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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Laws, rules, & rulemaking

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

Draft rule language (WAC 173-441) 07/22/21

This is the draft rule language for Chapter 173-441 WAC, Reporting of Emissions of Greenhouse Gases.

https://ecology.wa.gov/draft-rule-language-wac-173-441-07-22-21

Draft rule language (WAC 173-446) 01/04/22

This is the draft rule language for Chapter 173-446 WAC, Climate Commitment Act Program. (1/4/22 version)

https://ecology.wa.gov/draft-rule-language-wac-173-446-01-11-22

Draft rule language (WAC 173-455) 5-18-22

This is the May 18, 2022 draft rule language for Chapter 173-455 WAC, Air Quality Fee Rule.

https://ecology.wa.gov/draft-rule-language-wac-173-455-5-18-22

Draft rule language (WAC 173-444) 05/07/20

This is draft rule language for Chapter 173-444 WAC, Clean Energy Transformation Rule.

https://ecology.wa.gov/draft-rule-language-wac-173-444-05-07-20

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 173-444) 01/14/20

This is the draft rule language for Chapter 173-444 WAC, Clean Energy Transformation.

https://ecology.wa.gov/draft-rule-language-wac-173-444-01-14-20

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

Draft rule language (WAC 173-443) 01/28/20

This is the draft rule language for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/draft-rule-language-wac-173-443-01-28-20

Draft rule language (WAC 173-443) 1-27-23

This is the January 27, 2023 draft rule language for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/draft-rule-language-wac-173-443-1-27-23

Draft rule language (WAC 173-443) 1-25-23

This is the January 25, 2023 draft rule language for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/draft-rule-language-wac-173-443-1-25-23

Draft rule language (WAC 173-443) 11-17-22

This is the November 17, 2022 draft rule language for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/draft-rule-language-wac-173-443-11-17-22

Draft rule language (WAC 173-443) 9-14-22

This is the September 14, 2022 draft rule language for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/draft-rule-language-wac-173-443-9-14-22

Draft rule language (WAC 173-443) 7-6-22

This is the July 6, 2022 draft rule language for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/draft-rule-language-wac-173-443-7-6-22

Draft rule language (WAC 173-460) 03/05/19

This is the draft rule language for Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.

https://ecology.wa.gov/draft-rule-language-wac-173-460-03-05-19

Draft rule language (WAC 173-443) 05/10/22

This is the May 10, 2022 draft rule language for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/draft-rule-language-wac-173-443-05-10-22

Draft rule language (WAC 173-443) 03/31/22

This is the March 31, 2022 draft rule language for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/draft-rule-language-wac-173-443-03-31-22

Draft rule language (WAC 173-443) 02/03/22

This is the February 3, 2022 draft rule language for Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/draft-rule-language-wac-173-443-02-03-22

Draft rule language (WAC 173-424) 11/16/21

This is the November 16, 2021 draft rule language for Chapter 173-424 WAC, Clean Fuels Program Rule.

https://ecology.wa.gov/draft-rule-language-wac-173-424-11-16-21

Draft rule language (WAC 173-424) 11-26-24

“November 2024 CFS Draft Rule Language” contains the full draft rule language text

https://ecology.wa.gov/draft-rule-language-wac-173-424-11-26-24