Borewell Recharge An environment-friendly initiative
Introduction
Natural water resources may readily be restored to nature because water is classified as a renewable energy source. However, excess of anything is indeed harmful; the rate at which natural groundwater is utilized, or rather exploited, does not correspond to the rate at which it is replenished. Groundwater beds become depleted as a result, which causes chaos during droughts and increases irrigation needs.
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A problem is a large number of borewells.
Borewells are irrationally extracting water from the earth. The only alternative for replenishing the depleted groundwater is rainwater, however, this natural process of rainwater seeping through fittings and cracks under the ground is a very sluggish one. According to research, barely 5–10% of seasonal precipitation seeps into the groundwater in hard-rock locations. Additionally, when there is insufficient rainfall, there is insufficient underground water renewal. Environmental and water conservationists collaborated and developed the Borewell recharging system. The plan was straightforward: create and use techniques for rainwater collection, then use borewell drilling in Chennai to send the collected surface water directly into the aquifer.
Recharging the Borewell
Technically, borewell recharge depends on the utilization of harvested surface water (obtained from adjacent water bodies or through rainfall), when runoff water starts to travel through a built-in filter constructed of big and small stones. Water then travels through a second layer of sand before entering the borewell pipe through a fine mesh that is wrapped around the drilled casing pipe by borewell contractors. Before the water enters the borewell, the fine mesh assures the removal of both large and small contaminants.
Farmers in India use one of two borewell recharge techniques:
Using Direct Recharge
The direct recharging technique uses a
- A percolation pit, typically 10 by 10, is excavated around the casing pipe of the tubewell.
- The holes in this casing pipe are then filled with nylon mesh after being perforated with a drill machine. The borewell is crossed by the water despite the mesh’s ineffective assurance.
- The pre-cast RCC (Cement) rings are now positioned around the borewell casing so that the collected water can infiltrate through them and into the nylon mesh of the casing pipe, where it can then spread out through the mesh’s holes.
- Filtering materials like sand, gravel, crushed stone, jelly, and other such materials are then placed in the space between the well’s walls and rings.
- The bore well is refilled by diverting rainwater from a nearby water body, like a catchment pond, into this well, where it is filtered before continuing to seep into the casing pipe.
Only when the borewell has run dry or is producing very little water is direct borewell refilling advised. If there is excess surface water, it can even be recharged directly into a running borewell rather than being flushed down the drain and squandered. Although it is strongly advised against allowing unfiltered surface water to seep into the earth, doing so could clog the aquifer with contaminants like hazardous minerals like fluoride and industrial chemical waste by coming into contact with a nearby borewell.
Indirect Recharge
The following are some indirect recharging methods for borewells:
- The pit is not dug around the casing pipe; rather, it is dug within a 20-foot radius of it, with a minimum space of 3 feet remaining between the borewell and the recharge well.
- The casing pipe also contains holes covered with nylon mesh, similar to the direct borewell recharge method, and the well is filled with filtering materials to allow water to soak in while keeping chunked contaminants at bay.
- Here, in indirect borewell recharge, water seeps into the pipe through nylon mesh and casing pipe holes after traveling through the ground and arriving at it.
For well-functioning borewells that haven’t yet run dry, indirect recharge works best with contact hand borewell drilling in Chennai. In the event of dry seasons of the year, this will guarantee that surface water will always be available.
The benefits of direct borewell recharge
The direct borewell recharge method’s sophisticated technology has made it possible to access groundwater of the appropriate quality that is suitable for drinking and irrigation. The following are some positive effects of this technique:
- There is a sizable store of water for sudden needs during the season’s driest periods. Using this technique, borewells of any condition can be filled.
- The general public may easily comprehend this straightforward process for purifying surface water and pushing it into the ground. You must evaluate borewell rates in Chennai.
- If done carefully, it is environmentally friendly.
- Harvesting rainfall, a pure source of water, can increase an aquifer’s capacity while reducing the number of contaminants that enter the groundwater.
- With this approach, negative social effects like population displacement or the loss of farmland are avoided.
- Thanks to its tightly woven construction for collecting and conveying water to the borewell, this method of storing surface water reduces the amount of water loss due to evaporation in comparison to other storage techniques.
Conclusion
Samy Borewells is a company that offers a variety of services and rain harvesting techniques under one roof. The business offers the most cutting-edge filtration methods for collecting rainwater.
