Skip to main content
Most King County offices will be closed on Monday, for Indigenous Peoples' Day.  
King County logo

Countywide maps

East King County (EKC)

USGS EKC Groundwater Studies USGS-WRIR 94-4082
Look up potentiometric contour maps covering Snoqualmie Valley
(all files in Acrobat pdf):

Issaquah Creek Valley (ICV)

Redmond-Bear Creek (RBC)

South King County (SKC)

South King County Groundwater Management Area MapSouth King County GWMA 1998 Land-use Map
(214Kb Acrobat format)

USGS SKC Groundwater Studies USGS-WRIR 92-4098
Look up potentiometric contour maps covering South King County
(all files in Acrobat pdf):

Vashon-Maury Island (VMI)

Reports of Vashon-Maury Island can also be found at the VMI Water Resources Evaluation Project Documents web page.

Return to King County groundwater maps and reports

This page is produced by the King County Groundwater Protection Program. To learn more about this group and its responsibilities, please read about the Groundwater Protection Program.