1. Aquifers of the Spokane River Watersheds

    Find maps of all the aquifers within Spokane County.

  2. Aquifer Protection Area (PDF)

    View a map from the 2004 election area.

  3. Hydrogeologic Data Portal

    The Spokane River Watersheds Hydrogeologic Data Portal is an online mapping application that includes hydrologic and hydrogeologic data for each of the Spokane River Watersheds.

  4. Miscellaneous County Maps

    View land use, environmental, and other public maps.

  5. Spokane Valley-Rathdrum Prairie Aquifer ATLAS

    Browse the Spokane Valley Rathdrum Prairie Aquifer Atlas.