Spokane Valley - Rathdrum Prairie Aquifer



Hillside development

Increasing development of the hillsides immediately adjacent to the Spokane aquifer may pose a threat to water quality of the aquifer.  In addition, stormwater runoff is a growing problem as the natural surfaces and soils in watersheds are increasingly paved over, turning them into impermeable surfaces that promote rapid runoff.


View of hillside development in the Spokane valley off Argonne Road.  View to northwest.
 
 
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Department of Geology