Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

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Cap-and-Invest Linkage Rulemaking Public Meeting

.pdf of July 10 public meeting presentation

https://ecology.wa.gov/presentation-wac-173-441-446-7-10-24

Cap-and-Invest Linkage and Environmental Justice

.pdf presentation for July 22 public meeting on Linkage and Environmental Justice

https://ecology.wa.gov/presentation-wac-173-441-446-7-22-24

Electricity Markets Rulemaking Proposed Rule Overview

.pdf presentation for Aug. 6 & 8 public meetings

https://ecology.wa.gov/presentation-wac-173-441-446-8-6-24-8-8-24

Adopted rule language (WAC 173-446B)

Adopted rule language WAC 173-446B

https://ecology.wa.gov/adopted-rule-language-wac-173-446b-10-08-24

Rulemaking Adoption Notice (WAC 173-446B)

Rulemaking adoption notice WAC 173-446B

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-446b-10-08-24

CFS Rulemaking Updates

Slideshow presentation from the Sept. 9 and 12, 2024, CFS Rulemaking Update webinar

https://ecology.wa.gov/presentation-wac-173-424-9-9-and-9-12-2024

Draft rule language (tracked) (173-446)

draft rule language for WAC 173-446, offsets protocols

https://ecology.wa.gov/draft-rule-language-173-446-wac-10-1-24

Draft offset protocol language

Draft offset protocol language for ozone depleting substances projects

https://ecology.wa.gov/draft-offset-protocol-language-173-446-wac-10-1-24

Rulemaking Announcement (WAC 173-443) 10-2-24

CR 101 for WAC 173-443

https://ecology.wa.gov/rulemaking-announcement-wac-173-443-10-2-24

Presentation (WAC 173-424) 9-26 2024

Slideshow presentation from the Sept. 26, 2024, CFS Rulemaking Update webinar

https://ecology.wa.gov/presentation-wac-173-424-9-26-2024

Presentation (WAC 173-446) 10-21-24

This is a presentation for the October 21, 2024 public meeting for Chapter 173-446 WAC, Cap-and-invest rulemaking.

https://ecology.wa.gov/presentation-wac-173-446-11-14-23-540261c1d121085d0b0e570d950387a7

Environmental Justice Presentation (WAC 173-446) 10-21-24

This is a presentation for the October 21, 2024 Environmental Justice listening session for Chapter 173-446 WAC, Cap-and-invest rulemaking.

https://ecology.wa.gov/presentation-wac-173-446-11-14-23-540261c1d121085d0b0e570d950387a7-1ecee0d19f94900fb988911963b64367

Rulemaking Announcement (WAC 173-423) 11-20-24

CR 101 for WAC 173-423

https://ecology.wa.gov/rulemaking-announcement-wac-173-423-11-20-24

Chapter 173-441 and -446 WAC Linkage Rulemaking - Electricity Considerations

Slideshow presentation from the Cap-and-Invest linkage rulemaking public meeting (Nov. 19, 2024)

https://ecology.wa.gov/presentation-wac-173-441-446-11-19-24

Questions (WAC 173-441, 446) 11-19-24

Questions from participants of the Nov. 19, 2024, linkage rulemaking info session

https://ecology.wa.gov/questions-wac-173-441-446-11-19-24

Rulemaking Adoption Notice (WAC 173-441, 446)

Rulemaking adoption notice WAC 173-441, 446

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-441-446-12-03-24

Adopted rule language (WAC 173-441)

Adopted rule language WAC 173-441

https://ecology.wa.gov/adopted-rule-language-wac-173-441-12-03-24

Adopted rule language (WAC 173-446)

Adopted rule language WAC 173-446

https://ecology.wa.gov/adopted-rule-language-wac-173-446-12-03-24

CFS Workshop on Draft Rule Language

Slideshow presentation

https://ecology.wa.gov/presentation-wac-173-424-12-5-and-12-11-2024

HFCs & other fluorinated greenhouse gases rulemaking

Slideshow presentation

https://ecology.wa.gov/presentation-wac-173-443-12-16-2024