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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Inslee statement on Clean Air Rule decision

Statement by Gov. Jay Inslee on 1-16-20 related to the Supreme Court ruling on the Clean Air Rule.

https://ecology.wa.gov/inslee-statement-on-clean-air-rule-decision

Expedited Rulemaking Proposal (WAC 173-442) 03-22-23

This is an expedited rulemaking proposal (CR-105 form) for Chapter 173-442, Clean Air Rule.

https://ecology.wa.gov/expedited-rulemaking-proposal-wac-173-442-01-23-23

Proposed rule repeal language (WAC 173-442) 03-22-23

This is the proposed rule repeal language for Chapter 173-442 WAC, Clean Air Rule.

https://ecology.wa.gov/proposed-rule-repeal-language-wac-173-442-01-23-23

Draft rule language (WAC 173-446A) 09/21/21

This is the draft rule language for Chapter 173-446A WAC, Criteria for Emissions-Intensive, Trade-Exposed Industries.

https://ecology.wa.gov/draft-rule-language-wac-173-446a-09-21-21

Presentation (WAC 173-446A) 09/21/21

This is a presentation for the 9/21/21 stakeholder meeting for Chapter 173-446A WAC, Criteria for Emissions-Intensive, Trade-Exposed Industries.

https://ecology.wa.gov/presentation-wac-173-446a-09-21-21

Rulemaking Adoption Notice (WAC 173-446A) 06-01-22

This is a rulemaking adoption notice (CR-103) for Chapter 173-446A WAC, Criteria for Emissions-Intensive, Trade-Exposed Industries.

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-446a-06-01-22

Draft rule language (WAC 173-446) 12/09/21

This is the draft rule language for Chapter 173-446 WAC, Climate Commitment Act Program. (12/9/21 version)

https://ecology.wa.gov/draft-rule-language-wac-173-446-12-09-21

Draft rule language (WAC 173-446) 11/08/21

This is the draft rule language for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/draft-rule-language-wac-173-446-11-08-21

Implementation dates (WAC 173-446) 9-29-22

This is the September 29, 2022 implementation timeline for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/implementation-dates-wac-173-446-9-29-22

Draft timeline (WAC 173-446) 6-8-22

This is a draft implementation timeline for Chapter 173-446 WAC, Climate Commitment Act Program. (6/8/22 version)

https://ecology.wa.gov/draft-timeline-wac-173-446-6-8-22

Draft timeline (WAC 173-446) 01/24/22

This is a draft implementation timeline for Chapter 173-446 WAC, Climate Commitment Act Program. (1/24/22 version)

https://ecology.wa.gov/draft-timeline-wac-173-446-01-24-22

Presentation (WAC 173-446) 1/11/22

This is the presentation for the 1/11/22 stakeholder meeting for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/presentation-wac-173-446-1-11-22

Presentation (WAC 173-446) 12/16/21PM

This is a presentation for the 12/16/21 (PM) stakeholder meeting for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/presentation-wac-173-446-12-16-21pm

Presentation (WAC 173-446) 12/16/21AM

This is a presentation for the 12/16/21 (AM) stakeholder meeting for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/presentation-wac-173-446-12-16-21

Presentation (WAC 173-446) 11/08/21

This is a presentation for the 11/8/21 stakeholder meeting for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/presentation-wac-173-446-11-08-21

Presentation (WAC 173-446) 6-21-22

This is the presentation for the June 21, 22, 27, 28, 2022 public hearings for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/presentation-wac-173-446-6-21-22

Rulemaking Adoption Notice (WAC 173-446) 9-29-22

This is a rulemaking adoption notice (CR-103) for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/rulemaking-adoption-notice-wac-173-446-9-29-22

Presentation (WAC 173-424) 08-23-22

This is a presentation for the 8/23/22 public hearing for Chapter 173-424 WAC, Clean Fuels Program Rule.

https://ecology.wa.gov/presentation-wac-173-424-08-23-22

Rulemaking Adoption Notice (WAC 173-442) 7-18-23

This is a rulemaking adoption notice (CR-103) for Chapter 173-442 WAC, Clean Air Rule.

https://ecology.wa.gov/rulemaking-adoption-notice-(wac-173-442)-7-18-23

Presentation (WAC 173-441) 9-28-23

These are the presentation slides from the 9/28/23 meeting with the Southwest Power Pool for the Electricity Markets rulemaking.

https://ecology.wa.gov/presentation-wac-173-441-9-28-23