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Grammar fixes, outdated references, and readability improvements across both WAC chapters.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Grammatical corrections, outdated references, and readability improvements across both chapters. WSMC's April 14, 2026 companion comment on BAP Workgroup process applies across the rulemaking cycle.
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- Outdated reference updates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.
WSMC Submits Informal Comments to Ecology
MilestoneWSMC submitted five comment letters to the Department of Ecology on the informal draft rule language and rulemaking topics: SRKW deterrence, UAS, draft WAC 173-182-710 drills, technical manuals (WAC 173-182-349), and a companion comment on BAP Workgroup process and representations of consensus.
Preliminary Draft Rule Language Released for Informal Comment
MilestoneEcology released its first preliminary draft rule language for Chapter 173-182 WAC and Chapter 173-186 WAC, along with an overview table of changes, for informal public review and comment. This first draft covers administrative modernization, NFO behavior and technical manuals, a consolidated aerial surveillance standard incorporating UAS, and SCAT integration into shoreline cleanup. Drill provisions (173-182-700/-710, 173-186-510) and a Middle Columbia planning standard are not yet included. Documents are in the WSMC document library. This is an informal review period distinct from the formal public comment period in spring 2027.
Workshop: Clarity, Consistency & Modernization
WorkshopVirtual (Zoom)
First workshop focused on draft rule language related to clarity, consistency, and modernization. Draft language was shared in advance. Workshop details sent via GovDelivery at least 2 weeks in advance.
First Comments Due — Informal Comment Period
MilestoneTo ensure comments are reviewed before Ecology prepares subsequent preliminary drafts, submit comments on the May 2026 preliminary draft rule language within 30 days — by June 17, 2026. The comment period stays open longer (until October 30, 2026), but comments received by this date inform the next draft. Submit through Ecology's online comment portal.
Informal Comment Period Closes
MilestoneThe informal comment period on the preliminary draft rule language closes at 11:59 p.m. on October 30, 2026. All comments submitted — through the online form, workshops, meetings, or other engagement — are reviewed by Ecology's rule development team and documented in the rulemaking record.
Quick Facts
- Current Stage
- Rule Development
- CR-101 Filed
- 2026-01-21
- WAC Sections
- WAC 173-182, WAC 173-186
Reference Documents
All →- 173-182 Draft v1 PDF Department of Ecology
- 173-186 Draft v1 PDF Department of Ecology
- Overview Table of Changes (May 2026) PDF Department of Ecology
- WAC 173-182 Washington State Legislature
- WAC 173-186 Washington State Legislature
- CR-101 Filing Department of Ecology
- Kickoff Meeting Summary WSMC
- WSMC BAP Process Comment (Apr 2026) PDF Washington State Maritime Cooperative
Have Input?
Send comments to Ecology's rulemaking team during the rule development phase.
spillsrulemaking@ecy.wa.gov