USGS Washington Water Science Center
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The Issue: Since 1952, water diverted from the Columbia River for irrigation in parts of the Quincy Subarea in eastern Washington has resulted in rising groundwater levels and increased groundwater flows and storage. Managers of groundwater in the area need a better understanding of the flow system before and after the start of irrigation.
How the USGS will help: In a joint effort with Washington State Department of Ecology and the Bureau of Reclamation, the USGS will define the hydrogeology of the study area, determine flow patterns of the groundwater system and quantities of movement, and create a computer model to simulate the effects of management scenarios on groundwater availability.