Groundwater related organizations and resources
King County, Washington
Local groundwater information
State groundwater-related agencies
Washington State Department of Ecology: Wells
Washington State Department of Ecology: Water Supply
Washington State Department of Health: Office of Drinking Water
Washington State Department of Natural Resources: Geology Programs
Federal groundwater-related agencies
United State Geological Survey (USGS) Groundwater Data for 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.