WAC 246-358-065
WAC 246-358-065. Sewage disposal
The operator shall:
(1) Provide sewage disposal systems in accordance with local health jurisdictions.
(2) Connect all drain, waste, and vent systems from buildings to:
(a) Public sewers, if available; or
(b) Approved on-site sewage disposal systems that are designed, constructed, and maintained as required in chapters 246-272A and 173-240 WAC, and local ordinances.