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Find comprehensive services, data and information related to groundwater in King County, Washington.

To offer a suggestion or report an error on the King County groundwater management website, please contact Fred Bentler, webmaster.
Groundwater Management in King County, Washington State

Groundwater related organizations and resources
King County, Washington

Local groundwater information

Snohomish County Groundwater Data

State groundwater-related agencies

Washington State Department of Ecology: Groundwater Program

Washington State Department of Ecology: Water Resources Program

Washington State Department of Health: Drinking Water Programs

Washington State Department of Natural Resources: Geology Programs

Federal groundwater-related agencies

United State Geological Survey (USGS) Washington State

US EPA (Environmental Protection Agency): Groundwater and Drinking Water

Drinking Water Standards (MCLs)

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.

Related information

Related agencies