Water Yield Testing is a crucial process to evaluate the amount of water a borewell can produce. This test determines whether the borewell can meet the water demand for its intended use, whether domestic, agricultural, or industrial.

Procedure:

1. Pumping Test: A submersible pump is installed in the borewell to extract water continuously over a specific period. The rate of water flow is carefully measured in liters per minute (LPM) or cubic meters per hour (m³/hr).

   
   

2. Drawdown Measurement: During pumping, the water level in the borewell is monitored to observe how much it drops (drawdown). This helps in understanding the aquifer's capacity to replenish the water.

   
   

3. Recovery Test: After stopping the pump, the rate at which the water level recovers is measured. Quick recovery indicates a strong aquifer, while slow recovery may signal limited water availability.

   
   

4. Analysis: The collected data is analyzed to calculate the sustainable yield, ensuring the borewell can continuously supply water without over-extracting the resource.

Benefits:

• Domestic Use: Ensures sufficient water supply for daily household needs.
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• Agricultural Use: Confirms that the borewell can support irrigation requirements, especially during dry seasons.
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• Industrial Use: Verifies the capacity to meet large-scale water demands, critical for uninterrupted operations.

Water Yield Testing is essential for long-term borewell sustainability and efficient water resource management.