivers and Lakes

State the importance of the water cycle in nature.

(i) Water cycle helps in regulating weather on the earth.

(ii) It makes water available in various forms on the earth.

Question 3.

Why is water very precious for all living beings?

Water is very important for the existence of life. Since life on the earth began in the oceans, and nothing can live on earth without water, so it is rightly called the source of life. Water forms a large part of the body mass of all living organisms -90% of human blood is water. Water has the ability to dissolve a number of substances. Therefore, it serves as the liquid medium in which all reactions within the living body take place. Fruits and vegetables contain water in them. Even dry-looking substances like wood, peas, beans, grams etc. contain some amount of water.

Question 4.

Name the two gases from which water is formed. What is the chemical composition of these two gases in the water? Give the molecular formula of water?

Oxygen and hydrogen are the gases from which water is formed.

The chemical composition of Hydrogen is H 2 and the chemical composition of Oxygen is O 2 and their proportion is 2:1

The molecular formula of water is H 2 O.

Question 5.

What is the effect on the boiling point of water when

(a) pressure is increased

The boiling point of water increases with an increase in pressure.

(b) impurity is added

Its freezing point is lowered by impurities and raises its boiling point. For example, salt is added to the ice to lower its melting point. Such a mixture is called a freezing-mixture which is about

Question 6.

Give reasons:

(a) Water is used as a cooling agent

Water is used as a cooling agent because of its high specific heat. Water neither heats up nor cools down quickly. This property makes water as an excellent cooling agent.

(b) Water pipes burst in severe winters.

Water pipes burst in severe winter because the water inside the pipes freezes and increases its volume.

(c) It is difficult to cook in hills compared to plains.

It is difficult to cook in hills compared to plains because the temperature is lower in the hills where the atmospheric pressure is lower than in the plains. So, cooking takes long time in hills as compared to plains.

(d) Ice floats on water.

Ice has a low density as compared to water. Water has a maximum density at 4°C. That is why ice floats on water.

(e) Seawater does not freeze at 0°C.

Seawater does not freeze at 0°C because there are impurities dissolved in seawater which increases the freezing point.

Question 7.

How does the anomalous expansion of water help aquatic organisms in cold climates?

The survivals of water animals in very cold climates is helped by the anomalous expansion. Initially, when the temperature of the waterfalls, it becomes heavier and sinks down. This process continues till 4°C. Then after this expansion takes place. The surface layer gets frozen. lce, being a bad conductor of heat, does not allow the loss of heat from the water below and results in the survival of water animals.

Exercise – II

Question 1.

Explain the terms:

(a) Solution

(c) Solvent.

(a) A homogeneous mixture of two or more substances can be varied is called a solution”

(b) A solute is a substance which dissolves in other substances to form a solution. The solute is smaller quantity in solution.

“Substance which is dissolved in solvent” is called the solute.

(c) Solvent: A solvent is a medium in which a solute dissolves. It is in large quantity in solution.

Solution = Solute + Solvent

What is meant by

(a) Unsaturated

(b) Saturated and

(c) Supersaturated solutions.

(a) An unsaturated solution is a solution in which more of the solute can be dissolved at a given temperature.

(b) A saturated solution is a solution that cannot dissolve any more of the solute at a given temperature.

(c) A supersaturated solution is a solution that contains more solute than it can hold at room temperature.

How do the solubility of a solid and a gas affected by –

(a) Increase in temperature

(b) Increase in pressure

(a) The solubility of a solid solute generally increases with an increase in temperature. This makes it possible to prepare supersaturated solutions. With an increase in temperature, the solubility of a gas decreases.

(b) In solubility of a solid (solute) in water, the pressure has practically no effect on it. In the case of gases, the amount of a gas dissolved in water increases with an increase in pressure.

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Class 8 - Concise Chemistry Selina

Name the four main sources of water.

The four main sources of water are:

  • Ocean and sea water
  • River and lake water
  • Spring and well water

State the importance of water cycle in nature.

The importance of water cycle in nature are:

  • It helps in regulating the climate on the earth.
  • It makes water available in various forms on the earth.

Why is water very precious for all living beings?

Water is very precious for all living beings due to the following reasons:

  • Water is the source of life. It is the most essential substance for the existence of life.
  • It is required for everyday uses like drinking, cleaning, bathing, washing etc.
  • It provides medium for all biochemical reactions inside our bodies to take place.
  • It regulates our body temperature through sweating and evaporation.
  • It is required for growing crops
  • It provides nutrients to aquatic plants and animals.
  • It helps in germination of seeds, growth of plants, photosynthesis.
  • It is used in various manufacturing processes.
  • It is used to generate electricity.
  • It plays an important role in controlling our earth's climate.

Name the two gases from which water is formed. What is the chemical composition of these two gases in water? Give the molecular formula of water.

Water is formed from hydrogen and oxygen gases. The chemical composition of hydrogen and oxygen gases is 1:8 ratio by mass or 2:1 by volume in water. The molecular formula of water is H 2 O.

How does anomalous expansion of water help the aquatic organisms in cold climates?

In lakes, as the temperature drops, the surface water cools, sinks and mixes with the deeper water, this process continues until the temperature reaches 4°C. Beyond that point, the surface water expands, becomes lighter and it does not sink. So, further cooling takes place only at the surface while temperature of lower layers of water does not change. The water at the surface freezes to form a layer of ice that insulates the deeper water and allows aquatic organisms to survive in the water beneath the ice.

Question 6a

Give reasons:

Water is used as a cooling agent.

Water has a high specific heat i.e., it needs a large amount of heat to become hot. Thus, water can absorb a lot of heat without much rise in its temperature. Hence, it is used as an excellent cooling agent.

Question 6b

Water pipes burst in severe winters.

During severe winters when temperature starts falling below 4°C, water in pipelines expands (due to property of anomalous expansion of water) and it exerts large pressure on the pipes causing them to burst.

Question 6c

It is difficult to cook in hills as compared to plains.

The boiling point of water decreases with a decrease in pressure. Therefore, water boils at a lower temperature (i.e., less than 100°C) in hilly areas where the atmospheric pressure is lower as compared to the plains. Due to this it takes a longer time to cook food making cooking difficult in hills.

Question 6d

Ice floats on water.

Density of ice is less than the density of water, so ice floats on water.

Question 6e

Sea water does not freeze at 0°C.

The presence of impurities in water lowers its freezing point. Sea water contains salt which lowers the freezing point of water. So sea water does not freeze at 0°C.

What is the effect on boiling point of water when:

(a) pressure is increased?

(b) impurity is added?

(a) When pressure is increased, boiling point of water is increased.

(b) When impurity is added, the boiling point of water increases.

Exercise II

Explain the terms:

(a) Solution

(c) Solvent

(a) A solution is a homogeneous mixture of two or more substances whose composition can be varied.

(b) A solute is a substance that dissolves in other substances. It is in a smaller quantity in the solution.

(c) A solvent is a medium in which a solute dissolves. It is in a larger quantity in a solution.

What is meant by:

(a) Unsaturated

(b) Saturated and

(c) Supersaturated solutions.

(a) A solution in which more of the solute can be dissolved at a given temperature is called an unsaturated solution.

(b) A solution that cannot dissolve any more of the solute at a given temperature is called a saturated solution.

(c) A saturated solution that contains more solute than it can hold at room temperature is called supersaturated solution.

How do the solubility of a solid and a gas gets affected by:

(a) Increase in temperature?

(b) Increase in pressure?

(a) Solubility of a solid generally increases with an increase in temperature. Solubility of a gas decreases with an increase in temperature.

(b) Pressure has practically no effect on the solubility of a solid in water. In the case of gases, the amount of a gas dissolved in water increases with an increase in pressure and decreases with a decrease in pressure.

Differentiate between:

(a) Solution and suspension

(b) Suspension and colloid

(a) Difference between Solution and suspension:

(b) Difference between Suspension and colloid:

Define water of crystallization. Give two examples with formulae.

The fixed amount of water which is in a loose chemical combination with one molecule of a substance in its crystal form is called water of crystallization.

The two examples are:

Give two examples for each of the following:

  • Hydrated substances
  • Crystalline anhydrous substances
  • Drying agents
  • Deliquescent substances
  • Efflorescent substances
  • Solvents other than water
  • Blue vitriol (CuSO 4 .5H 2 O), Washing soda (Na 2 CO 3 .10H 2 O)
  • Common salt (NaCl), Potassium nitrate (KNO 3 )
  • Quicklime (CaO), Anhydrous calcium chloride (CaCl 2 )
  • Caustic soda (NaOH), Magnesium chloride (MgCl 2 )
  • Washing soda (Na 2 CO 3 .10H 2 O), Glauber's salt (Na 2 SO 4 .10H 2 O)
  • Milk, blood
  • Alcohol, Carbon tetrachloride

What do you observe when:

(a) Blue vitriol is heated?

(b) Washing soda is exposed to air?

(c) Blue litmus solution is added to water?

(a) When blue vitriol is heated, it loses its water of crystallisation. The blue crystalline solid of copper sulphate turns into white amorphous (powder) solid and drops of colourless liquid (which is water) condense on the upper cooler parts of the test tube.

(b) When washing soda is exposed to air the white crystalline substance changes into white powder.

(c) There is no change in colour of blue litmus solution when added to water as pure water is neutral.

Question 8a

Give reason:

Silica gel pouches are kept in unused water bottles.

Silica gel is a drying agent which absorb moisture and keep things dry. So silica gel pouches are kept in unused water bottles.

Question 8b

Table salt becomes moist during rainy season.

Table salt contains impurities like magnesium chloride and calcium chloride which are deliquescent. They absorb water and become moist during rainy season.

Question 8c

On opening a bottle of cold drink, a fizz sound is heard.

Cold drinks bottles contain dissolved carbon dioxide under high pressure. On opening the bottle, the pressure decreases and the gas releases out producing a fizz sound.

Give balanced chemical equations for the reaction of water with:

(c) Carbon dioxide

(d) Sodium oxide

(a) 2Na + 2H 2 O ⟶ 2NaOH + H 2 (g)

(b) 3Fe + 4H 2 O ⇌ Fe 3 O 4 + 4H 2 (g)

(c) CO 2 + H 2 O ⟶ H 2 CO 3

(d) Na 2 O + H 2 O ⟶ 2NaOH

Question 10

What is metal activity series?

The reaction of metals with water under different conditions indicates the reactive nature of metals and enables us to arrange the metals on the basis of their reactivity which is called metal activity series.

Question 11

Name the gas produced when:

(a) steam is passed over hot coke.

(b) chlorine is dissolved in water and exposed to sunlight.

(c) a piece of calcium is added to water.

(d) when fossil fuel is burnt.

(a) Water gas [CO + H 2 ]

(b) Oxygen gas (O 2 )

(c) Hydrogen gas (H 2 )

(d) Carbon dioxide gas (CO 2 )

Exercise III

(a) Soft water

(b) Hard water

(a) Water which forms a lather with soap easily is called soft water.

(b) Water which does not forms a lather with soap easily rather forms a white sticky scum or precipitate is called hard water.

Question 2(a)

Name the compounds responsible for:

(i) temporary hardness

(ii) permanent hardness of water.

(i) Bicarbonates of calcium and magnesium

(ii) Sulphates and chlorides of calcium and magnesium

Question 2(b)

Suggest one method for the removal along with the reactions for

(ii) permanent hardness of water

(i) Boiling helps to remove the temporary hardness of water. When temporary hard water is boiled, the bicarbonates of calcium and magnesium break up to form their respective insoluble carbonates. These can be filtered out and the water becomes soft.

Ca(HCO 3 ) 2 → boiled \xrightarrow{\text{boiled}} boiled ​ CaCO 3 + H 2 O + CO 2 (g)

Mg(HCO 3 ) 2 → boiled \xrightarrow{\text{boiled}} boiled ​ MgCO 3 + H 2 O + CO 2 (g)

(ii) The permanent hardness of water is removed when it is treated with a small quantity of sodium carbonate. It reacts with soluble chlorides and sulphates of calcium and magnesium to form respective insoluble carbonates. These are filtered out and water becomes soft.

Na 2 CO 3 + CaSO 4 ⟶ CaCO 3 ↓ + Na 2 SO 4

Na 2 CO 3 + MgCl 2 ⟶ MgCO 3 ↓ + 2NaCl

What are the main causes of water pollution? How can it be controlled?

The main causes of water pollution are:

  • Chemical wastes from industrial and agricultural processes.
  • Thermal wastes from nuclear and thermal power plants.
  • Sewage and garbage disposed into water bodies.

It can be controlled by the following ways:

  • We should spread awareness and promote access to sanitation in rural areas and city slums to prevent open defecation.
  • Domestic sewage should be treated before being discharged into water bodies.
  • Waste products of industries should be treated before being discharged into water bodies.
  • Use non-biodegradable materials such as detergents, pesticides and polythene responsibly to avoid pollution of water and the environment.
  • Purification of water bodies should be done from time to time.
  • Washing of clothes, utensils, bathing of animals and human beings should be avoided in or near water sources.
  • Dead bodies of animals should be disposed off in a hygienic way.

Name three water borne diseases.

Typhoid, cholera, hepatitis are the three water borne diseases.

Question 5(a)

Alcohol is mixed with water and is used in car radiators.

Alcohol is mixed with water and is used in car radiators to prevent it from freezing in cold weather because presence of impurities in water lowers the freezing point.

Question 5(b)

Icebergs float on ocean water.

Density of ice is less than density of water, so icebergs float on water.

Question 5(c)

Carbonated drinks are bottled under high pressure.

The amount of gas dissolved in water increases with an increase in pressure. That is why carbonated drinks containing carbon dioxide are bottled under high pressure as they contain a large amount of gas dissolved in them.

Objective type questions

Fill in the blanks:

(a) Water has ..................... density and ................. volume at 4°C.

(b) Freezing mixture contains .................. and ................ .

(c) The solubility of a gas in water ................. with rise in temperature and ....................... with rise in pressure.

(d) ................... is the purest form of natural water.

(e) Use of excessive .................. by farmers causes water pollution.

(f) Boiling removes the ................... hardness of water.

(g) Water turns the colour of anhydrous copper sulphate ................... .

(h) The sticky substance formed when soap is added to hard water is ...................... .

(a) maximum, minimum

(b) salt, ice

(c) decreases, increases

(d) Rain water

(e) fertilizers

(f) temporary

Match the statements in column A with that in column B.

Give one word/words for the following statements:

(a) Water fit for human consumption.

(b) The harmful substances dissolved in water.

(c) The change of states of water from one form to another.

(d) The gaseous form of water found in air.

(e) A mixture of common salt and ice.

(f) A substance which does not contain water in its chemical structure.

(g) A property due to which a substance absorbs water without dissolving.

(h) Water molecules in loose chemical combination with other substances.

(a) Potable water

(b) Impurities

(c) Water cycle

(d) Water vapours

(e) Freezing mixture

(f) Anhydrous substance

(g) Hygroscopy

(h) Water of crystallisation

Question 4(a)

Two gases found dissolved in natural water are

oxygen and carbon dioxide

  • hydrogen and oxygen
  • sulphur dioxide and hydrogen
  • chlorine and ammonia

Reason — Rain water is the purest form of natural water which contains dissolved gases like oxygen, carbon dioxide, sulphur, nitrogen, oxides of nitrogen.

Question 4(b)

Temporary hardness of water can be removed by

  • none of the above

Reason — Boiling helps to remove the temporary hardness of water. When temporary hard water is boiled, the bicarbonates of calcium and magnesium break up to form their respective insoluble carbonates. These can be filtered out and the water becomes soft.

Question 4(c)

The ultimate source of all water on the earth is

  • oceans and seas
  • springs and wells
  • rivers and lakes

Reason — Rainwater is the ultimate source of all water on the earth.

Question 4(d)

Colloids have the particle size ranging between

10 -7 to 10 -10 m

  • 10 -10 to 10 -12 m
  • 10 -7 to 10 -5 m
  • 10 -12 to 10 -15 m

Reason — Colloids have the particle size ranging between 10 -7 to 10 -10 m.

Essay On Water Management

500 words essay on water management.

Water management refers to activities that plan, develop, distribute and manage the optimum use of water resources. Everyone can do this from local authorities to individuals at home. Good water management allows access to safe water for everyone. Through an essay on water management, we will go through it in detail.

essay on water management

Importance of Water Management

Water management impacts various aspects of our lives. As water is common, we do not think much of its management. But, if we ask the deprived people, they will know the importance of water management very well.

As we require drinking water, clean drinking water is a necessity. No human can survive without water. Further, we also need water management for cleaning and washing. For instance, we bathe, wash our clothes and utensils to maintain hygiene .

Further, agriculture requires water for growing the food that we eat every day. Thus, a good water supply becomes essential. Moreover, we also enjoy swimming, boating and other leisure activities in the water.

For instance, swimming pools and more. Thus, water needs to be managed so people can enjoy all this. Most importantly, water management ensures that our rivers and lakes do not contaminate. Thus, it helps maintain biodiversity.

Ways of Water Management

There are various ways available through which we can manage water. The major ways of water management include recycling and treating wastewater. When we treat wastewater , it becomes safe to be piped back to our homes.

Thus, we use it for drinking, washing and more. In addition, an irrigation system is a very good way of water management. It involves a good quality irrigation system which we can deploy for nourishing crops in drought-hit areas.

By managing these systems, we can ensure water does not go to waste and avoid unnecessarily depleting water supplies. Most importantly, conserving water is essential at every level.

Whether it is a big company or a small house, we all must practise water management. The big industries use gallons of water on a daily basis. At homes, we can conserve water by using it less.

Further, it also applies to our way of consumption of products. A large amount of water goes into the production of cars or a simple item like a shirt. Thus, we must not buy things unnecessarily but consciously.

It is also essential to care for natural supplies like lakes, rivers , seas and more. As you know, these ecosystems are home to a variety of organisms. Without its support, they will go extinct. Thus, water management becomes essential to ensure we are not polluting these resources.

It is also crucial to ensure that everyone gets access to enough water. Some parts of the world are completely deprived of clean water while some have it in abundance. This is unfair to those who do not get it which also causes many deaths. Thus, we need water management to avoid all this.

Get the huge list of more than 500 Essay Topics and Ideas

Conclusion of the Essay on Water Management

If we look at the current situation of water depletion, it is evident that we are in dire need of water management. We must come together to do our best to ensure that everyone is getting access to safe water daily so that we can lead happy lives.

FAQ of Essay on Water Management

Question 1: What is meant by water management?

Answer 1: Water management refers to the control and movement of water resources for minimizing damage to life and property. Moreover, it is to maximize effective beneficial use.

Question 2: What are the ways of water management?

Answer 2: There are numerous ways of water management. Some of them are the treatment of wastewater, deploying good irrigation methods, conserving water whenever possible. Further, we must also care for natural sources of water like rivers, seas, lakes and more.

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    Importance of Water Essay 10 Lines (100 - 150 Words) 1) Water is very necessary to nourish life on Earth. 2) It is important for satisfying our thirst. 3) Around 70% of our body is made up of water. 4) Water is important for carrying out households activities. 5) Water is very necessary for agriculture.

  14. Water Pollution and Conservation of Water Class 8 Science

    Conservation of Water. Water is a precious resource, and hence every step should be taken to conserve water. We should follow the principles of three Rs, i.e. Reduce, Reuse and Recycle to conserve water. We should make changes in our lifestyle to prevent wastage of water. Leaking taps should be immediately repaired.

  15. Water Pollution Essay for Students in English

    Water contamination occurs when pollutants pollute water sources and make the water unfit for use in drinking, cooking, cleaning, swimming, and other activities. Chemicals, garbage, bacteria, and parasites are examples of pollutants. Water is eventually damaged by all types of pollution. Lakes and oceans become contaminated by air pollution.

  16. Essay on Save Water for Students and Children

    Reason for Freshwater Shortage. The first reason can be too much wastage of freshwater and careless use of water on daily uses. Second can be the pollution from industries that adds untreated water to the rivers and lakes on a daily basis. The third reason can be pesticides and chemical fertilizers are also polluting the freshwater.

  17. ICSE Selina Class 8 Chemistry Chapter 8

    Download ICSE Class 8 Chemistry Selina Solutions PDF for Chapter 8 - Water. Question 1. Name the four main sources of water. Solution: Oceans, Seas, Rivers and Lakes. Question 2. State the importance of the water cycle in nature. Solution: (i) Water cycle helps in regulating weather on the earth.

  18. Chapter 8: Water

    Answer. 10 -7 to 10 -10 m. Reason — Colloids have the particle size ranging between 10 -7 to 10 -10 m. Get solutions of ICSE Class 8 Concise Chemistry Selina Chapter 8: Water. Clear your Chemistry doubts instantly & get more marks in Chemistry exam easily. Master the concepts with our detailed explanations & solutions.

  19. Essay On Water Management in English for Students

    Answer 2: There are numerous ways of water management. Some of them are the treatment of wastewater, deploying good irrigation methods, conserving water whenever possible. Further, we must also care for natural sources of water like rivers, seas, lakes and more. Share with friends. Previous.