Local groundwater information

Snohomish County Groundwater

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.

Related information

• Salmon and trout
• Wetlands

Related agencies

• Department of Natural Resources and Parks
• Water and Land Resources Division