Spokane River Watersheds
Watershed Planning & Implementation for WRIAs 54, 55, 56, & 57
WRIA 57 Data-SVRP Aquifer Boundary
WRIA 57 Web Mapping Application
This layer includes the boundary of the Spokane Valley Rathdrum Prairie Aquifer defined in USGS Scientific Investigations Report 2007-5041. This boundary is the current understanding of the aquifer boundary.