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Chapter 173-201A WAC

The Department of Ecology is doing rulemaking 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 use in state waters.

This rulemaking will:

  • Include new indicators and numeric criteria to protect water contact recreational uses in sections 200(2) and 210(3).
  • Review current water contact recreational use categories and modify sections 600 and 610 if necessary.
  • Improve the location information in use designation tables listed in this chapter – Table 602, Use designations for fresh waters and Table 612, Use designations for marine waters.

Rulemaking Timeline


Announcement Phase (CR-101)

Filing date:
Aug. 16, 2017

Announcement documents

Rule Development Phase

8/16/2017 - July 2018

Public input & involvement

Oct. 17, 2017: We held two informational webinars to discuss discuss our work to amend water contact recreational uses. Both webinars presented the same information.

Webinar presentation material:

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.