Description: Groundwater levels continue to drop in response to drought conditions! The Sustainable Groundwater Management Act (SGMA) requires that water levels come into balance by 2040. Lowered water levels can also substantially decrease the efficiency of irrigation pumps, costing growers more money to irrigate their crops. How are growers to monitor their changes in groundwater levels and associated changes in pumping costs?

For many years, the Advanced Pumping Efficiency Program (APEP) has subsidized pump efficiency testing for growers in the PG&E territory, offering subsidized pump tests every two years for a pump. But with drought impacting growers more severely and increased regulatory requirements for reporting changes in water levels, growers need to plan ahead for compliance tracking in their own deep wells. This class will focus on the various technologies commonly used to continuously monitor aquifer water level changes.

Additionally, this class will discuss how information supplied by well monitoring (flowrates, discharge pressure, and energy in) can give growers a continuous measurement of Overall Pump Efficiency (OPE) so they can more quickly determine changes in the costs to move water that arise from variable or fluctuating water levels.

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