WAC 246-337-130
WAC 246-337-130. Water supply, sewage and waste disposal
The licensee shall ensure:
(1) Water supply and waste disposal in each facility meet the provisions of chapter 246-290 or 246-291 WAC, whichever applies.
(2) Tempered water between one hundred and one hundred twenty degrees Fahrenheit in resident areas.
(3) Plumbing systems free of cross connections.
(4) Sewage and waste water drain into a public sewer system in compliance with applicable laws and rules, or meet the requirements of chapters 246-272 and 173-240 WAC, and local laws and rules.