Group A water systems are regulated by the
Washington State Department of Health,
Southwest Regional Office (360-236-3030). In
cooperation with DOH, Thurston County performs well siting inspections for new wells and sanitary surveys for small Group A systems.
For more information about your water system search the
DOH public water system database.
Applications and Forms (all forms and applications are in PDF format)
For a complete listing of applications, forms, and instructions, see Drinking Water Publications and Forms.
Find more drinking water information and links at Other Information and Resources.