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Essay on Rainwater Harvesting

Water is a precious resource that is indispensable for life on Earth. With the growing population and increasing demands for water, it becomes crucial to adopt sustainable methods to manage and conserve this vital resource. One such method that has gained prominence in recent years is rainwater harvesting.

What is Rainwater harvesting?

Rainwater harvesting is the process of collecting, storing, and using rainwater for various purposes. It involves the capture of rainfall from surfaces like rooftops, catchments, and other surfaces, and then directing it to storage tanks or reservoirs. This stored rainwater can be utilized for domestic, agricultural, and industrial purposes, providing a decentralized and eco-friendly water supply.

Rainwater Harvesting System Components

Catchment Area: This is the surface from which rainwater is collected. It is typically the roof of a house or any impermeable surface.
Gutters and Downspouts: These components help channel the rainwater from the catchment area to the storage facility.
Filter: Filters are used to remove debris, leaves, and other contaminants from the collected rainwater.
Storage Tank: The harvested rainwater is stored in tanks or reservoirs, preventing runoff and enabling its controlled use during dry periods.
First Flush Diverters: These devices divert the initial portion of rainwater, which may contain pollutants, away from the storage tank.

Advantages of Rainwater Harvesting

Water Conservation: Rainwater harvesting helps in conserving water resources by capturing and storing rainwater that would otherwise runoff and be wasted.
Groundwater Recharge: The process aids in replenishing groundwater levels, preventing the over-extraction of water from aquifers and promoting sustainable groundwater management.
Reduced Dependency on Municipal Supply: By utilizing harvested rainwater for domestic needs, there is reduced dependence on municipal water supplies, especially during water scarcity periods.
Mitigation of Flooding: Rainwater harvesting reduces surface runoff, mitigating the risk of flooding during heavy rainfall.
Cost-Efficiency: Once the initial investment is made in a rainwater harvesting system, the operational costs are relatively low, making it a cost-effective water management solution.
Challenges and Solutions: While rainwater harvesting offers numerous benefits, there are challenges to its widespread adoption. These include the initial cost of installing a harvesting system, the need for public awareness, and potential water quality concerns. Addressing these challenges requires incentivizing rainwater harvesting, providing financial support, and implementing proper filtration systems to ensure the stored water’s quality.

Rainwater Harvesting Facts

In 2001, Tamil Nadu became the first Indian state to make rainwater harvesting compulsory in every building.
In 2019, Government of India initiated Jal Shakti Abhiyan (JSA), extending into 2021 also to improve water availability including groundwater conditions in the country including Rajasthan, Delhi and Haryana.
“Jal Shakti Abhiyan: Catch the Rain” (JSA:CTR) was launched by the Hon’ble Prime Minister on March 22, 20221. In addition, under JSA:CTR, 10.65 Lakh water conservation/rain water harvesting works, 1.79 Lakh renovation works of traditional water bodies completed (as on 07.02.2022) in the country.
The various rainwater harvesting schemes in India are ‘Mukhyamantri Jal Swavlamban Abhiyan’ in Rajasthan, ‘Sujalam Sufalam Abhiyan’ in Gujarat, ‘Jalyukt Shibar’ in Maharashtra, ‘Mission Kakatiya’ in Telangana, Jal Jeevan Hariyali in Bihar, ‘Jal Hi Jeevan’ in Haryana, ‘Neeru Chettu’ in Andhra Pradesh, and Kudimaramath scheme in Tamil Nadu.

Rainwater Harvesting Challenges

While rainwater harvesting systems offer numerous advantages, it’s essential to consider potential disadvantages and challenges associated with their implementation:

Initial Cost: Installing a rainwater harvesting system can involve significant upfront costs, including the purchase of storage tanks, filtration systems, and associated infrastructure. This initial investment may be a barrier for some individuals or communities.
Space Requirements: Adequate space is needed for the installation of storage tanks and other components of the rainwater harvesting system. In urban areas or on small properties, finding sufficient space for these structures can be challenging.
Maintenance: Regular maintenance is essential to ensure the efficient functioning of rainwater harvesting systems. Filters need to be cleaned or replaced, and storage tanks should be periodically inspected for cleanliness and structural integrity. Neglecting maintenance can lead to contamination and reduced system effectiveness.
Water Quality Concerns: The quality of harvested rainwater may be influenced by the catchment surface (such as the roof), atmospheric pollutants, and contaminants present in the collection and storage system. Without proper filtration and maintenance, there is a risk of waterborne diseases and contamination.
Seasonal Dependence: Rainwater harvesting systems are highly dependent on seasonal rainfall. In regions with irregular or low rainfall, reliance solely on harvested rainwater may not provide a consistent and reliable water supply throughout the year.
Complexity for Large-Scale Use: Implementing rainwater harvesting on a large scale, such as for industrial or agricultural purposes, can be complex. It may require advanced infrastructure, increased storage capacity, and sophisticated filtration systems, making the system more challenging to design and maintain.
Freezing Concerns: In colder climates, the collected rainwater may freeze during winter, potentially causing damage to the storage tanks or distribution systems. Special measures need to be taken to prevent freezing and its associated complications.
Regulatory Challenges: Depending on local regulations, obtaining necessary permits for rainwater harvesting systems may pose a challenge. It’s essential to comply with local laws and standards to ensure the legal and safe implementation of these systems.
Limited Contribution to Groundwater Recharge: In some cases, the contribution of rainwater harvesting to recharging groundwater may be limited. The effectiveness depends on factors such as soil type, land use, and the permeability of the ground.
Public Awareness: Lack of awareness and understanding about the benefits of rainwater harvesting can be a hindrance. Public education is crucial for the widespread adoption of these systems.

Conclusion : Rainwater harvesting is a sustainable and eco-friendly solution to address water scarcity and promote responsible water management. Its implementation not only conserves water but also contributes to environmental sustainability. Governments, communities, and individuals must work together to promote and adopt rainwater harvesting practices, creating a water-secure and resilient future for generations to come.

Essay on Rainwater Harvesting (100 Words)

Rainwater harvesting is a sustainable practice capturing and storing rainwater for various uses. Various states have also implemented their rainwater harvesting schemes, contributing to water conservation efforts in India.

In 2001, Tamil Nadu became the first Indian state to mandate rainwater harvesting in all buildings. The Government of India’s Jal Shakti Abhiyan (JSA) aims to improve water availability and groundwater conditions, with “JSA: Catch the Rain” launched in 2021. Under this initiative, numerous water conservation and renovation projects have been completed nationwide.

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Essay on Rainwater Harvesting

Water is one of the most precious resources on our planet. It’s essential for our survival, but it’s also limited. That’s why it’s crucial to find ways to use water wisely and sustainably. One such way is through rainwater harvesting. In this essay, I will argue that rainwater harvesting is an eco-friendly and practical solution to conserve water and protect our environment.

What is Rainwater Harvesting?

Rainwater harvesting is the practice of collecting rainwater that falls on roofs, surfaces, or in specially designed tanks or barrels. This collected rainwater can be used for various purposes, such as watering plants, flushing toilets, or even for drinking after proper treatment.

Rainwater harvesting has been used for centuries in different parts of the world. In ancient civilizations, people built systems to capture and store rainwater because they understood the value of this precious resource.

Why is Rainwater Harvesting Important?

Rainwater harvesting is essential for several reasons. First, it helps conserve precious freshwater resources. In many places, there’s not enough freshwater to meet the demands of growing populations. By collecting rainwater, we reduce the strain on freshwater sources like rivers and lakes.

Second, it helps prevent flooding. When it rains heavily, stormwater runoff can overwhelm drainage systems and lead to flooding. Rainwater harvesting systems capture some of this excess water, reducing the risk of flooding.

The Environmental Benefits of Rainwater Harvesting

One of the significant benefits of rainwater harvesting is its positive impact on the environment. When we capture rainwater, we reduce the amount of water that flows into storm drains, carrying pollutants with it. This helps keep our rivers, lakes, and oceans cleaner.

Moreover, rainwater harvesting promotes biodiversity. By using collected rainwater for gardening and landscaping, we can create habitat spaces for various plants and animals. This contributes to a healthier ecosystem in our communities.

Economic Benefits of Rainwater Harvesting

Rainwater harvesting can also save money. When we use rainwater for activities like watering plants or flushing toilets, we reduce our reliance on treated tap water. This can result in lower water bills, especially in areas where water is expensive.

Additionally, rainwater harvesting can be a valuable resource during times of drought. Instead of relying solely on dwindling water supplies, communities with rainwater harvesting systems can tap into their stored rainwater, ensuring a more stable water source.

How Rainwater Harvesting Works

Rainwater harvesting systems come in various forms, but they all follow a basic process. Rainwater is collected from rooftops or other surfaces and directed into storage tanks or barrels. These containers are equipped with filters to remove debris, ensuring that the stored rainwater is clean and safe.

Once collected, the rainwater can be used for a wide range of purposes, from watering gardens to flushing toilets to washing clothes. Some advanced systems even include treatment processes to make the rainwater suitable for drinking.

Success Stories of Rainwater Harvesting

Around the world, many communities have embraced rainwater harvesting and reaped its benefits. For example, in parts of India where water scarcity is a significant issue, villages have implemented rainwater harvesting systems to ensure a reliable water source for drinking and farming.

In the United States, some cities offer incentives to homeowners who install rainwater harvesting systems. These incentives help promote the practice and reduce water consumption from municipal sources.

Conclusion of Essay on Rainwater Harvesting

In conclusion, rainwater harvesting is a practical and eco-friendly solution to conserve water, protect the environment, and save money. By capturing rainwater, we reduce the strain on freshwater resources, prevent flooding, and contribute to a healthier ecosystem.

Moreover, rainwater harvesting systems can offer economic benefits by lowering water bills and providing a backup water source during droughts. It’s a win-win for both the environment and our wallets.

So, let’s embrace the wonderful practice of rainwater harvesting and do our part to ensure a sustainable and water-wise future for ourselves and generations to come. Rainwater, after all, is a gift from the sky, and we should make the most of it.

Also Check: Simple Guide on How To Write An Essay

Rain Water Harvesting Essay

Rainwater harvesting involves the collection and storage of rainwater into the natural reservoirs or artificial reservoirs in order to prevent the surface water runoff.

Rainwater harvesting is a process of collecting and storing rain water for using it as a backup supply of fresh water to meet everyday domestic and agricultural requirements, especially when water becomes scarcely available. There are several methods by which we can collect rainwater flowing from our roof tops, ditches, gardens, fields, forests and other locations. These methods are discussed in detail in the following essays. Rainwater harvesting not only provides fresh water in difficult times but also prevent naturally occurring fresh water resources from drying up, by reducing the demand of water. Rainwater harvesting is the least we can do to maintain the supply of water and also to support life on earth.

Long and Short Essay on Rain Water Harvesting in English

We have provided variety of paragraph and essay on rain water harvesting under different words limit for the students. It is very important topic on which students may be assigned to write essay or paragraph on the rain water harvesting. You can select any rain water harvesting essay given below according to the need and requirement.

Rain Water Harvesting Essay 1 (100 words)

Rain water harvesting is a technique used for collecting and storing rainwater by using various means in different resources for the future use purpose (like cultivation, etc). Rain water can be collected into the natural reservoirs or artificial tanks. Another method of collection is infiltration of surface water into the subsurface aquifers before getting lost by surface overflow.

Rooftop harvesting is also a method to collect rainwater. It is of big importance to the people living in the less rainfall areas. They can continue seasonal crop harvesting using collected rain water even in the lack of regular water supply. Whenever it rains, rain water gets collected into the man made ponds or tanks.

Rain Water Harvesting Essay 2 (150 words)

Rain water harvesting is the collection of rainwater into the man made resources or any natural resource like pond, lake, etc at the same place where it falls from rooftops or ground. Two main techniques of rainwater harvesting are storage for future use and recharge into the ground. It can be used for crop harvesting, gardening, toilets, etc. Following are the benefits of rainwater harvesting at individual or city-wide level:

It helps in reducing the water supply bills especially to the institutions.
Rainwater recharged to the ground positively affects groundwater quality by diluting fluorides, nitrates and its salinity.
It contains almost neutral pH and zero hardness which makes it more able to be used in homes, industries, institutions and other commercial establishments.
It may reduce the stress of public water supply sources.
Recharge of rainwater to the ground prevents sea-water immersion into the fresh water bodies in the coastal areas.
It helps in controlling urban flooding if people do rainwater harvesting from rooftops.
It reduces water demands of people from the municipality thus lessens energy consumption too in distributing water all through the city.

Rain Water Harvesting Essay 3 (200 words)

Rainwater harvesting means collecting the rain water into the natural reservoirs or man-made tanks. It is the technique to collect and store rainwater for various purposes in the future. The most common and easy method of rain water harvesting is the rooftop harvesting. Using this technique we can collect lots of clean rain water in the rainy season. It can be stored for long time for the household purposes like gardening, livestock, and irrigation, etc. Following are benefits of rain water harvesting:

It helps in reducing water supply loads and electricity bills of municipality, improve free water supply, crop production in rural areas, and thus lead to food security.
Rain water harvesting system helps in reducing the insecurity of households or individuals in the rural areas.
It provides easy and low cost water supply in the lack of water areas thus helps in food security and income generation.

Tamil Nadu is one of the states of India and now has been first Indian state where rainwater harvesting has been mandatory. Tamil Nadu state government has declared on 30 th of May 2014 to establish around 50,000 rainwater harvesting structures at various places in the Chennai. Till now, approximately 4,000 of the temples in the Tamilnadu have rain water tanks serving at various rituals in temples and help in recharging the groundwater.

Rain Water Harvesting Essay 4 (250 words)

Every drop of rain water is like blessings of God to the people on the earth. Fresh rain water falls on the ground like pearls, so everyone should understand the importance of rain water especially in developing regions and rural areas lack of natural water resources.

We should try to collect rain water without wasting through rooftops and along streets run off. We should bring our old traditional harvesting practices using new and effective technologies to make easy water supply in all the regions. As only hand pumps, wells, and other resources of groundwater levels cannot fulfill the potable water need of hundreds of thousands of people.

Rainwater harvesting is the most sustainable and effective way for many years to make water available in the areas lacking water. Rainwater harvesting is very low cost method along with lots of benefits. It helps in various purposes like household works, field irrigation, livestock, agriculture and animal husbandry.

It helps in rejuvenating the groundwater levels in both directly and indirectly manner. Groundwater level can be replenished by rain water harvesting methods of trenches, anicut, dug wells, contour, etc whereas other rain water harvesting methods like underground water tanks, ponds, etc help in reducing the use of groundwater for at least four to six months. It is very effective in the hilly regions and desert regions of the India and other countries. More and clean rain water can be collected in the rainy season by making large and clean water body.

Rain Water Harvesting Essay 5 (300 words)

Now-a-days, people have been depended on the government system of water supply for getting water for their every need. The present scenario of water management and distribution in the cities has been centralized by the government which has brought a big gap of community responsibility in water management. It has slowly but regularly finished the old traditional water harvesting system.

Rainwater harvesting is again a new but old and effective technique of collecting rain water during rainy season for future usage purpose. It is being frequently used in various places of India to overcome the problems of lack of water. Rain water harvesting is the good source of ground water recharge in natural way.

However, the ground water level is getting less day by day because of the rapid urbanization and cities development at huge level as well as reduction in percolation of the rainwater to the ground. Rainwater harvesting is the way to reduce the use of ground water as well as maintain its level forever in the future. It is of more importance to the drought regions of India and other countries to supply the demands of water for various purposes. Following are mentioned points proving the fact why to harvest rainwater:

It plays great role in protecting the ground water decline and improving the ground water table.
It helps in improving the water quality in aquifers.
It is to conserve more water and prevent surface water runoff during the monsoon.
It helps in reducing the soil erosion.
It is to bring the old tradition of water conservation among people.

Rain water can be harvested in better way using following methods like surface runoff harvesting and roof top rainwater harvesting. Both are very effective methods help in enhancing the level of ground water and fulfill the need of water supply in easy and cost effective way.

Rain Water Harvesting Essay 6 (400 words)

Rainwater harvesting is the collection and storage of rain water in the natural resources or artificially designed resources to prevent water runoff and fulfill the lack of water in future. The quantity of water harvesting is affected by the number of factors like frequency of rainfall, quantity of rainfall, way of collecting rain water, and size of resources to collect water. The ground water level is getting depleted day by day due to various reasons like deforestation and ecological imbalance.

Increasing level of urbanization and industrialization constantly increases the demand of water supply especially in the urban areas. It results in the overuse of ground water and thus going low level. The risk of water scarcity in the future has been increased to a great extent and can be life threatening if some effective solutions are not followed.

Water harvesting is very helpful and fulfill various need like recharging the ground water level, reduces electricity bill spend in supplying water and provide easy water supply anytime when required. It is estimated that 1 meter rise in the water level saves around 0.4 KWH of electricity.

Why Rain Water Harvesting is Necessary:

Rain water harvesting is very necessary to be practiced by the people in all regions. It is good to reduce the fear of water scarcity in the future. Following are the points proving the fact that why rain water harvesting is necessary:

Surface water cannot fulfill the demand of water for various purposes.
Everyone depend on the ground water for their every need.
Deforestation, rapid urbanization, rain water infiltration to the sub-soil, etc reasons are continuously decreasing the level of ground water.
Rain water conservation maintains the level of water in natural water resources.
It reduces the chance of flooding of water on the roads, reduces the risk of soil erosion and improves the quality of water.

Following are main techniques of rain water harvesting:

Collecting rainwater to the surface for future use.
Recharging the ground water.

Collecting rain water to the surface is very effective and traditional technique. It can be done using small ponds, underground tanks, dams, weirs etc. However, ground water recharging technique is a new concept of harvesting. It can be done using dug wells, pits, trenches, hand pumps, recharge wells, recharge shafts, recharge lateral shafts with bore wells, spreading technique (means spread of water to the stream, nala, etc).

Rain Water Harvesting Essay 7 (800 words)

Introduction

Rainwater Harvesting is a method of storing rainwater, to be used in several domestic and agricultural activities. The basic idea is to not let the rainwater runoff and get wasted, rather to collect it by simple mechanism so that it can be used during scarcity of water. In the following essay we will explore the importance of rainwater harvesting, its methods and systems and how it is traditionally done in rural India. Below is a complete Essay on Rainwater Harvesting with Subheadings/Subtitles and Conclusion.

Rainwater Harvesting Methods/Rainwater Harvesting System

Primarily there are two types of rainwater harvesting methods as classified below-

1) Surface Runoff Harvesting

Surface runoff is a term used for precipitation that falls on the surface of earth and is subsequently lost to the environment. If elaborate arrangements are made to collect surface runoff water by providing it a path into a pond or tank; gallons of water could be stored to be used for several activities.

If designed efficiently, a system to collect surface runoff water can collect huge quantities of runoff from roads, parks, and gardens etc enough to sustain a small community or even a city. However, runoff water contains impurities; therefore, it must be passed through filtration process before it could be reused.

2) Roof Top Rainwater Harvesting

In roof top rainwater harvesting, the roof of a house or building functions as a catchment area for collecting rainwater. The water falling on the roof is diverted through a network or pipes to the desired pit or tank. It is by far the most economical and easy method of rainwater harvesting.

Houses or buildings with sloping roof can install gutters on the edges to collect the falling rain and to carry it to the destination using pipes or artificially created ditch. Though, care must be taken to flush out the water collected from first rain as it contains soluble impurities.

Rainwater Harvesting in India

In some places in India, still very traditional and ancient methods of rainwater harvesting are followed. These methods have proved successful in past and are still used in rural as well as urban India. Some of the significant traditional methods of rainwater harvesting in India are listed below-

This traditional method of rainwater harvesting is followed in tropical belt of southern states of Karnataka and Kerala. These regions are rich in laterite soil with naturally occurring depressions with three high sides. The three sides automatically function as the catchment area for collection of water in the depression. A small dam is constructed on the low lying fourth end of the depression to contain the runoff.

2) Surangaas

Surangas are traditional water harvesting system only used in Kasargod district of south Indian state of Kerala. The soil found in this region is hard laterite which is favorable for the construction of suranga (cave). Suranga is like a horizontal cave excavated in hilly terrain of the area, through which water oozes out and is thus collected in a pond. Though, this method is locally being used since centuries, it is sadly now gradually being replaced by bore wells.

Taankas are part of a traditional rainwater harvesting method practiced in the western state of Gujarat. Taankas are basically underground reservoirs with a capacity of storing thousands of liters of rainwater. Presently there are around ten thousand household in Gujarat’s capital city of Ahmadabad those are using taankas to meet their everyday water requirements. Water stored in a taanka is sealed against sunlight and therefore remains fresh for years.

Importance of Rainwater Harvesting

Rainwater harvesting provides an independent source of water supply during the scarcity of water. It becomes more valuable in context to the places where rain is scarce and uncertain. Also, in areas where fresh water is a costly commodity, preserving rain water is more economical option. Rain water thus preserved can be used to meet several household requirements like – washing and cleaning, gardening etc.

In case of unforeseen natural calamities like famine and droughts, rainwater harvesting might prove to be a blessing for the sufferers. Another significance of rain water harvesting is that it reduces the demand of water from other natural resources like wells, ponds and lakes, thus, preventing their depletion.

Water is most essential and precious resource, necessary for life on the planet. It can’t be wasted and every drop of it must be preserved to be reused in need. Rains on the other hand are vital source of fresh water, only if we have elaborate arrangements to collect it. Here, begins the concept of “Rainwater Harvesting”. Every year we lose thousands of liters of rainwater due to the lack of awareness about rainwater harvesting. It’s high time that we realize its usefulness to the nature and to the society as well and start implementing it in our house, buildings, parks, for a safe and water abundant future.

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Rainwater Harvesting: Methods, Importance, Conclusion

In this article, we have published an article on Rainwater Harvesting methods, Its history, importance, application, current status in India and conclusion.

Table of Contents

What is Rainwater Harvesting?

The accumulation and storage of rainwater to reuse at the site and not allowing to runoff is known as rainwater harvesting. We can collect it in many places like a river, roof, etc. and redirected to well, bore well, shaft, a reservoir with percolation, aquifer, etc.

We use it for watering of gardens, drinking for livestock, irrigation, domestic use with proper treatment. It is one of the oldest and simplest methods of supply of self-supply of water for households.

History of Rainwater Harvesting

Rainwater harvesting can be tracked to the Neolithic age, where the construction and use of waterproof receptacles to store rainwater were built on the floors of the houses and village location near the Mediterranean sea in the west, Arabian desert in the south and Mesopotamia in the east. By 4000 BC, cisterns were an essential part of managing the water requirement in the houses.

There are many examples like the Greek Island of Crete, which had such large cisterns for rainwater harvesting from 2600 BC to 1100 BC. Rainwater harvesting was frequent in the Roman Empire, and it expanded with the expansion of the empire. The Venice depended on rainwater harvesting.

New Approaches

Fresh approaches are being discovered for the rain harvesting like RainSaucer, which is like an upside-down umbrella. Here the rainwater is being collected straight from the sky. This reduces contamination and makes rain saucer potential applications for potable water in developing countries.

The GroasisWaterboxx, a Dutch Invention, is also useful for growing trees by using the harvested and stored rainwater and dew.

They build check dams across the streams to enhance the percolation of surface water into the subsoil strata. The percolation of water within the water-impounded area of the check dams is often artificially enhanced much fold by loosening the subsoil strata and overburden using ANFO explosives as utilised in open-cast mining. Thus, local aquifers are often recharged quickly using the surface water fully to be used within the season.

One of the primary purposes of rainwater harvesting is to use locally available rainwater to meet the water requirements throughout the year without the massive need for capital expenditure.

Good quality water resource, closer to populated areas, are becoming scarce and dear for the consumers. To solar and wind energy, rainwater is a primary natural resource of any land. The vast area is being covered by solar PV panels per annum of all parts of the planet.

Solar panels also can be used for harvesting most of the rainwater falling on them, and drinking quality water, free from bacteria and suspended matter, are often generated by simple filtration and disinfection processes as rainwater is low in salinity.

Recently cost-effective Rainwater collection within the already dug wells found to be highly active within the bringing spring water level up in India.

Advantages of Rainwater Harvesting

Rainwater harvesting provides the independent water system during regional water restrictions, and in developed countries, it is usually won’t to supplement the most supply.

It includes water when a drought occurs, can help mitigate flooding of low-lying areas, and reduces demand on wells, which can enable groundwater levels to be sustained. It also helps with the availability of potable water, as rainwater is substantially freed from salinity and other salts.

An enormous body of work has focused on the development of life cycle assessment and its costing methodologies to assess the level of environmental affects and money that can be saved by implementing rainwater harvesting systems

Rainwater harvesting provides an independent water system during water restrictions. In areas where clean water is expensive or difficult to return by, rainwater harvesting may be a critical source of unpolluted water.

In developed countries, rainwater is usually harvested to a supplemental source of water instead of the primary cause. Still, the harvesting of rainwater also can decrease a household’s water costs or overall usage levels. Rainwater is safe to drink.

When drought occurs, rainwater harvested in past months is often used. If rain is scarce but also unpredictable, the utilisation of a rainwater harvesting system is often critical to capturing the rain when it falls. Many countries, with arid environments , use rainwater harvesting as an inexpensive and reliable source of unpolluted water.

To reinforce irrigation in desert environments, ridges of soil are constructed to trap and stop rainwater from running downhills. Even during low rainfall, they collect enough water for crops to grow. Water is often collected from roofs and tanks are usually constructed to carry enormous quantities of rainwater.

Application or Use of Rain Water Harvesting

1. agriculture.

Regarding Urban agriculture, rainwater harvesting in urban areas reduces the impact of runoff and flooding. The mixture of urban ‘green’ rooftops with rainwater catchments is found to scale back building temperatures by quite 1.3 degrees Celsius.

Rainwater harvesting with urban agriculture would be a viable thanking to helping meet the United Nations Sustainable Development Goals for cleaner and sustainable cities, health and wellbeing, and food and water security.

The technology is out there; however, it must be remodelled to use water more efficiently, especially in an urban setting. Kenya has already been successfully harvesting rainwater for bogs, laundry, and irrigation, and areas in Australia used to harvest rainwater for cooking and drinking.

Studies by Stout et al. researching the feasibility in India found RWH was most beneficial used for little scale irrigation, which provides income with the sales of produce and overflow used for groundwater recharge.

2. Domestic Use

In China, Argentina, and Brazil, people use rooftop rainwater harvesting to supply beverage, domestic water, water for livestock, water for little irrigation, and how to replenish groundwater levels.

Gansu in China and semiarid northeast Brazil have the most essential rooftop rainwater harvesting projects happening. The rural population of Thailand, about 40%, utilises rainwater harvesting.

The Govt. promoted heavy rainwater harvesting within the 1950s. Within the 1990s, after government funding for the gathering tanks ran out, the private sector stepped in and provided several million tanks to non-public households, many of which still be used today this is often one among the most critical samples of self-supply of water worldwide.

Rainwater harvesting is mandatory for brand spanking new homes inbuilt New Mexico state capital Santa Fe, New Mexico.

Texas offers a nuisance tax exemption for the acquisition of rainwater harvesting equipment. In the UK, we often find water butts in domestic gardens and on allotments to gather rainwater, which is then won’t to water the garden.

3. Industry Use

Frankfurt Airport has the most critical rainwater harvesting system in Germany. The system helps save approximately 1 million cubic meters of water per annum. The value of the system was 1.5 million dm in 1993.

This technique collects water from roofs of the new terminal which has a neighbourhood of 26,800 square meters. It receives the water within the basement of the airport in six tanks with a storage capacity of 100 cubic meters. We primarily use the water for bathroom to flush, watering plants, and cleaning the air con system.

Rainwater harvesting was adopted at The Velodrome – The London Olympic Park – to extend the sustainability of the power. Despite this, it had been deemed that rainwater harvesting was a less efficient use of monetary resources to reach sustainability than the park’s blackwater recycling program.

Quality of Rain Water Harvesting

Rainwater may have to be analysed properly and utilised in how appropriate to its safety. Within the Gansu, for instance, solar water disinfection is employed by boiling harvested rainwater in parabolic solar cookers before getting used to drinking.

While rainwater itself may be a clean source of water, often better than groundwater or water from rivers or lakes, the method of collection and storage often leaves the water polluted and non-potable.

Pre-filtration may be a common practice utilised in the industry to stay the system healthy and make sure it frees the water entering the tank from large sediments. Conceptually, a water system should match the standard of water with the top use.

However, in most of the developed world, high-quality potable water is employed for all end uses. Supplying rainwater that has skilled preliminary filtration measures for nonportable Water uses, like a toilet flushing, irrigation, and laundry, could also be a big part of a sustainable water management strategy.

Rainwater Harvesting in India

The scheme was launched in 2001 and has been implemented altogether in rural areas of Tamil Nadu. Posters everywhere Tamil Nadu, including rural areas, create awareness about harvesting rainwater. TN Govt site.

It gave excellent results within five years, and slowly every state took it as a task model. Since its implementation, Chennai had a 50% rise in water level in five years, and therefore the water quality significantly improved.

Karnataka: In Bangalore, adoption of rainwater harvesting is mandatory for each owner or the occupier of a building having the location area measuring Bangalore water system and Sewerage Board has started and constructed. The people of the Thar Desert have traditionally practiced rainwater harvesting in Rajasthan.

Maharashtra: Rainwater harvesting in Pune, at present, is compulsory for any new housing society to be registered. In Mumbai, Maharashtra, rainwater harvesting isn’t mandatory. The Mumbai council is getting to make rainwater harvesting necessary for large organisations.

Rainwater harvesting is an eco-friendly technique to save water. It also increases level of ground water. Effective use of this method helps us to Save our earth. I hope you liked this informative article on Rainwater harvesting.

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Essay on Water Conservation: Samples in 150, 200, 250 Words

Updated on
Oct 17, 2023

What makes you curious to write an essay on water conservation? This life-saving resource is essential for all forms of life on Earth. Water is the essential natural resource present on Earth. Out of the total water present on Earth, 97.5% is salt water and 2.5% is fresh water. 70% of the human body is made of water. But, with the growing population , and climatic crisis , we are facing the urgent need to conserve water.

Water conservation is a hot topic, if you need a sample essay on water conservation then, you are at the right place. In this blog post, we have covered essays on water conservation in 100, 200, and 250 words. So, stay tuned and read further to get some ideas about water conservation!

This Blog Includes:

Essay on water conservation in 100 words, essay on water conservation in 200 words, water scarcity, ways to conserve water.

Water Conservation Essay 250 Words

Water conservation is a crucial step in protecting the environment. It is an important compound that supports life on Earth. The world has been facing water-related disasters due to scarcity of freshwater. 70% of the earth as well as the human body is composed of water, but there is a limited amount of freshwater to use. Owing to the ever-increasing population, climatic changes, global warming, and pollution, the need for the conservation of water is increasing. To do so, it is our fundamental duty to conserve water by planting more trees, managing water plants, storing rainwater, and making smart use of water.

Water scarcity is a critical global issue that needs strict attention when the demand for freshwater exceeds the available supply of water. It can manifest in various ways, including a lack of access to clean drinking water, inadequate water for agriculture and industrial processes, and stressed or depleted natural water sources.

Here are some factors that contribute to water scarcity:

Climate change
Growing population
Global warming
Inefficient water management
Water pollution
Increasing demand
Poor irrigation techniques
Wastage of water, and much more.

Conserving water is crucial to help address water scarcity and ensure a sustainable water supply for both present and future generations. You can contribute individually by taking small measures to conserve water like turning off the tap. Likewise, here are some ways to conserve water:

Drip irrigation technique
Soil management
Plantation of drought-tolerant crops
Apply Mulching
Recycle and reuse water
Rainwater harvesting
Desalination
Spread awareness to conserve water
Donate to the water cleaning campaign
Implement proper water management techniques.

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Rainwater Harvesting Methods, Importance, Conclusion

Harvesting rainwater is a great way to be more eco-friendly. Not only does it reduce the amount of water that goes down the drain (which means less energy is needed to pump water and treat sewage), but it also helps the environment by adding precious water to the environment. For more information on rainwater harvesting, a great source is the blog Rain Barrel Revival.

In this article we have published an article on rainwater harvesting methods, history, importance, application, current state of affairs in India and a conclusion.

What is rainwater harvesting?

The collection and storage of rainwater for on-site reuse and prevention of runoff is called rainwater harvesting. We can collect it from many places, such as rivers, roofs, etc. and channel it to a well, borehole, manhole, infiltration tank, aquifer, etc.

We use it for watering gardens, livestock, irrigation and domestic use, if handled properly. It is one of the oldest and simplest methods of making households self-sufficient in water.

History of rainwater harvesting

The use of rainwater dates back to the Neolithic period. At that time waterproof containers were built and used to store rainwater on the floors of houses and in villages near the Mediterranean Sea in the west, the Arabian desert in the south and Mesopotamia in the east. About 4000 b. Reservoirs have become an integral part of managing household water needs.

There are many examples, such as the Greek island of Crete, where from 2600 BC there was a large number of archaeological sites. Chr. to 1100 B.C. Chr. were large reservoirs to collect rainwater. Rainwater harvesting was a common practice in the Roman Empire, evolving as the empire expanded. Venice relied on rainwater harvesting.

Read also – Essay on responsible water management

New approaches

Coasters for water collection

New methods of capturing rain are emerging, such as the RainSaucer, which looks like an upside-down umbrella. Here rainwater is collected directly from the sky. This reduces pollution and makes rainbowls potentially useful as a source of drinking water in developing countries.

The GroasisWaterboxx, a Dutch invention, can also be used to grow trees with collected and stored rain- and dew water.

They build dams in streams to improve surface water infiltration into the subsurface. Water infiltration near dams is often artificially promoted by loosening the subsurface and overburden with ANFO explosives used in opencast construction. As a result, local aquifers are often rapidly replenished by surface water that is fully utilized during the season.

One of the main goals of rainwater harvesting is to use local rainwater to meet water needs throughout the year without having to make large investments.

Good quality water sources near human settlements are becoming scarce and expensive for consumers. After solar and wind energy, rainwater is the most important natural resource in a country. Every year, huge areas around the world are covered with photovoltaic solar panels.

Solar panels can also be used to collect much of the rainwater that falls on them, and simple filtration and disinfection processes often result in drinking water that is free of bacteria and suspended solids, since rainwater has a low salt content.

More recently, rainwater harvesting from dug wells at low cost has been shown to be a very active means of raising water levels in India.

Benefits of collecting rainwater

Rainwater harvesting provides an independent water supply in case of regional water shortages. In developed countries, it is generally not used in addition to the actual water supply.

It retains water during droughts, can help alleviate flooding in low-lying areas, and reduces the need for wells to maintain groundwater levels. This also contributes to the drinking water supply, as rainwater is largely free of mineralisation and other salts.

Considerable work has gone into developing a life cycle assessment and costing methodology to estimate the magnitude of environmental impacts and costs that can be saved through the implementation of rainwater harvesting systems.

Rainwater harvesting provides an independent water supply in case of water restrictions. In areas where clean water is expensive or difficult to obtain, rainwater harvesting can be an important source of unpolluted water.

In developed countries, rainwater is usually collected as a supplementary source of water rather than as the main source. However, rainwater harvesting can also reduce water costs or overall household water consumption. Rainwater is safe to drink.

In case of drought, rainwater collected in the previous months is often used. When rainfall is low but unpredictable, the use of a rainwater harvesting system is often critical to capture the rain as it falls. Many countries with dry climates use rainwater harvesting as a cheap and reliable source of unpolluted water.

To improve irrigation in desert conditions, earthen dikes are built to retain rainwater and prevent runoff from slopes. Even with little rainfall, they collect enough water to grow crops. Water is often collected on roofs, and reservoirs are usually built for the huge amounts of rainwater.

Application or use of rainwater harvesting systems

1. agriculture.

Regarding urban agriculture, rainwater harvesting in urban areas reduces the impact of runoff and flooding. It has been shown that the combination of urban green roofs and rainwater harvesting systems can reduce the temperature in buildings by 1.3 degrees Celsius.

Rainwater harvesting for urban agriculture can be an effective way to give thanks for contributing to the UN Sustainable Development Goals: clean and sustainable cities, health and well-being, and food and water security.

The technology already exists, but it needs to be redesigned for more efficient water use, especially in urban environments. In Kenya, rainwater is already being successfully collected for swamps, laundry and irrigation, while in Australia, rainwater is being collected for cooking and drinking.

Studies by Stout et al. on the feasibility of its application in India have shown that RWH is most viable for small-scale irrigation, where income is derived from the sale of the produce, while the overflow is used for groundwater recharge.

2. Domestic use

In China, Argentina and Brazil, people use rooftop rainwater harvesting to provide drinking water, water for domestic use, water for livestock, water to irrigate small plots and to recharge the water table.

In Gansu, China, and in the semi-arid northeast of Brazil, the largest rooftop rainwater harvesting projects are underway. The rural population of Thailand, about 40%, uses rainwater harvesting.

In the 1950s, the government encouraged the collection of rainwater. In the 1990s, after the government stopped funding water tanks, the private sector stepped in and provided private households with several million water tanks, many of which are still in use today – one of the most significant examples of water self-sufficiency in the world.

Rainwater harvesting is mandatory for new construction homes in Santa Fe, the capital of New Mexico.

Texas offers a tax exemption for the purchase of rainwater harvesting systems. In the UK, rainwater harvesting systems are often found in allotments and gardens to collect rainwater which is then not used to water the garden.

3. Industrial use

Frankfurt Airport has the largest rainwater harvesting system in Germany. The system saves about 1 million cubic meters of water per year. In 1993, the cost of the system was 1.5 million dm.

This facility captures water from the roofs of the new terminal, which covers an area of 26,800 square meters. It receives water from the underground of the airport in six tanks with a capacity of 100 cubic meters. We use water mainly to flush the toilet, water the plants and clean the air conditioner.

At the Velodrome of the London Olympic Park, rainwater harvesting has been introduced to improve the sustainability of the energy supply. Nevertheless, it was decided that rainwater harvesting was a less efficient use of monetary resources to achieve sustainable development than the park’s blackwater recycling program.

Quality of rainwater harvesting

Rainwater may need to be properly analyzed and used for safety. In Gansu, for example, water is disinfected by boiling rainwater collected in parabolic solar collectors before using it as drinking water.

Although rainwater can be a clean source of water, often better than groundwater or water from rivers or lakes, the way it is collected and stored often makes it polluted and unfit for consumption.

Pre-filtration is a common practice in the industry to keep the system healthy and remove coarse sediments from the incoming tank water. Conceptually, the water supply system must meet the standard for maximum water use.

However, in most developed countries, high quality drinking water is used for all end uses. The provision of pre-filtered rainwater for non-perishable uses such as flushing, irrigation and washing can also be an important part of a sustainable water management strategy.

Rainwater harvesting in India

The programme was introduced in 2001 and is fully implemented in the rural areas of Tamil Nadu. Posters have been put up all over Tamil Nadu, including rural areas, to make people aware of rainwater harvesting. Website of the TN government.

Within five years it had produced excellent results and gradually all the states had adopted it as a model. After the implementation, Chennai’s water level rose by 50% in five years, significantly improving water quality.

Karnataka: In Bangalore, the installation of a rainwater harvesting system is mandatory for any owner or occupant of a building located in the area where the Bangalore Water and Sewerage System Meter was initiated and constructed. The inhabitants of the Thar Desert in Rajasthan have traditionally been engaged in rainwater harvesting.

Maharashtra : Currently, rainwater harvesting is mandatory in the registration of every new housing association in Pune. In Mumbai, Maharashtra, rainwater harvesting is not mandatory. The Mumbai City Council wants to make rainwater harvesting mandatory for large companies.

Rainwater harvesting is an ecological way to save water. It also raises the water level. The effective use of this method helps us save our planet. I hope you enjoyed this informative article on rainwater harvesting.

This source has been very much helpful in doing our research. Read more about suggestions on rainwater harvesting and let us know what you think.

Frequently Asked Questions

What is the importance of rainwater harvesting conclusion.

Rainwater harvesting is the collection and storage of rainwater runoff for reuse on-site, rather than allowing it to run off into storm drains or streams and be lost to the ocean without being used. Installing a rainwater harvesting system can reduce water usage and lower water bills. It can also reduce flooding, preserve water quality and prevent water shortages. There are many different ways to harvest rainwater, from as simple as collecting it from your roof into cisterns or barrels to complicated systems that irrigate your yard and fill your swimming pool automatically. The best system for your home depends on your needs and the size of your property. Rainwater harvesting is an integral part of natural water cycle management.

Rainwater harvesting is the natural way of collecting, storing, and utilizing rainwater for various purposes. It includes methods for rainwater collection, storage, treatment, and distribution for the purpose of water supply and irrigation. It helps in water conservation, and also prevents flooding by providing vegetative and structural alternatives to the construction of storm and sanitary sewers. It is also an effective way to make use of non-conventional water sources, thus freeing these sources for other uses.

What is the importance of rainwater harvesting?

Education is the most valuable part of life. It is a crucial part of the human life. Education includes not only formal education, but also self-education. It is not enough to study at school, but to learn to learn. To get knowledge is of great importance to everyone, because knowledge is power, the lack of knowledge means weakness and helplessness. Rainwater harvesting is a very important part of both farming and personal life.

The collected rainwater is used to lower the cost of irrigation, lower the amount of fossil fuels used to power irrigation methods, and to provide a source of water for drinking, washing, firefighting, and other uses. There are a few different methods for harvesting rainwater, but the most common are barrel or tank systems. The best part about rainwater harvesting is that it is free.

What is the result of collecting rainwater?

Rainwater harvesting is the collection of rainwater to use for a variety of purposes. Rainwater harvesting for drinking-water supply is a component of water supply in some arid and semi-arid areas where rainfall is abundant. The harvested water is typically used for landscape irrigation; it may also be used for flushing toilets, washing cars and buildings. Rainwater harvesting is also called Catchment Water Harvesting, Rainwater Collection, and Stormwater Harvesting.

Rainwater harvesting is the accumulation and storage of rainwater runoff for reuse on-site, rather than allowing it to run off. It is commonly used for irrigation in arid or semi arid areas, and for livestock watering and other domestic uses. It is also a means of water supply in areas where groundwater is polluted or otherwise unpalatable. The amount of rain that falls is variable, so the catchment surface is often of a material and design that maximizes the useful capture and storage of the rain.

The technology used is very similar to that used in artificially created wetlands, but with a more natural flow through the system. The water is typically not potable without further treatment, so it is important to note that rain.

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Rainwater Harvesting and its Importance | Essay | PDF

December 26, 2017 by Study Mentor Leave a Comment

Rainwater harvesting is a strategy of collection and storage space of rainwater into natural reservoirs or tanks, or the seepage of surface water into subsoil water channels.

It is one of the purest form of water found on earth, because it is collected after it has vaporized and is almost as good as distilled water. Usually people in the rainfall-prone areas like Tamil Nadu, and parts of northeastern and even north-western India where there is a scarcity of potable water.

Technicalities of Rainwater Harvesting

Rainwater harvesting is perhaps one of the easiest methods of obtaining water. It does not require extensive knowledge, technical skills or cumbersome machinery. Expense-wise too, it’s extremely affordable.

All it requires is a waterproofed structure within the ground or over the ground that can hold the water during rains and prevent its loss as seepage. Some people employ plastic tanks which are connected by means of pipes to collection pans.

Rainwater harvesting is also done in many homes where they channel the rainwater collected from the roof drain pipes into a waterproof tank. This water can be used for plants as well as for basic washing. With minor filtration, it can be an excellent source of drinking water.

Table of Contents

Why is Rainwater Harvesting Practiced?

Rainwater harvesting is a very ancient technique. It is mainly helpful in:

Areas where ground water table is quite low and it’s not feasible to draw clean ground water.
Areas where salinity of waterbodies have gone beyond the salinity threshold for plants to survive.
Regions with scarce and erratic rainfall.
Where indiscriminate use of chemicals have rendered the groundwater inadequate for use in crops as well as drinking.
It helps to reduce soil erosion too.
One of the major advantages of rainwater harvesting is that it doesn’t require a huge amount of land to be functional

In this situation extremely important to cultivate the practice of rain water harvesting. During the last fifty years, the number of industries in India has grown rapidly. But water pollution is concentrated within a few subsectors mainly in the form of toxic wastes and pollutants.

The effects of this water pollution are not only devastating to humans but also to animals, fishes, birds. Polluted water is unsuitable for drinking, recreation, agriculture, and industry.

The high nitrate content in groundwater is mainly from irrigation runoff from agricultural fields. Waste water from manufacturing or chemical processes in industries contribute to water pollution. All these adversities can be effectively mitigated by the use of rainwater harvesting units.

Since rainwater is already evaporated, it negates the collected water to undergo any further treatment as the concentration of contaminants in it reduces significantly. So we can use the water as is.

In these scenarios, rainwater becomes an extremely crucial practice in cities like Delhi, Mumbai, Chennai, etc. where rainfall is extremely erratic and the population pressure and growing industrialization has contaminated the sources of available freshwater.

Various techniques of Rainwater harvesting include

Recharge Pit
Recharge Trench
Tube well
Recharge well

In rural areas, the following techniques are mostly employed

Gully Plug
Contour Bund
Percolation Tank
Gabion Structure

Active Initiatives

In 2001, Tamil Nadu was the first State that mandated rainwater harvesting for every building.
The ground water level significantly improved after implementation of rainwater harvesting systems in Chennai as much as 50%.
Also in various districts of Rajasthan, rainwater harvesting practice has brought relief to many crops as well as the people.
The government is working on a master plan envisaging construction of about 23 lakh artificial recharge and rainwater harvesting structure in rural areas and 88 lakh in urban areas.
Countries like Sri Lanka have even drafted laws for rainwater harvesting, the Urban Development Authority (Amendment) Act, No. 36 of 2007.
In UK, rainwater harvesting systems have the potential to reduce the net consumption of water by almost half.

In this day and age of industrialization and modernization and, subsequently, pollution, the water around us is becoming more and more polluted every day, thus making rainwater harvesting an unavoidable reality.

Rain water is not Fool-Proof

Although with its advantages in tremendously vast applications, there are a few disadvantages to rain water harvesting. Due to excessive vehicular as well as industrial pollution, the concentration of oxides of carbon, Sulphur, nitrogen increases exponentially.

These oxides combine with precipitation (mostly in the form of rainwater) and convert to their respective corrosive acids, like carbonic acid, sulphuric acid, suplurous acid, nitric acid, nitrous acid, etc.

These combine with the rainwater and when this collected rainwater is used to agriculture or drinking, grave consequences like paralysis in humans and rotting in crops appear.

In that situation, rainwater is further treated to get potable water out of it which not only increases costs but also makes the process cumbersome and reduces efficiency of the system as a whole.

But still, with all these problems, too, rainwater harvesting remains an extremely sustainable source of resource management and conversation. Sustainability is the need of the hour in this ever growing world of industrialization and subsequent pollution. It’s where we live, so we better take care of it! Would you rather live in a polluted dump?

Rainwater harvesting is an extremely easy yet effective way of cementing a bright sustainable future for us and our generations to follow thus promoting biodiversity.

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Rainwater Harvesting Essay

Rainwater harvesting is a system that collects and stores the rainwater in tanks and other reservoirs for future use, as it is very important to conserve rainwater so that there is no shortage of this natural resource.

Thus, the concept of rainwater harvesting is also growing rapidly and people are playing their role in conserving the environment and utilizing this natural resource .

In this Rainwater Harvesting Essay , we described rainwater harvesting and its importance, its advantages of rainwater harvesting & much more.

Rainwater Harvesting Essay 100 words:

Rainwater harvesting refers to the accumulation and storage of rainwater for natural reservoirs or tanks or the infiltration of surface water to bring surface water to the surface for later reuse.

The rainwater harvesting is very important because it is a practice to prevent wastage of water and it is used in many ways.

There are several methods such as surface water collection system, harvesting roofing method, underground tank, dam, slope, barrage, water storage reservoir, trenches etc.

Harvesting water ensures and prevents the smooth supply of water in future.

Homeprettify provides information related to the home design, tips, tricks and materials required for home Improvement.

Essay on Rainwater Harvesting 150 words:

Rainwater harvesting refers to the collection and storage of water for reuse.

It can be used later for various purposes like irrigation, gardens, household purposes and livestock, instead of allowing it to exit the gutter; also can be used as drinking water and groundwater storage.

Rainwater harvesting improves water supply throughout the year; with fluctuating climate change and the elimination of groundwater storage, rainwater harvesting helps mitigate those effects.

This can help recharge groundwater storage and ensure water availability in scarce areas. Rainwater conservation is also practised in individual homes and apartments.

Although new methods and techniques exist for harvesting rainwater in modern times, it is a traditional practice followed in rural areas.

Rainwater is always useful at a time when there is less rain; can be used in many ways whether by traditional methods or with the help of new methods and technology.

Rainwater Harvesting Essay 300 words:

Nowadays people have become dependent on the federal government system of water to provide water for their every need.

The present situation of water management and distribution in cities has been centralized by the federal government which has introduced an enormous gap in group responsibility in water management.

This has gradually but regularly eliminated the outdated conventional water harvesting system.

Rainwater harvesting is an old and efficient approach for rainwater harvesting throughout future use.

It is commonly used in various locations in India to overcome water shortage issues.

Rainwater harvesting is an efficient source of groundwater to recharge naturally.

However, the groundwater level is reducing day-to-day resulting from rapid urbanization and development of cities on a large scale in addition to a discount on the quantity of rainwater.

Rainwater harvesting is the way in which to reduce groundwater use in addition to at all times preserve its degree sooner or later.

In the dry areas of India and different nations, it is extra necessary to fulfil the demand for water for various functions.

The following factors show the actual fact of rainwater harvesting:

It performs a great role in stopping groundwater degradation and improving the groundwater table.
This helps in improving the water high quality in aquifers.
This is to preserve extra water and stop surface water runoff through the monsoon.
This helps in decreasing soil erosion.
This is to bring the outdated tradition of water conservation among many folks.
Rainwater can be harvested higher using the next methods equivalent to floor runoff harvesting and rainwater harvesting above the roof.
Both very efficient strategies help to extend the groundwater and meet the water supply requirement easily and cost-effectively.

Essay on Rainwater Harvesting 350 words:

Rainwater harvesting is the accumulation, storage, conservation, and filtration of rainwater in the future for drinking water or for many other uses; the stored rainwater has to be maintained regularly.

The main objective of rainwater harvesting is to collect rainwater from a large surface above and then transport it to the storage tanks through the distribution system.

Rainwater harvesting provides an independent supply of water during most water combinations, where clean water is expensive for people in rural areas, accumulated water will be a cheaper source of potable water and can be stored for a longer period.

This practice is common by people in independent residences and buildings.

In developed countries, accumulated rainwater is a source of supply and also reduces the cost of domestic water consumption.

In a fluctuating climate, a rainwater harvesting system helps to capture rainwater when it rains.

Most countries with unpredictable environments use rainwater harvesting as it is an economical and reliable source of salinity and salts-free clean water.

It complements the water supply and prevents water wastage.

Rainwater is used exclusively for irrigation facilities; soil ridges are made to trap rainwater and prevent slopes, providing enough water for crops to grow.

In future, dams and ponds can be constructed for storing large amounts of water for irrigation, retainiwallsall are provided to avoid landslides.

Rainwater harvesting reduces the effects of flooding.

Due to rainwater harvesting, less water is directed towards the sewer system and it reduces stormwater in freshwater bodies and also prevents pollution of water bodies.

In many areas, underground water sources are slowly sieving. Construction of deep wells is costly and can harm the natural environment.

Thus, this source of rainwater is reliable and effective, can be used when the groundwater supply is depleted.

Also, read 1. Water Pollution Essay 2. Rainy Season Essay 3. Water Conservation Essay

Conclusion:

Rainwater harvesting has various benefits and uses; however, harvesting systems have to operate and maintain to ensure water quality. Water also needs to be purified and filtered for use.

Rainwater Harvesting Essay 400 words:

Rainwater harvesting is the collection and storage of rainwater in natural water or artificially designed sources to prevent water runoff and meet future water shortages.

The amount of water harvesting is influenced by factors such as the frequency of rainfall, the amount of rainfall, how rainwater is collected, and the size of the resources to collect water.

The groundwater level is falling day by day due to various reasons like deforestation and ecological imbalance.

Demand for water supply increases, especially in urban areas, due to the constantly increasing level of urbanization and industrialization. This is leading to overuse of groundwater and thus lower levels.

The risk of water scarcity has increased substantially in the future and non-adherence to some effective solutions can be life-threatening.

Water harvesting is very useful and caters to varied needs such as recharging the groundwater level, reducing electricity bills within the water supply and offering water supply anytime.

It is estimated that 1m increase in water level saves about 0.4 kWh of electrical energy.

Advantages of Rainwater Harvesting:

Rainwater harvesting by individuals is essential in all areas; It is sweet to reduce the concern of water shortage sooner or later.

The following factors show the actual fact why rainwater harvesting is important:

Surface water can’t meet water demand for various functions.
Everyone depends on groundwater for his or her each need.
The groundwater level is continuously decreasing due to deforestation, rapid urbanization, rainwater infiltration into sub-soil, etc.
Rainwater harvesting maintains the water level in pure water resources.
It reduces the opportunity of water on roads, reduces the risk of soil erosion and improves water quality.

The following are the primary strategies of rainwater harvesting:

Collecting rainwater on the floor for future use.
Collecting rainwater on the floor is a very effective and conventional technique, this may be completed using small ponds, underground tanks, dams, weeds and many others; however, groundwater recharging techniques are a brand new concept of harvesting.
This may be completed using dug wells, pits, trenches, hand pumps, recharge wells, recharge shafts, recharging lateral shafts with bore wells, and dispersion techniques.

RELATED ESSAY:

SAVE WATER ESSAY | WATER CRISIS ESSAY | INDIAN EDUCATION SYSTEM ESSAY

Every person should collect rainwater, so it can be used for other works.

The surface and roof water should be protected from waste because it helps to increase the groundwater level.

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Essay on Save Water Save Life

Water is the most important and valuable natural resource on Earth. It sustains all life. There is no life without water. Water is not only important for human beings but for the entire ecosystem. Without enough water, the existence of humans, as well as animals, is next to impossible. After fresh air, water is the second most important natural resource for the survival of any living being.

Water is necessary for the survival of each living creature on this planet, be it a small worm, plant, or full-grown tree. Animals and plants cannot survive without water. About 71% of Earth’s surface is covered with water. Unfortunately, only 3% of the water available is freshwater. About two-thirds of the freshwater lies in the form of frozen glaciers and ice caps. The rest of the small portion is available in the form of groundwater and surface water.

We totally depend on water for multiple purposes. Water is used in agriculture for the irrigation of crops. We use water for drinking, cooking, cleaning, bathing, and other domestic purposes. Water is used for recreational activities. In industries, water is used as a coolant, solvent and also used in other manufacturing purposes. Hydroelectricity is generated with the help of water. Water is also used for navigation and transportation of goods. This tells us how water is the most essential component of life and every drop of water is vital for sustenance. Therefore, water conservation is important to save life on this planet.

Importance of Water:

The basic use of water is drinking, bathing, agriculture, irrigation, hospitality, factories, etc.

Water helps in blood circulation and improves metabolism in the human body

The entire aquatic ecosystem is located in water. It is a home for all the aquatic animals

Water is a major source of transportation after land and air.

Water aids in saliva secretion and oxygen delivery to our bodily cells.

Some countries have abundant water resources for their residents and serve the people, whereas others lack natural resources even for survival.

Depletion of fresh water has become a threat to our existence. According to some scientists, the quantity and the quality of water are degrading day by day. Although Earth is covered with almost 71% of water, the quality is that we cannot use it in day-to-day life for domestic purposes. Water quality is so poor that people in some places are prone to several water-borne diseases such as Eluru, caused by contaminated water.

These instances are eye-opening examples and should be taken seriously for better living conditions for us and our future generation.

Below are the Reasons for Shortage of Fresh Water:

Growth of population leads to excessive consumption of water.

Daily excessive wastage of water.

The rapid growth of industries has increased the problem of proper disposal of waste material from them. The waste products from these industries contain extremely poisonous elements that are polluting the rivers and other water bodies.

Pesticides and chemical fertilisers that are used to treat crops also pollute the fresh water.

Sewage waste that is dumped into the rivers is making the water unsuitable for drinking and washing causing several water-borne diseases like cholera, jaundice and typhoid.

Use of plastics and disposing them carelessly in the water bodies are affecting aquatic life and further disturbing the entire ecosystem.

Global warming is another major reason for the scarcity of water on earth. According to several types of research, because of global warming, the world will face more stress for water scarcity till the year 2050.

We now need to be aware of the depletion of fresh water and take adequate measures to stop this.

Saving Water: Need of the Hour

Many places face extreme water scarcity due to extremely bad weather conditions, leading to less rainfall and groundwater depletion. In other parts of the world, groundwater is either unusable or overused. As the world's population is growing, so increase in industries and globalisation, causing groundwater to be overused and resulting in water scarcity.

The World Health Organisation (WHO) data shows that many people on this planet don't have access to clean and fresh drinking water. These situations are becoming worse day by day, and we need an immediate plan to control this situation. Various collective measures have to be taken by every individual on this planet and the government of every country to control water scarcity.

Government should impose some strict rules for the conservation of water. The government and the citizens have to take the initiative to create awareness and promote the “conservation of water.” One such initiative taken by the Modi government in India was “JANSHAKTI FOR JALSHAKTI.” This programme began as a means of working toward a brighter future.

Initiatives taken by Some State Governments:

The Punjab government contributed to saving water resources by avoiding waterlogging and fixing the drain leakage.

The Rajasthan government has taken the initiative to construct small ponds, which helped the local people of Rajasthan in many ways.

Villages of Telangana have constructed water tanks to conserve rainwater for future use.

These states are an inspiration, and others should also take a step forward to conserve and clean the water, water bodies, and groundwater.

Water saving should be and is the universal responsibility of every human being, living on this Earth.

There are many ways in which we can save water and reduce their pollution:

Be responsible to save water daily. Use only the required amount of water and avoid wastage. We should use water wisely.

We should use a washing machine to full capacity for washing clothes.

We should not let the tap run while washing hands and face.

We should water plants in the evening or early morning to minimise evaporation.

We should make provisions to store rainwater on rooftops and reuse the water for household purposes.

Bigger Communities and farmers should adapt to the practice of Rainwater harvesting.

The industrial waste should be treated properly instead of dumping it into rivers.

We should stop using plastics and dispose of them in an adequate way.

We can make people aware about water problems by means of social campaigns and other ways.

We should educate our children about water saving from an early age.

Reusing the water is an important way to save and prevent the scarcity of water. Bathing water can be recycled and used for planting or cleaning.

Rainwater harvesting is the method of collecting rainwater and conserving them for future use.

Conservation of groundwater is another important method in the preservation of groundwater and using it in the future.

Prevention of waterlogging.

We cannot imagine our lives without water. It is unfortunate that mankind has neglected this precious gift from God. Conservation of water is a necessity to save life. All living organisms on this planet need water to survive. If we do not give importance to saving or conservation of water then our future generations will face water scarcity.

FAQs on Save Water Save Life Essay

1. How to minimise wasting water?

We can minimise wasting water by using only the required amount of water. We should not let the tap run while washing hands and face. Furthermore, checking for leaks in pipelines and getting them resolved in time and taking shorter baths and reducing the use of showers can also help.

2. When is World Water Day celebrated and why?

World Water Day is celebrated on 22nd March every year. It is celebrated to remind us of the importance of water and how we should minimise wastage of water.

3. Why is it important to save water?

It is important to save water because only 3% of available water is freshwater. Water is vital for the sustenance of living beings on this planet. If we don’t use water properly then our future generations will face the scarcity of water.

4. What methods should farmers adopt for irrigation?

The farmers should stop using pesticides and chemical fertilisers to minimise pollution in water and adapt to the method of Rainwater harvesting.

5. How to save water daily?

We should close the tap tightly after use, use the required amount of water, check the water level in the tanks, and stop them from overflowing, making rainwater harvesting tunnels to save and reuse rainwater after its purification. These are some basic steps to save water at an individual level.

6. Where can I find more information on water and how to save water?

You can find more information, along with answers to your commonly asked questions, on the Vedantu website and mobile app. So, browse through them to get all your questions answered easily.

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Essay on Rainwater Harvesting | Methods, Importance, Benefits

Essay on Rainwater Harvesting | Methods, Benefits of Rainwater Harvesting

Rainwater harvesting is the simplest and most cost-effective method of providing an individual or a community with clean, potable water. It has been used for centuries in many parts of the world to provide a reliable source of water, especially during the dry season. In addition, rainwater is extremely pure as it contains no sediments or other pollutants, and requires minimal treatment. It can be an especially valuable resource in places where ground water is either nonexistent or of poor quality.

Rainwater Harvesting in India

Rainwater harvesting in a systematic manner has been an age old tradition in India which was mostly used to meet the needs of basic drinking water for people living in remote villages. The system was easy and effective, though at times laborious. This water is first collected from Gumbads (big pots) which are placed on the rooftop areas of houses or public places like temples etc.

The water would be diverted by means of a channel through a pipe in the house to a storage tank kept in an elevated position. The Gumbads with inlet pipes are also placed at places where water flow is high like temple steps etc., thus ensuring sufficient supply of drinking water for devotees. However, with the onset of time these traditional systems have been replaced by more sophisticated ones employing various modern tools and gadgets.

>>> Related Essay : Essay on Drought for Students

In recent times Rainwater harvesting is being used to meet the water needs of urban residents, especially in cities where there is a chronic shortage of fresh drinking water. The city of Bangalore has been using this technique since 1980s for residential and commercial establishments. In fact, it was during summer time in 1985 that about four lakh litre rainwater was harvested from 1000 buildings in Bangalore. Since then many apartment complexes as well as individual houses have been using this system to meet their water needs.

Methods of Rainwater Harvesting

The harvesting is done from rooftops, terraces and other flat areas by using small to large capacity systems having an appropriate storage tank or a reservoir for rainwater close to the building. This provides an additional source of water which can be used for various purposes like watering the garden, flushing the toilet and also outdoor washing. These systems are designed and installed to ensure that rainwater is harvested as per spatial area as well as volume required by a particular structure.

Importance of Rainwater Harvesting

Rainwater harvesting is the most reliable of all water supply methods. The rainwater can be used for many purposes, including drinking water, watering plants, flushing toilets and washing clothes. A house with a traditional roof merely has to have its runoff directed to an open channel or swale leading to a storage facility providing water for landscape irrigation or other uses.

Benefits of Rainwater Harvesting

Rainwater harvesting, when taken to an even higher level, is known as full water cycle management. This means that collected rainwater can be stored for later use over weeks or months, instead of being immediately consumed where it falls. By doing this you eliminate any need for expensive long pipelines bringing in water from far away, which is both costly and damaging to the environment. The entire neighborhood can collect water for its own use at a fraction of the cost of buying it in bulk or via tanker delivery, thus creating job opportunities and creating an income source for communities.

Rainwater harvesting systems are used to supply drinking water for humans, animals and irrigation. Harvested rainwater is often filtered for use as drinking water; if contamination is found, the water can be stored for later, or blended with other sources of potable water to dilute the contaminant.

Rainwater harvesting systems are very important in drought-prone areas because they provide clean water without depending on an expensive and environmentally damaging long pipeline system from a distant source. This allows rainwater to be used for drinking, bathing, cooking etc.

In rural areas this water is commonly provided by hand pumps or local borehole wells which draw groundwater from aquifers. In urban areas the collected water may be used in conjunction with natural gas or electricity to run pumps, providing domestic water for house use.

The water collected by the rainwater harvesting system can be used to irrigate crops or any other uses, for example flushing toilets. When this is done it avoids the need to connect to a sewer system, which means an entire network of sewage pipes doesn’t have to be constructed and maintained. This saves money for the community, but also reduces the environmental damage since sewage doesn’t have to be piped long distances where around 90% of its energy is lost.

When used in combination with a system that provides clean water to toilets and washes clothes and dishes, it can be very effective at promoting hygiene and good health. This is an important benefit of rainwater harvesting, especially in developing countries where the provision of clean water to all members of a family or community is not always available.

The use of rainwater harvesting provides employment opportunities for people who install and maintain the systems. Often these systems require maintenance and new installations on a regular basis and employing local workers and training them to provide this service is important.

By using rainwater harvesting systems, communities can save money and protect the environment. This is particularly helpful in agriculture where it reduces the cost of irrigation while also leveling out any variations in rainfall from year to year so that farmers don’t have to worry about crops failing due to drought or flooding.

The environmental advantages of rainwater harvesting are very important in that it reduces the impact on ecosystems where the water is used. Many communities see runoff into lakes and rivers as a wasted source, when in fact it causes damages to aquatic systems since contaminants are washed directly into them without being filtered by natural sinks along the way.

Rainwater Harvesting has many advantages, among them are reduction of heat build up in cities., water conservation for drought-stricken areas, infiltration into the ground keeping it high and dry during floods, recharge groundwater aquifers at times of low rainfall.

Rainwater harvesting is used to provide an alternative source of water when other fresh sources like well or ground water are not available. In urban cities, to maintain a supply of fresh drinking water, it is practiced for using roof top rainwater harvesting systems from the rooftop areas of apartment complexes and complexes with big blocks to reduce the usage of ground water.

>>> Related Post : Essay on Gardening and its importance

Rainwater harvesting is now becoming necessary because of the growing pollution. People now are aware of the importance of this system and a lot of people have started to save water from any source for their future use. Rainwater harvesting provides a sustainable solution to increase groundwater recharge potentials. This helps us to protect our environment from further damage due to deforestation, through recharging the ground water, and also reduces the cost of importing water from other regions.

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Essay on Rain Water Harvesting

Students are often asked to write an essay on Rain Water Harvesting in their schools and colleges. And if you’re also looking for the same, we have created 100-word, 250-word, and 500-word essays on the topic.

Let’s take a look…

100 Words Essay on Rain Water Harvesting

Introduction.

Rainwater harvesting is the process of collecting and storing rainwater for later use. This method is a sustainable and economical way to use water, especially in areas where water is scarce.

Importance of Rainwater Harvesting

Rainwater harvesting helps to conserve water, reduce water bills, and lessen the demand for ground water. It’s an excellent way to provide an independent water supply.

Methods of Rainwater Harvesting

There are two main methods: surface runoff harvesting and rooftop rainwater harvesting. Both methods collect rainwater, which can then be used for various purposes.

Rainwater harvesting is a practical solution to water scarcity. It encourages sustainability and promotes water conservation.

Also check:

10 Lines on Rain Water Harvesting
Speech on Rain Water Harvesting

250 Words Essay on Rain Water Harvesting

Rainwater harvesting, a traditional method with a modern twist, is a sustainable and eco-friendly approach to water conservation. It involves the accumulation and storage of rainwater for reuse, rather than allowing it to run off.

The Mechanism

Rainwater harvesting systems are simple yet effective. They involve the collection of rainwater from surfaces on which rain falls, filtering it, and storing it for later use. Generally, rainwater is collected from roofs and stored in rainwater tanks. This water can then be used for gardening, livestock, irrigation, or even indoor heating.

Importance and Benefits

In an era where water scarcity is a pressing issue, rainwater harvesting serves as a vital solution. It reduces the demand on the municipal water supply, lowers water bills, and provides an alternative supply during water restrictions. Moreover, it’s a source of naturally soft and chemical-free water, beneficial for plants and soil irrigation.

Global Impact

Rainwater harvesting has the potential to significantly impact global water conservation efforts. In arid regions like parts of Africa and India, rainwater harvesting has been a lifeline, providing much-needed water during dry seasons. Developed nations like Australia and Germany have also adopted this system, demonstrating its universal applicability.

In conclusion, rainwater harvesting is an efficient, cost-effective, and environmentally friendly method of conserving water. As we grapple with climate change and water scarcity, it’s crucial for us to adopt sustainable practices like rainwater harvesting. By doing so, we can ensure a reliable and resilient water supply for future generations.

500 Words Essay on Rain Water Harvesting

Introduction to rainwater harvesting.

Rainwater harvesting is an age-old practice and a crucial aspect of sustainable living. It is the process of collecting and storing rainwater for future use instead of letting it run off. The escalating environmental issues and water scarcity worldwide have brought rainwater harvesting back into focus.

The Importance of Rainwater Harvesting

Rainwater harvesting plays a pivotal role in addressing the global water crisis. It aids in water conservation by reducing the reliance on groundwater or municipal water supply. Additionally, it helps in mitigating the effects of drought and flood, contributing to climate change resilience.

Rainwater is a clean, free, and readily available renewable resource, which, if harvested and stored correctly, can be used for various purposes like irrigation, washing, and even drinking with proper treatment. Moreover, it reduces soil erosion and waterlogging issues by limiting runoff.

There are two primary methods of rainwater harvesting: surface runoff harvesting and rooftop rainwater harvesting.

Surface runoff harvesting involves collecting rainwater from surfaces like parks, roads, or any other vast expanse of land. This method is particularly beneficial in urban areas where the land for water infiltration is less.

Rooftop rainwater harvesting, on the other hand, involves collecting rainwater from roof catchments. The collected water can be stored in tanks or diverted into wells or recharge pits. This method is highly efficient and cost-effective for individual households.

Technological Advancements in Rainwater Harvesting

Advancements in technology have made rainwater harvesting more efficient and accessible. Modern systems come with filtration units to ensure the water is clean. Some advanced systems even incorporate AI and IoT for monitoring water levels, quality, and automated functioning of the system.

Challenges and Solutions

Despite its numerous benefits, rainwater harvesting faces several challenges. These include lack of awareness, high initial costs, and technical issues like improper design and poor maintenance.

To overcome these challenges, it is essential to spread awareness about the benefits of rainwater harvesting and provide subsidies or financial incentives to encourage its adoption. Further, technical training should be provided for the correct design and maintenance of these systems.

Rainwater harvesting is a sustainable and viable solution to the global water crisis. It not only conserves water but also plays a significant role in climate change mitigation. With technological advancements making it more efficient and the right policies in place to overcome challenges, rainwater harvesting can significantly contribute to a sustainable future.

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Water Conservation Essay

500+ words essay on water conservation.

Water makes up 70% of the earth as well as the human body. There are millions of marine species present in today’s world that reside in water. Similarly, humankind also depends on water. All the major industries require water in some form or the other. However, this precious resource is depleting day by day. The majority of the reasons behind it are man-made only. Thus, the need for water conservation is more than ever now. Through this water conservation essay, you will realize how important it is to conserve water and how scarce it has become.

Water Scarcity- A Dangerous Issue

Out of all the water available, only three per cent is freshwater. Therefore, it is essential to use this water wisely and carefully. However, we have been doing the opposite of this till now.

Every day, we keep exploiting water for a variety of purposes. In addition to that, we also keep polluting it day in and day out. The effluents from industries and sewage discharges are dispersed into our water bodies directly.

Moreover, there are little or no facilities left for storing rainwater. Thus, floods have become a common phenomenon. Similarly, there is careless use of fertile soil from riverbeds. It results in flooding as well.

Therefore, you see how humans play a big role in water scarcity. Living in concrete jungles have anyway diminished the green cover. On top of that, we keep on cutting down forests that are a great source of conserving water.

Nowadays, a lot of countries even lack access to clean water. Therefore, water scarcity is a real thing. We must deal with it right away to change the world for our future generations. Water conservation essay will teach you how.

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

Water Conservation Essay – Conserving Water

Life without water is not possible. We need it for many things including cleaning, cooking, using the washroom, and more. Moreover, we need clean water to lead a healthy life.

We can take many steps to conserve water on a national level as well as an individual level. Firstly, our governments must implement efficient strategies to conserve water. The scientific community must work on advanced agricultural reforms to save water.

Similarly, proper planning of cities and promotion of water conservation through advertisements must be done. On an individual level, we can start by opting for buckets instead of showers or tubs.

Also, we must not use too much electricity. We must start planting more trees and plants. Rainwater harvesting must be made compulsory so we can benefit from the rain as well.

Further, we can also save water by turning off the tap when we brush our teeth or wash our utensils. Use a washing machine when it is fully loaded. Do not waste the water when you wash vegetables or fruit, instead, use it to water plants.

All in all, we must identify water scarcity as a real issue as it is very dangerous. Further, after identifying it, we must make sure to take steps to conserve it. There are many things that we can do on a national level as well as an individual level. So, we must come together now and conserve water.

FAQ of Water Conservation Essay

Question 1: Why has water become scarce?

Answer 1: Water has become scarce due to a lot of reasons most of which are human-made. We exploit water on a daily basis. Industries keep discharging their waste directly into water bodies. Further, sewage keeps polluting the water as well.

Question 2: How can we conserve water?

Answer 2: The government must plan cities properly so our water bodies stay clean. Similarly, water conservation must be promoted through advertisements. On an individual level, we can start by fixing all our leaky taps. Further, we must avoid showers and use buckets instead to save more water.

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Essay on Rain Water Harvesting for Children and Students

Table of Contents

Rain Water Harvesting Essay: Rainwater harvesting involves the collection and storage of rainwater into the natural reservoirs or artificial reservoirs in order to prevent the surface water runoff.

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Long and Short Essay on Rain Water Harvesting in English

Rain Water Harvesting Essay 1 (100 words)

Rain Water Harvesting Essay 2 (150 words)

It helps in reducing the water supply bills especially to the institutions.
Rainwater recharged to the ground positively affects groundwater quality by diluting fluorides, nitrates and its salinity.
It contains almost neutral pH and zero hardness which makes it more able to be used in homes, industries, institutions and other commercial establishments.
It may reduce the stress of public water supply sources.
Recharge of rainwater to the ground prevents sea-water immersion into the fresh water bodies in the coastal areas.
It helps in controlling urban flooding if people do rainwater harvesting from rooftops.
It reduces water demands of people from the municipality thus lessens energy consumption too in distributing water all through the city.

Rain Water Harvesting Essay 3 (200 words)

It helps in reducing water supply loads and electricity bills of municipality, improve free water supply, crop production in rural areas, and thus lead to food security.
Rain water harvesting system helps in reducing the insecurity of households or individuals in the rural areas.
It provides easy and low cost water supply in the lack of water areas thus helps in food security and income generation.

Rain Water Harvesting Essay 4 (250 words)

Rain Water Harvesting Essay 5 (300 words)

It plays great role in protecting the ground water decline and improving the ground water table.
It helps in improving the water quality in aquifers.
It is to conserve more water and prevent surface water runoff during the monsoon.
It helps in reducing the soil erosion.
It is to bring the old tradition of water conservation among people.

Rain Water Harvesting Essay 6 (400 words)

Why Rain Water Harvesting is Necessary:

Surface water cannot fulfill the demand of water for various purposes.
Everyone depend on the ground water for their every need.
Deforestation, rapid urbanization, rain water infiltration to the sub-soil, etc reasons are continuously decreasing the level of ground water.
Rain water conservation maintains the level of water in natural water resources.
It reduces the chance of flooding of water on the roads, reduces the risk of soil erosion and improves the quality of water.

Following are main techniques of rain water harvesting:

Collecting rainwater to the surface for future use.
Recharging the ground water.

Rain Water Harvesting Essay 7 (800 words)

Introduction

Rainwater Harvesting Methods/Rainwater Harvesting System

Primarily there are two types of rainwater harvesting methods as classified below-

1) Surface Runoff Harvesting

2) Roof Top Rainwater Harvesting

Rainwater Harvesting in India

2) Surangaas

Importance of Rainwater Harvesting

India’s Silicon Valley Faces a Water Crisis That Software Cannot Solve

Bengaluru gets plenty of rain. But the city did not properly adapt as its soaring population strained traditional water sources.

Filling up with subsidized water at a government distribution center in the Indian city of Bengaluru, also known as Bangalore. Credit...

Supported by

By Damien Cave

Photographs by Atul Loke

Reporting from Bengaluru, India

Published March 31, 2024 Updated April 2, 2024

The water tankers seeking to fill their bellies bounced past the dry lakes of India’s booming technology capital. Their bleary-eyed drivers waited in line to suck what they could from wells dug a mile deep into dusty lots between app offices and apartment towers named for bougainvillea — all built before sewage and water lines could reach them.

At one well, where neighbors lamented the loss of a mango grove, a handwritten logbook listed the water runs of a crisis: 3:15 and 4:10 one morning; 12:58, 2:27 and 3:29 the next.

“I get 50 calls a day,” said Prakash Chudegowda, a tanker driver in south Bengaluru, also known as Bangalore, as he connected a hose to the well. “I can only get to 15.”

People fill weathered plastic buckets with water that is coming out of a series of taps, lined up in a row.

The Silicon Valley of South Asia has a nature issue — a pain point that software cannot solve. In the sprawl beyond Bengaluru’s core, where dreams of tech riches usually grow, schools lack water to flush toilets. Washing machines have gone quiet. Showers are being postponed, and children with only dirty water to drink are being hospitalized with typhoid fever.

The big problem afflicting Bengaluru is not a lack of rain (it gets plenty, about as much as Seattle), but rather what often holds this giant, energetic nation back: arthritic governance. As the city rushed toward the digital future, tripling its population to 15 million since the 1990s and building a lively tech ecosystem, water management fell behind and never caught up as otherwise healthy aquifers were drawn dry by the unchecked spread of urban bore wells.

Failures of environmental stewardship are common across a country with severe pollution and an acute need for economic growth to provide for 1.4 billion people, spanning political parties and India’s north-south divide . But Bengaluru’s water struggle is especially withering for many — and motivating for some who have water sales or reform in mind — because the city sees itself as an innovator. And in this case, the causes and solutions are well known.

“There is no crisis of water availability,” said Vishwanath Srikantaiah, a water researcher and urban planner in Bengaluru. “It’s a clear-cut crisis of state failure.”

Viewed another way, he added in an interview at his home, where books about water and rivers were stacked nearly to the ceiling, it is a crisis caused by a lack of imagination.

As public policy experts tell it, Bengaluru and the broader state of Karnataka have been too slow to plan for growth, too divided across agencies and too rigid in their reliance on pumping water uphill from reservoirs along the Kaveri River more than 50 miles away.

Despite a long history of local hydrology — Nadaprabhu Kempegowda, the 16th-century founder of Bengaluru, built hundreds of cascading lakes for irrigation — officials have mostly stuck with the traditional engineering option that their predecessors turned to in the 1950s and ’60s.

That is the case despite its challenges and expense. The energy cost alone for pumping eats up 75 percent of the Bangalore Water Supply and Sewerage Board’s revenue, while supplying only around half of what the city needs.

The rest, for decades, has come from bore wells — holes about six inches wide that act like straws for water from aquifers below. An authority separate from the water board has punched 14,000 of them into the ground, half of which are now dry, according to officials. Experts estimate that residents have drilled an additional 450,000 to 500,000 into the cityscape, without the government’s knowing where or having a clear sense of their impact.

In much of the city, the wells are like doorbells, plentiful but seemingly invisible until someone points them out. Drilling failures appear as cutout circles on quieter streets; successes are often covered in flowers, with a black hose snaking into a home down the street.

Spending a day in the cab of Mr. Chudegowda’s tanker truck offered a glimpse of how the ad hoc system works. At one stop, drivers wrote their times in a logbook while cameras watched how much they took. At another the supply was slow and organized: A half-dozen drivers took 20-minute turns for fill-ups of around 6,000 liters, or about 1,600 gallons, just a few steps from a lake depleted to a puddle. At a third, a building owner sold a load to Mr. Chudegowda without the wait.

“Every minute counts,” he said as he climbed out of the truck.

His customers ranged from a bra factory with 100 workers to a small apartment building, all within a few miles to maximize profit. He charged each up to 1,500 rupees ($18) for each tanker load, more than double the going rate from a few months ago, which he considered justified because costs had gone up.

Drills — easily hired from companies with storefronts across the city — often fail to find water or have to go deeper now, which means more electricity and gas for the pumps pulling precious liquid from the earth.

The effects, while not at “Dune”-like levels, have become more visible in recent weeks, especially in the tech corridors, with their blur of luxury apartments, slums, mobile phone stores, malls, in vitro fertilization clinics and shimmering offices.

In Whitefield, a busy software hub, Sumedha Rao, a teacher at a new public school, offered to ask her class of 12-year-olds about their experiences with water scarcity. The hallways were painted in bright colors with words of encouragement — resilience, citizenship, collaboration. In class, they were asked how often they have water at home.

“One day a week, ma’am,” said a girl with pigtails.

“We just have a bucket,” said a boy near the back.

“There’s no water in the bore wells,” shouted another.

Many take small amounts of drinking water from school taps for their families — only one water bottle per child, because it is all the school can spare. Behind a play area the color and consistency of ground ginger sat a hulking pile of metal: a broken bore well.

“The motor stopped working,” said Shekar Venkataswamy, a physical education teacher with a brigand’s mustache.

Walking toward his home behind the school, he pointed to a dry hole where drilling failed, and one where it worked. A few thousand families take turns using the water for an hour each, with an elaborate schedule that is tightly managed.

Community leaders expressed pride in how they were handling the crisis, softening the blows of sacrifice. Many others have been inspired to broader action.

One morning, four tech workers who had become water activists showed up in a northern corner of the city where Mr. Srikantaiah, the water researcher, had worked with the local community to rejuvenate a once trash-strewn lake. A small network of gurgling filters and pipes sends out 200,000 liters of potable water per day.

“It will soon be 600,000,” Mr. Srikantaiah said. And the price per customer: nearly a third of what tanker drivers are charging.

The tech workers said they planned to share the details with neighbors and officials, to spread the word that a lake, using rainwater and lightly treated sewage, could be turned into a safe, affordable, reliable water source.

In an interview at his office, the chairman of the water board, Ram Prasath Manohar, 43, a seasoned government administrator installed three months ago, embraced the idea.

Acknowledging that some past officials had thought narrowly about water management, he said he hoped to attract public and private money for a more innovative approach, mixing data-driven methods that would revive lakes to let aquifers recharge and would expand rainwater harvesting and conservation.

“We’re going for a greener solution,” he said. “A more effective solution.”

So far, though, progress has been slow. He has not been able to hire any additional staff, he said, and he is working from 6 a.m. to 2 a.m. every day.

Short-term relief, he prays, will come in the next few weeks, with reservoir water extended to more parts of the city and the expected spring rains. Most of all, like many others in India’s Silicon Valley, he hopes all the public attention to water scarcity will add momentum for long-term change.

In one corner of his offices, a quote from Benjamin Franklin had been printed on a piece of paper and pasted to a window: “When the well is dry, we know the worth of water.”

“This crisis,” he said, rubbing his tired eyes, “it gives us an opportunity.”

Imran Khan Pathan contributed reporting.

Damien Cave is an international correspondent for The Times, covering the Indo-Pacific region. He is based in Sydney, Australia. More about Damien Cave

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Essay on Water Harvesting
Essay # 4. Concept and Definitions of Water Harvesting: In broad sense, the water harvesting is defined as the "collection of runoff for its productive use". The rainwater (overland flow/runoff) may be harvested from the roofs and ground surfaces or from the intermittent or ephemeral streams (water courses).
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Most importantly, rainwater harvesting improves the quality of water which we consume, as it is the purest form of water. Get the huge list of more than 500 Essay Topics and Ideas. Rainwater Harvesting Methods. Rainwater harvesting is a very simple method that can be practiced by anyone. There are primarily two types of rainwater harvesting ...
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Conclusion of Essay on Water Harvesting. In conclusion, water harvesting is a practical and sustainable solution to address the global water scarcity crisis. It not only conserves water but also offers economic, environmental, and social benefits. As our world faces increasing challenges related to water availability, implementing water ...
PDF Rainwater Harvesting: A Comprehensive Review of Literature
Introduction to Rainwater Harvesting Rainwater harvesting is the method by which rainwater that falls upon a roof surface is collected and routed to a storage facility for later use. As shown in Figure 1, rainwater harvesting (RWH) systems are a compilation of many components and processes, including (but not limited to) a catchment surface,
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Rainwater harvesting helps reduce the pressure on traditional water sources like rivers, lakes, and underground aquifers. Furthermore, it mitigates the risk of over-extraction, a critical concern in many regions. By harnessing rainwater, we can also build resilience against droughts and water shortages, ensuring a more reliable water supply.
Rainwater harvesting
Rainwater harvesting. Basic configuration of domestic rainwater harvesting system in Uganda. [1] Rainwater harvesting ( RWH) is the collection and storage of rain, rather than allowing it to run off. Rainwater is collected from a roof like surface and redirected to a tank, cistern, deep pit (well, shaft, or borehole), aquifer, or a reservoir ...
Water
The global literature indicates that rainwater-harvesting systems have an average potential for potable-water savings of 53% . Some studies indicate that rainwater-harvesting systems can promote economic savings [8,16,18,20], while others conclude they are unfeasible [17,21,22]. In recent years, the tariff format of the water service provided ...
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2.1. Planning the review. RWH is defined as the process of collection and storage of rainwater using a storage tank from catchment areas under rainfall events to facilitate rainwater as an alternative to tap water, which can be later used for potable and non-potable purposes (Ali et al., 2020).RWH is recognized as a process of capturing, storing, and using rainwater as an alternative to ...
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Conclusion: Rainwater harvesting is a sustainable and eco-friendly solution to address water scarcity and promote responsible water management. Its implementation not only conserves water but also contributes to environmental sustainability. ... Essay on Rainwater Harvesting (100 Words) Rainwater harvesting is a sustainable practice capturing ...
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Conclusion of Essay on Rainwater Harvesting. In conclusion, rainwater harvesting is a practical and eco-friendly solution to conserve water, protect the environment, and save money. By capturing rainwater, we reduce the strain on freshwater resources, prevent flooding, and contribute to a healthier ecosystem.
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Rain Water Harvesting Essay 1 (100 words) Rain water harvesting is a technique used for collecting and storing rainwater by using various means in different resources for the future use purpose (like cultivation, etc). Rain water can be collected into the natural reservoirs or artificial tanks. Another method of collection is infiltration of ...
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Conclusion. Rainwater harvesting is an eco-friendly technique to save water. It also increases level of ground water. Effective use of this method helps us to Save our earth. I hope you liked this informative article on Rainwater harvesting. ... Essay on Chandrayaan 1, 2 and 3 in 1000 Words for Students and Children;
Essay On Rain Water Harvesting
Measurement Folio Task Rainwater Harvesting Introduction: In today's world, the scarcity of water due to global warming and climate changes is a major problem. This cannot be reduced just by introducing water restrictions, it is necessary to collect and store water in order to use them during droughts and situations where the supply of ...
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Essay on Rain Water Harvesting
Description: Surface runoff harvesting involves collecting rainwater from open ground surfaces, such as roads, pavements, and open fields. Components: The catchment area comprises the ground surface, and channels, drains, or trenches collect rainwater.We can direct the collected water to storage tanks or use it to recharge groundwater. Advantages: Suitable for areas with limited roof space or ...
Rainwater Harvesting Methods, Importance, Conclusion
Rainwater Harvesting Methods, Importance, Conclusion. Rainwater harvesting is a method of collecting, storing, and using rainwater for irrigation and other functions. It is a strategy for increasing water available for human use in areas of scarce water resources, and can help to reduce flooding and erosion, and improve water quality.
Rainwater Harvesting and its Importance
It helps to reduce soil erosion too. One of the major advantages of rainwater harvesting is that it doesn't require a huge amount of land to be functional. When toxic substances enter lakes, streams, rivers, oceans, and other water bodies, they get dissolved or lie suspended in water, or get deposited on the bed.
Rainwater Harvesting Essay
Essay on Rainwater Harvesting 350 words: Rainwater harvesting is the accumulation, storage, conservation, and filtration of rainwater in the future for drinking water or for many other uses; the stored rainwater has to be maintained regularly. The main objective of rainwater harvesting is to collect rainwater from a large surface above and then ...
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Bathing water can be recycled and used for planting or cleaning. Rainwater harvesting is the method of collecting rainwater and conserving them for future use. Conservation of groundwater is another important method in the preservation of groundwater and using it in the future. Prevention of waterlogging. Conclusion
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100 Words Essay on Rain Water Harvesting Introduction. Rainwater harvesting is the process of collecting and storing rainwater for later use. This method is a sustainable and economical way to use water, especially in areas where water is scarce. ... In conclusion, rainwater harvesting is an efficient, cost-effective, and environmentally ...
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Essay on Rain Water Harvesting for Children and Students
Rain Water Harvesting Essay 3 (200 words) Rainwater harvesting means collecting the rain water into the natural reservoirs or man-made tanks. It is the technique to collect and store rainwater for various purposes in the future. The most common and easy method of rain water harvesting is the rooftop harvesting.
Water Crisis in India's Silicon Valley
The water tankers seeking to fill their bellies bounced past the dry lakes of India's booming technology capital. Their bleary-eyed drivers waited in line to suck what they could from wells dug ...

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