Group A systems are regulated by the Washington State Department of Health, Drinking Water Division (S.W. Drinking Water Operations, 360-664-9280). In
cooperation with DOH, Thurston County performs well siting inspections for new wells and sanitary surveys for small Group A systems. For more information, see
DOH Drinking Water Division or to find out 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.