Group B Water Systems

Group B Public Drinking Water systems provide water to more than 93,000 people in Clark County. Group B Public Drinking Water systems may meet any of the following criteria:

  • Serves between 3-14 residential connections on separate parcels and less than 25 individuals per day.
  • Non-residential serving less than 25 people per day (i.e. childcare centers, small businesses, places of worship, etc.)

Group B Public Drinking Water System Approval

A Water Availability and Verification Evaluation for Group B water systems may be required before Clark County Community Development will issue building permits.

How to apply

Applicants are responsible for collecting water samples for analysis by a Washington State Certified Laboratory. In addition to the water analysis requirements for two connection Group B water systems, systems with 3 or more connections must also conduct a complete inorganic chemical and physical analysis of primary and secondary chemical and physical standards.

Additional Links

Well Log Search - A well report that describes the location, ownership, construction details and lithology of a completed well.

Report a public health concern