Impact Study of NABARD Rural innovation project of Bore well recharge ...

              

Impact Study of NABARD Rural innovation project

 How does this project best address a specific issue in this area?

In this area most of the farmers depend on bore wells for irrigation because they have not river and cannels.  The farmers are facing water scarcity during post monsoon and summer season because the underground water level is depleted due to digging of many bore wells in the nearby places.  Underground water table is 300 to 400 feet depth.  All open wells are dried in villages.  So, farmers are diverting from the agriculture and in search of their livelihood they are migrating to the nearest cities.  The core problem is lack of ground water availability.

How we implemented this project

·         We selected Belavantar,Tabakad honnalli, Somanakoppa ,Tavarageri,and Aralihonda , of Dharwad district Kalagatagi Taluk .

·         Visited Grama sabha all respected villages. Given in information about Bore well recharge techniques.

·         Visited every bore wells farmers lands

·         Meeting with selected bore well farmers. Discussed on budget of bore well recharge how NABARD contribution and farmers contribution.

·         Discussed with them how NABARD will help of Bore well recharge project.

Bore well recharging techniques

·         Select a bore Well Which is in use for agriculture and drinking water purpose and see the feasibility of access of rainwater flow to the proposed Injection Well.

·         Creation of a well near the existing Bore well

·         Reinforced concrete cement rings to construct recharging well to hold the Filtered water, since any bore well will not be able to percolate all the received rainwater at a enlarge. Hence the storage of water is indispensable for the slow percolation.

·         Reinforced perforated slab is to be used before filtration media

·         Around the existing bore well a new bore well has to be dug and that bore well has to be filled up with small gravel.

·         HDPE pipe is to be inserted into the Bore well and both Ends should be making hole surrounding casing to three feet height.

·         The gravel packing surrounding the HDPE casing Pipe enables the easy movement of the rain water from the casing pipe to the surrounding aquifer dried joints and cracks.

·         Fixing of the specially designed mesh or wire Non Clogging strainer to the HDPE casing pipe to allow the water into the casing pipe to recharge the groundwater.

·         Make a SILT TRAP near the INJECTION WELL with a pipe Connection to the INJECTION WELL to facilitate the flow of rainwater from the ground. Channels to be prepared and lead the water into the SILT TRAP

·         Through this channel, the rainwater falling from roof top, the water flowing from roads and field etc to be conveyed to the SILT TRAP first, in order to make the rainwater flow to INJECTION WELL.

·         The rainwater flowed through the Filtration Process and collected in the INJECTION WELL slowly percolates through the mesh or Wire into the ground and reaches the dry joint, cracks and aquifer and recharges the GROUND WATER SOURCE.

·         This mesh or WIRE TECHNOLOGY helps percolate large quantity of water, which otherwise would have gone waste by runoff. There by it not only increases the ground water quantity but also reduces the salinity and fluoride contents in the water, by dilution effect

Impact of Bore well recharge

·         In kalagatgi Taluk farmers are got Knowledge of  Bore well recharge

·         One of the good expose   visits place in Kalaghatagi taluk five villages of  bore well recharge techniques.

·         Bore well recharge massage spread all surrounding farmers 

·         We have implemented 24 bore well recharge almost 20 bore wells are recharged its seems indicator of bore well recharge.

·         Surrounding farmers are visiting our project implemented villages.

·         Farmers to farmers discussing about bore well recharge by phone and site visit.

·         Crops diversification.

·         Farmer’s Economical status changed because of that farmer able to in summer days also agriculture activities are stated.

·         Once the project is implemented, the same will be spread over in the surrounding villages as a result it becomes easy for others to adapt this project.

·         Publishing case studies in the magazines and news paper 

·         Bore well recharge success story spread massages to mouth to mouth

·         Organizing field visit.

OBJECTIVE Steep decrease in ground water level. If steps are not taken now to redress this trend, there will be a likely hood of huge crisis of potable water within a decade. Because of overpopulation, an agricultural and industrial development the overexploitation of underground water by sinking Bore wells was assumed to be inevitable without forethoughts, which could cause detrimental consequences. Reckless depth of sinking Bore wells resulted uncertain yields and impure water. The present situation is that the depth has gone to the extent of more than 1200 feet, which was earlier 150 feet. Only alternative of rescue is to Re-charge the underground water table through Rain Water Harvesting System. Example: for the above said situation KOLAR district is an example (Karnataka State, India). INNOVATIVE: (FARMLAND RECHARGING WELLS) It is innovative and unique because it ensures that only clean rainwater is used to recharge the Bore well. Our method is the only method, which creates a water column of 10  feet height around the casing pipe. This unique method causes speedy percolation of the stored water into the deeper underground water source. The conventional methods of other kind are not capable to recharge the underground water to such depths in using the stored and filtered rainwater. RESULTS 0ur method ensures appropriate recharge of the Bore well. We have documented the data for several Bore wells. The water yield in the Bore well has increased manifolds even with the Rainfall for one season. Besides, the quality of the water has improved considerably. It has changed the livelihood of the farmers and also Urban and Rural population economically wherever this unique system is implemented because of the availability of sufficient water for drinking & irrigation purpose. VIABILITY There will not be any recurring expenses thereafter. The FARMLAND RWH SYSTEM prevents drying up of the Bore well. Thereby investment of Rs.1 lakhs  to Rs. 1.5 lakhs for a new Bore wells . (Depending on the depth of the Bore well), and also there is no guarantee of striking the water where the Bore well is drilled. By adopting OUR UNIQUE Direct bore well recharge SYSTEM only for spent Rs.35 to 45 thousands (depending on area )  the availability of the water will be guaranteed. The project cost can be easily recovered from the user families during a period of 2 to 3 years. SUSTAINABILITY: Our project certainly protects the environment by preventing over-exploitation of the vital natural resource i.e. water. In addition, it provides environmental benefits by fully utilizing the rainwater by recharging of Bore wells and improving the underground water source. It also reduces the erosion of the precious topsoil by arresting the runoff water from the farms and open fields.                  Special highlights of the project The PMRC meeting was attended by the LEAD bank manager Mr. Basavraj Hugar. So impressed was he with our work that he agreed to sanction loans to any farmer that wanted one to implement the bore-well recharge structure. It really was good to hear from an outside, appreciation for our work

            Challenges faced

• Bore well recharging has to be implemented prior to rainy season.
• Man power (labors) availability in time is quite difficult.
• Requires high equipments (expensive).
• Any minor mistakes by the farmers while implementing the project can damage the whole process.
• The main disadvantage of rain water harvesting is due to the limited supply and uncertainty of rainfall.

·         People tend to 100% grant model.

·         People don’t know soil condition.

·         Sometimes result will be very late.

·         SRDS faced numerous challenges during implementation of the project such as:

·         Fluctuation in the market rates of materials such as stones and sand.

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·         Since excavation related activities cannot be carried out during rainy seasons, SRDS had to ensure that implementation was completed before the start of the rains. This left us with a very short time for implementation.

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·          Excavation machine (JCB) owners were reluctant to let us hire the machine for short periods of time.

                  

  Scope for replicability / scalability

·         SRDS’s bore-well recharge technique is extremely replicable and can be

Note: in this year rain fall is very in so some bore well are not recharged but farmers have got idea this techniques will help there bore wells.

From scaled up to any bore-well in the world, let alone India or the state with only minor customization such as the use of a different type of catchment structure in areas with space constraints.

Sikandar Meernayak

CEO

Sankalpa Rural Development Society

Hubli 3