Grande Ronde Aquifer
The Grande Ronde Aquifer is part of the regional Columbia Basin basalt aquifer system in the northwest United States, and is one of three aquifer systems that make up the Water Resource Inventory Area (WRIA) 32,[1] along with the Wanapum and Saddle Mountain aquifers.[2] The aquifer is the main source of drinking water for the primary population centers of the Palouse; the university cities of Pullman, Washington, and Moscow, Idaho.[3][4]
For several decades the water levels in the Grande Ronde Aquifer have been in decline – up to three feet (0.9 m) per year – due to pumping by the cities and universities.[4]
References
[edit]- ^ "WRIA 32 Walla Walla Map Themes". State of Washington Department of Ecology. 9 July 2013. Retrieved 21 October 2014.
- ^ Technical Memorandum Review of Existing Groundwater Nitrate Studies (PDF). Economic and Engineering Services, Inc. 2003. p. 3.
- ^ Solberg, Dustin (August 5, 1997). "Moscow water aged 40,000 years". Moscow-Pullman Daily News. (Idaho-Washington). p. 1A.
- ^ a b Columbia Institute for Water Policy
External links
[edit]- Palouse Basin Aquifer Committee
- City of Pullman – Water system
- Pacific-Clearwater Environmental Institute – Moscow area aquifers
46°45′N 117°07′W / 46.75°N 117.11°W
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