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Snohomish County Groundwater Data
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
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.
