Embedded Files
The SVRP aquifer is a valuable resource and is the source of drinking water for more than 500,000 people (Kahle 2007). In the USGS Compilation Report, it is stated that, "Withdrawals from irrigation, industrial, and self-supplied domestic wells typically are not reported, therefore pumpage must be estimated using ancillary data like per-capita domestic use or crop consumptive-use coefficients to estimate annual or seasonal withdrawals" (Kahle 2005). Adding to the complication of aquifer management, the responsibility of managing the SVRP aquifer is shared by both the state of Idaho and Washington (Kahle 2005). The SVRP aquifer is not currently threatened by overuse or contamination.
Kahle, S. C.; Bartolino, J. R. Hydrogeologic Framework and Ground-Water Budget of the Spokane Valley-Rathdrum Prairie Aquifer, Spokane County, Washington, and Bonner and Kootenai Counties, Idaho. Scientific Investigations Report 2007-5041 2007. DOI:10.3133/sir20075041.
Land Use Map of Aquifer Region
Land Use Map of Aquifer Region
This figure displays the land use over the SVRP aquifer. It shows that the northern section is largely forest, the central section is primarily used for agriculture, and the western section is urban development (Kahle 2007).
Kahle, S. C.; Caldwell, R. R.; Bartolino, J. R. Compilation of Geologic, Hydrologic, and Ground-Water Flow Modeling Information for the Spokane Valley-Rathdrum Prairie Aquifer, Spokane County, Washington, and Bonner and Kootenai Counties, Idaho. Scientific Investigations Report 2005. DOI:10.3133/sir20055227.
Aquifer Withdrawal Estimations Table
Aquifer Withdrawal Estimations Table
This table breaks down how much water is being pumped out of the aquifer, the state it's associated with, and its use. The main uses of the aquifer are industrial use (manufacturing), irrigation use (agriculture), municipal use (state), and domestic use (residential). The figure for "Systems of Recharge" is located under the hydrologic setting page and provides a good perspective of how these values influence the aquifer's water budget.
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