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Chapter 173-201A WAC

The Department of Ecology is proposing to amend Chapter 173-201A WAC, Water Quality Standards for Surface Waters of the State of Washington. This rulemaking will update fresh and marine water quality standards for the protection of water contact recreational uses in state waters. 

This rulemaking proposes:

  • New bacterial indicators and numeric criteria to protect water contact recreational uses.
  • Updated water contact recreational use categories, and modifications to sections 600 and 610 to support the proposed updated uses.
  • Improved location information in use designation 602 (use designations for fresh waters), and 612 (use designations for marine waters).  

Rulemaking timeline


Announcement phase (CR-101)

Filing date:
Aug. 16, 2017

Announcement documents

Rule development phase

Aug. 16, 2017 - July 2018

Public input & involvement

Oct. 17, 2017: We held two informational webinars to discuss our work to amend water contact recreational use criteria. Both webinars presented the same information. May 1 - May 21, 2018: We held a public comment period on the scope of the Environmental Impact Statement.  June 14, 2018: We held two public webinars to provide an overview of our preliminary decisions for updates to recreational use criteria in the water quality standards . Both webinars presented the same information. 

Rule proposal phase (CR-102)

Filing date:
Jul. 17, 2018

Rule proposal documents:

Comment period

Comments are due by September 14, 2018. You can submit comments the following ways: 
  • Submit online
  • By mail to:  Becca Conklin
                       Department of Ecology
                       P.O. Box 47600
                       Olympia, WA 98504-7600
  • Attend a public hearing
We held five public hearings for this rule proposal.  The hearings were held on the following dates:
  • August 28, 2018 - Webinar (1:30 p.m.)
  • August 28, 2018 - Webinar (6:30 p.m.)
  • August 29, 2018 - Tukwila, WA
  • August 30, 2018 - Spokane Valley, WA​
  • September 5, 2018 - Webinar (6:30 p.m.) 

Additional languages

Español (Spanish) 中文 (Chinese) Tiếng Việt (Vietnamese) 한국어 (Korean)


To request ADA accommodation for disabilities, or printed materials in a format for the visually impaired, call Hanna Waterstrat at 360-407-7668 or email hanna.waterstrat@ecy.wa.gov. Persons with impaired hearing may call Washington Relay Service at 711. Persons with speech disability may call TTY at 877-833-6341.