WAC 388-107-0922
WAC 388-107-0922. Sewage and liquid waste disposal
The enhanced services facility must:
(1) Ensure that all sewage and waste water drain into a municipal sewage disposal system according to chapter 246-271 WAC, if available; or
(2) Provide on-site sewage disposal systems designed, constructed, and maintained as required by chapters 246-272 and 173-240 WAC, and local ordinances.