Administrative Updates
WAC 173-182 & WAC 173-186
Grammar fixes, outdated references, and readability improvements across both WAC chapters. Housekeeping to align rule language with current agency practices and recent updates to related rules.
Rulemaking Progress
Grammatical corrections, outdated references, and readability improvements across both chapters.
Key Issues
- Grammatical corrections
- Outdated reference updates
- Readability improvements
- Alignment with modern agency practices
- Updates to reflect related rule changes
Related Events
View all →CR-101 Filed - Rulemaking Announced
MilestoneDepartment of Ecology filed Preproposal Statement of Inquiry (WSR 26-03-094) announcing rulemaking to amend WAC 173-182 and WAC 173-186.
Draft Rule Language Expected for Informal Review
MilestoneEcology indicated during March 2026 workshops that draft rule language will be available for informal stakeholder review in April or May 2026. A second draft is expected in summer 2026. This is an informal review period distinct from the formal public comment period later in the process. WSMC members should plan to review and provide feedback during this window.
Workshop: Clarity, Consistency & Modernization
WorkshopVirtual (Zoom)
First workshop focused on draft rule language related to clarity, consistency, and modernization. Draft language will be shared in advance. Workshop details sent via GovDelivery at least 2 weeks in advance.
Quick Facts
- Current Stage
- Rule Development
- CR-101 Filed
- 2026-01-21
- WAC Sections
- WAC 173-182, WAC 173-186
Reference Documents
All →- WAC 173-182 Washington State Legislature
- WAC 173-186 Washington State Legislature
- CR-101 Filing Department of Ecology
- Kickoff Meeting Summary WSMC
Have Input?
Send comments to Ecology's rulemaking team during the rule development phase.
spillsrulemaking@ecy.wa.gov