Chapters 173-507, 173-508, 173-513,173-514 and 173-515 WAC – Watershed Restoration Plan Rulemaking

Ecology is beginning rulemaking to amend five instream flow rules, chapters 173-507, 173-508, 173-513, 173-514, and 173-515 WAC.

Ecology is starting rulemaking to amend five Instream Flow Rules in Water Resource Inventory Areas (WRIAs) 7 (Snohomish), 8 (Cedar-Sammamish), 13 (Deschutes), 14 (Kennedy-Goldsborough), and 15 (Kitsap). We intend the rule amendments to incorporate only the specific requirements outlined in RCW 90.94.030(4) into rule, harmonize rule language with these changes, and make minor technical corrections. This rulemaking will not reopen or change instream flows or basin closures for amendment.   

The chapters open for rule amendment are:

Rulemaking timeline

Timeline

Announcement phase (CR-101)

Filing date:
June 16, 2025


Announcement documents

Rule development phase

June 16, 2025 - October 2025

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Accessibility

To request ADA accommodation for disabilities, or printed materials in a format for the visually impaired, contact Ecology's ADA Coordinator by email at ecyadacoordinator@ecy.wa.gov, or call 360-407-6831. People with impaired hearing may call Washington Relay Service at 711. People with speech disability may call TTY at 877-833-6341.