Ecology begins rulemaking process to make Puget Sound a No Discharge Zone

The Department of Ecology is proposing a new rule Chapter 173-228 WAC Vessel Sewage No Discharge Zones. This rule will establish a Puget Sound No Discharge Zone, which would prohibit the release of sewage (black water) from vessels, whether treated or not.

Some of the 2,300 square miles included. 

The Puget Sound No Discharge Zone would cover 2,300 square miles of marine waters of Washington State inward from the line between New Dungeness Lighthouse and the Discovery Island Lighthouse to the Canadian border, and fresh waters of Lake Washington, Lake Union, and connecting waters between and to Puget Sound.

More information on the rulemaking and links:

Read the CR-101 for details on this rulemaking.

Browse the No Discharge Zone rulemaking web page.

Learn more about the 5-year stakeholder process.

Join Ecology's ListServ to receive news and information about this rulemaking, and other water quality topics.

1 comment

  • Forest Shomer Thursday, 06 July 2017 09:31 Comment Link

    The proposed rule must be made airtight to prevent cruise ships from dumping west of New Dungeness Light. Otherwise, the result will be all too similar to the city of Victoria's solid-waste outfall that has fouled the Salish Sea for decades (now in the process of being significantly improved).


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