WAC 246-290-140
WAC 246-290-140. Existing system as-built approval
At the discretion of the department, owners of existing systems without approved construction documents shall provide information necessary to establish the extent of the water system's compliance with this chapter. At a minimum, this shall include submission and approval by the department of:
(1) A water system plan or small water system management program;
(2) As-built or record drawings; and
(3) Water quality analyses.