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In Kitsap County, a water supply that serves three or more residential connections or serves the public (such as a store or park) is called a public water system. There are two kinds of public water systems, based on the number of users:

  • Group B. These water systems serve from two to 14 connections. (Kitsap County has an exemption for water systems with only two connections to qualify as a private two-party well provided certain criteria are met. See Private Two-Party Policy.)
  • Group A. These water systems serve 15 connections or more, or serve 25 or more people per day for 60 days or more per year.

Kitsap Public Health District is responsible for the oversight of construction and monitoring of all Group B water systems in Kitsap County. We also assist the Washington State Department of Health (DOH) by inspecting Group A systems with up to 100 connections. DOH oversees all other public water systems.

For more information, see Managing Group B water systems

At the September 4, 2018 regular Health Board meeting, the Board approved Ordinance 2018-01 Drinking Water Supply Regulations, (replacing existing Ordinance 1999-6) to address Group B public water systems and private water supplies.  The new ordinance is effective immediately, however, specific requirements have six (6) and twelve (12) month effective dates.  Please find more information here.

  • Map showing the location and ID numbers of public water systems in the county.
  • List of the public water systems in the county.

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