When is a well site evaluation required?

Washington Administrative Code (WAC) 246-290 and WAC 246-291 require that a well site evaluation be performed by authorized personnel as part of source approval for any new or previously unapproved source serving a public water system. WAC 246-290 also requires a well site evaluation as part of the approval of a well that serves as the water source for a bottled water plant or ice plant.

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1. What is a site evaluation?
2. When is a well site evaluation required?
3. When might an individual water system owner request a well site evaluation?
4. Is a satisfactory well site evaluation the same as a source approval?
5. Does approval by Northeast Tri County Health District for a Group B Water System give me legal right to the water?