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Rule Making

Chapter 173-228 WAC
Vessel Sewage No Discharge Zones

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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.

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.

Learn more about the No Discharge Zone process.


Timeline and Documents


Date (date subject to change) Activity


July 5, 2017

Announcement Phase (CR-101)
Read the Pre-proposal statement of inquiry (CR-101)
Summer 2017 Develop and prepare the rule language and other information
October 4, 2017

Proposal Phase (CR-102)

The comment period is open October 4, 2017 - November 30, 2017

The following rulemaking documents are available for review and comment:

How to submit comments:

  • Online: Use our eComments to provide comments.
  • By mail:
    Amy Jankowiak
    Department of Ecology
    Water Quality Program
    3190 - 160th AVE SE
    Bellevue, WA 98008-5452
  • During the public hearings

Public Hearing Materials:

We are here
November 13, 2017

Public Hearing Webinars

Ecology will accept verbal comments through the webinar.

November 15, 2017

Public Hearing
Ecology will accept written or verbal comments during the hearing.
Time: 11:00 a.m.

South Seattle College's Georgetown Campus
6737 Corson Avenue South
Seattle, WA 98108

November 30, 2017 End public comment period
December 2017 - February 2018 Review public comments and prepare adoption packet
February 2018 Adopt rule (CR-103)
March 2018

Rule effective (usually 31 days after filing)

 Accessibility (ADA) - For documents in alternate format, call 360-407-6600, 711 (relay service), or 877-833-6341 (TTY). Also see Ecology's ADA Accessibility page.



Amy Jankowiak

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No Discharge Zone Petition Process

EPA determination on No Discharge Zone petition