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Drinking Water and wells
Group A water systems

Group A water systems serve:

  • 15 or more service connections.
  • 25 or more people/day for 60 or more days/year.
  • 1000 or more people for two, or more, consecutive days.

Application process for a Group A public water system
A water purveyor must demonstrate the system's operational, technical, managerial, and financial capability to achieve and maintain compliance with relevant local, state, and federal plans and regulations.

A water system plan must be submitted to Public Health. The scope and detail of the plan will be related to size, complexity, water supply characteristics, forecasted demand characteristics, past performance, and use of the water system. Washington Administrative Code 246-290-100 tells you what to include in your water system plan. Depending on the size and complexity of the proposed Group A water system, the Washington State Department of Health may also be required to review and approve system. 

After a Group A water system has been approved by Public Health and, if applicable, Washington State Department of Health, on-going monitoring is required to guarantee clean, safe water is provided to all well users. System purveyors have many responsibilities to up-hold. Annual operating permits are required. Public Health conducts a Sanitary Survey of each Group A water systems every 3-5 years. 

The Washington State Office of Drinking Water has more information about system component requirements and continual operation and monitoring.

Sanitary surveys
Sanitary surveys are water system inspections used to identify conditions that may cause sanitary or public health risks. Sanitary surveys are required every five years. The Washington State Department of Health offers tips on preparing for a sanitary survey (PDF).

Clark County water service districts
Most of our water comes from a system of well fields that tap groundwater from aquifers underneath Clark County. Major municipalities have defined water service areas; Clark Public Utilities provides service (where available) to all other areas of the county.

 

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