Washington Administrative Code
Title 173 - Ecology, Department of (See also Titles 197, 317, 372, and 508)
Chapter 173-228 - VESSEL SEWAGE NO DISCHARGE ZONES
Section 173-228-040 - Vessel sewage management in no discharge zones

(1) Vessels with installed and operable toilets mustbe in compliance with 40 C.F.R Part 140 with the ability to hold or stop discharges of sewage while in a no discharge zone.

(2) Vessels with marine sanitation devices must secure the devices to prohibit the discharge of sewage per 33 C.F.R. 159.7(b) while in no discharge zone waters.

(3) Vessels without installed toilets must dispose of any collected sewage from portable toilets or other containment devices at facilities in a manner that complies with state law.