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The Essential Guide to Water Management

Posted by Sasi Kumar on March 3, 2023

Water Management

Our fundamental manual for managing water resources. We have a difficult challenge in an unpredictably changing environment as a result of climate change and human activities.

Nowadays, water management differs from what it was five, ten, or even twenty years ago. Managing water supplies has become a more difficult undertaking in an environment that is becoming more unpredictable due to issues like climate change and the consequences of human activities. To create strategies for managing the water cycle collaboratively and comprehensively, both private and public parties must work together. Water resources management makes it possible to manage water resources efficiently across all water users, academic fields, and even geographic borders. More than 40% of people on the planet are impacted by water scarcity. 70% of all fatalities resulting from natural catastrophes are caused by disasters involving water. The majority of nations today are putting unheard-of pressure on water supplies. Estimates indicate that by 2030 if current trends continue, there will be a 40% gap between water supply and demand due to the rapid growth of the world’s population. Moreover, catastrophic weather (such as floods and droughts) and chronic water scarcity are seen as some of the largest dangers to world peace and prosperity. More people are becoming aware of how drought and a lack of water are escalating fragility and violence. All you need to know about managing water resources, including its definition, goals, the creation of regulations, and more, are covered in the following article.

What is Water Management?

Planning, developing, and managing water resources in terms of both water quantity and quality across all water applications is known as water resources management (WRM). It consists of organizations, facilities, financial aid programmes, and information systems that support and direct water management.

In simple words, Planning, producing, distributing, and monitoring the best use of water resources are all parts of the activity of water management. Water is a fundamental need. No animal or plant can survive without water. Water is in short supply. Water is carefully preserved and managed to prevent this scarcity.

The goal of Water Management

Water resources management aims to provide water security. No one road to water security can be “predicted and planned” for a fast-expanding and urbanizing global population against a backdrop of rising climatic and non-climatic uncertainty. Building capability, flexibility, and resilience for future water resource planning and management are necessary to enhance water security.

Different types of water management methods

Rainwater harvesting

what is water managementRainwater harvesting (RWH) is the practice of collecting and storing rainwater as opposed to letting it flow off. Rainfall is gathered from a surface that resembles a roof and channelled by percolation to a tank, cistern, deep pit (well, shaft, or borehole), aquifer, or reservoir. With the use of nets or other instruments, dew and fog may also be gathered. In contrast to stormwater harvesting, rainwater harvesting collects runoff from roofs rather than from roads, sewers, streams, or any other land surface. It may be used for irrigation, home usage with correct handling, watering gardens and cattle, and domestic heating. A groundwater recharge or longer-term storage project may be undertaken using the gathered water.

To prevent groundwater depletion, Tamil Nadu was the first state to mandate rainwater collection for every structure. The programme was introduced in 2001 and is now being used in all of Tamil Nadu’s rural districts. Raising awareness of rainwater harvesting is done through posters posted all around Tamil Nadu, including in rural regions. Tennessee’s official website. During five years, it produced great results, and gradually, every state adopted it as a model. In the five years following its installation, Chennai’s water level rose by 50%, and the water quality greatly improved. Those who live in the Thar Desert have historically harvested rainwater in Rajasthan. In Rajasthan, some antiquated water-collecting devices have recently been reactivated. Rainwater collection is currently required for every new construction in Pune.

Groundwater recharge

water management projectThe improvement of natural groundwater supplies by the use of man-made conveyances, such as infiltration basins, trenches, dams, or injection wells, is known as groundwater recharge. Groundwater recharge techniques known as aquifer storage and recovery (ASR) are used to increase groundwater supplies while also storing the water for future use. Rain and snowfall, as well as surface water, naturally replenish groundwater (rivers and lakes). Human actions like pavement, construction, or logging may inadvertently hinder recharge. These operations may lead to topsoil loss, which may decrease water infiltration, increase surface runoff, and decrease recharge. Groundwater usage, particularly for irrigation, may cause the water tables to drop.

The volume rate that is drawn from an aquifer over the long term should be less than or equal to the volume rate that is recharged, making groundwater recharge a crucial process for sustainable groundwater management. Recharge can assist in the transfer of extra salts that build up in the root zone to deeper soil layers or into the groundwater system. Tree roots decrease water discharge by increasing groundwater saturation. By shifting clay soils downstream, flooding temporarily enhances the permeability of river beds, which boosts aquifer recharge.

Drip irrigation

water management upscDrip irrigation is a sort of micro-irrigation system that enables water to drop gently to plant roots, either from above the soil surface or buried below the surface, with the ability to conserve water and nutrients. Direct irrigation into the root zone with the least amount of evaporation is the aim. A system of valves, pipes, emitters, and tubing is used in drip irrigation systems to deliver water. Drip irrigation systems, as opposed to sprinkler irrigation or surface watering, may be more effective depending on how effectively they are created, installed, maintained, and used.


water resources karnatakaThe water that is softly used in your bathroom sinks, showers, tubs, and washing machines is known as greywater. No, neither water from washing diapers nor water from the toilet has come into touch with excrement. Traces of debris, food, grease, hair, and certain home cleaners may be present in greywater. Greywater is a harmless and even useful source of irrigation water for a yard, even though it may appear “filthy.”

Greywater is water that has been routed to a surge tank from sinks, bathtubs, and showers. Before being released to an irrigation or treatment system, the greywater is temporarily stored in the tank. Greywater can be redirected using a pump or by employing gravity. Any kind of container that can hold the first surge of water while not storing it can serve as the surge tank. Every time greywater is distributed to the irrigation system or treatment system, the surge tank must be entirely drained; greywater cannot remain in the tank for long periods. Only when there is enough fall from the laundry/bathroom drain to the surge tank can a gravity system be employed.

Sewage water treatment

The process of sewage treatment involves eliminating impurities from municipal wastewater, which mostly consists of sewage from homes and some industrial effluent. Contaminants are eliminated through physical, chemical, and biological processes to create wastewater (or treated effluent) that is safe to discharge into the environment. Sewage sludge is a semi-solid waste or slurry that is produced as a byproduct of sewage treatment. Before being appropriate for disposal or application to land, the sludge must undergo further treatment.

Conjunctive use

The term “conjunctive usage” refers to the coordinated use of surface water and groundwater, or, more simply put, going with the flow to optimize adequate output. The technique of utilizing water from two separate sources for consumptive uses in an irrigation context is known as the concurrent use of groundwater and surface water. Conjunctive usage can refer to a farming method where water is obtained from both a well and an irrigation delivery canal, or it can refer to an irrigation command-level strategy where inputs from both surface water and groundwater are centrally regulated as an input to irrigation systems.

Our Part in Reducing Water Waste

By reducing water waste at home, we can conserve water. The following are some methods to reduce waste:

  • Fix the leaky faucets as soon as you can. Water is lost a lot because of leaking taps. Be sure to swiftly shut off the faucet after each usage.
  • Do not continuously leave the tap running while you are brushing your teeth or washing your hands.
  • Fill a bucket with water and take a bath rather than standing directly beneath a running faucet. Instead of washing the silverware next to a running faucet, fill a basin with water and do it there.
  • Utilize the water left over after washing the fruits, veggies, or rice to hydrate your indoor plants.
  • Don’t use the complete cistern flush when a half flush from the toilet is plenty.
  • Replace regular floor washing with daily mopping.


Every year on March 22, World Water Day is observed to promote awareness of the need to conserve water. In 2003, the International Year of Freshwater was established to further increase awareness of this rapidly disappearing natural resource. This blog taught us how crucial it is for us to carefully manage and conserve our water supplies.  We also looked at long-term management techniques like rainwater collecting and drip irrigation, as well as strategies to conserve water at home.

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