WAC 388-78A-2950. Water supply

The assisted living facility must: (1) Provide water meeting the provisions of chapter 246-290 WAC, Group A public water supplies or chapter 246-291 WAC, Group B public water systems; (2) Protect and maintain the assisted living facility water systems against cross-connection in accordance with American Water Works Association (AWWA) Recommended Practice for Backflow Prevention and Cross-Connection Control. (3) Meet the requirements of the plumbing code adopted by the Washington state building code council; (4) Install vacuum breakers or backflow prevention devices on hose bibs and supply nozzles used to connect hoses or tubing to housekeeping sinks, and where used, bedpan-flushing attachments; (5) Provide hot and cold water under adequate pressure readily available throughout the assisted living facility; (6) Provide all sinks in resident rooms, toilet rooms and bathrooms, and bathing fixtures used by residents with hot water between 105°F and 120°F at all times; and (7) Label or color code nonpotable water supplies as "unsafe for domestic use."