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Aquifer Storage and Recovery Pilot Test begins

South Fork Kings GSA is carrying out an Aquifer Storage and Recovery (ASR) pilot test, an innovative groundwater management method that involves injecting water for underground storage to be withdrawn later. Click here to learn more about the background behind the South Fork Kings GSA ASR Pilot Test.

The test began Monday, June 21st. South Fork Kings GSA is not using Lemoore Canal water, but the GSA is using their canals to carry out the test. The water for the test was purchased from a landowner. However, because the water will be returned, South Fork Kings GSA will only be paying for any water that is lost during the test.

The water will be injected for 30 days at approximately 800 gallons per minute and stored for 60 days. During this time, water levels in surrounding wells and the quality of the water injected will be monitored.

The water will then be extracted around September and returned to the landowner. The amount of surface water that is extracted and returned will be tracked. This will help the GSA to determine the efficiency of the test and how much water (if any) was not recovered.

In the future, this process could allow excess surface water to be stored in aquifers for future use in dry periods. Storing surface water and extracting it at the best time could play an important role in maximizing surface water supply in the region.

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