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Wells and Public Water Systems
New Well
The WA Department of Ecology regulates well construction standards and licenses well drillers.
- Well Drilling for Property Owners
- Home Owner's Guide to Well Construction (PDF)
- Licensed Well Drillers Listed by Request (PDF)
- Well Delegation Application (PDF) (For Well Drillers to submit 48 hours before drilling)
Private Well
Private is not a public water system and generally serves one single-family residence.
- Well Delegation Application (PDF)
- Well logs available from the Department of Ecology
- Information for Owners (PDF)
- Private Well Disinfection (PDF)
- Private Well Contaminant Treatment Information (NEHA) (PDF)
Group B Public Water Systems
Group B Public Water Systems serve fewer than 15 connections (generally 3 to 9), fewer than 25 people per day, and some single connections that need licensing such as food establishments or adult family homes:
Regulations
Application & Workbook
- Well Site Inspection Application (PDF)
- Group B Application Cover Sheet (PDF)
- Group B Design Workbook (PDF)
- Group B Design Guidelines (PDF)
- Water Facilities Inventory (WFI)
Group A Public Water Systems
Group A public water systems are water systems that serve more than 15 connections or more than 25 people per day for more than 60 days a year. Group A water systems are regulated by the WA Department of Health (DOH). GCHD works with DOH to complete well site inspections, sanitary surveys, and special purpose investigations for small community and noncommunity Group A water systems identified by the Office of Drinking Water Regional Office.