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.
Draft rule 11/29/17
This is the draft rule from 11/29/17.
https://ecology.wa.gov/draft-rule-wac-173-400-401-11-29-17
Draft rule 10/18/17
Annotated rule changes to Chapter 173-400 WAC
https://ecology.wa.gov/draft-rule-wac-173-400;401-10-18-17
Draft rule (11/10/16)
Draft rule (11/10/16)
https://ecology.wa.gov/draft-rule-wac-173-400;401-11-10-16
Draft rule (12/06/16)
Draft rule (12/06/16)
https://ecology.wa.gov/draft-rule-wac-173-400;401-12-06-16
Draft rule (WAC 173-400;401) 12/20/16)
Draft rule 12/20/16)
https://ecology.wa.gov/draft-rule-wac-173-400;401-12-20-16
Draft rule 401 10/18/17
Annotated rule changes to Chapter 173-401 WAC
https://ecology.wa.gov/draft-rule-401-wac-173-400;401-10-18-17
Draft rule language (173-446B WAC) 11-13-23
This is draft rule language for Chapter 173-446B WAC, the Climate Commitment Act Funds Reporting Rulemaking.
https://ecology.wa.gov/draft-language-chapter-173-446b-wac
Draft rule changes (not tracked) to 173-441 WAC for Electricity Markets rulemaking (1/23/24)
This document lists the third informal draft rule language changes (not tracked) to Chapter 173-441 WAC (Reporting of Emissions of Greenhouse Gases) for the Electricity Markets rulemaking.
https://ecology.wa.gov/draft-rule-language-wac-173-441-1-24-24
Draft rule changes (not tracked) to 173-446 WAC for Electricity Markets rulemaking (1/23/24)
This document lists the third informal draft rule language changes (not tracked) to Chapter 173-446 WAC (Climate Commitment Act Program) for the Electricity Markets rulemaking.
https://ecology.wa.gov/informal-draft-rule-changes-to-173-446-wac-for-electricity-markets-rulemaking-1-22-24
Draft rule changes (tracked) to 173-441 WAC for Electricity Markets rulemaking (1/23/24)
This document lists the third informal draft rule language changes (tracked) to Chapter 173-441 WAC (Reporting of Emissions of Greenhouse Gases) for the Electricity Markets rulemaking.
https://ecology.wa.gov/draft-rule-changes-tracked-to-173-441-wac-for-electricity-markets-rulemaking-1-23-24
Draft rule changes (tracked) to 173-446 WAC for Electricity Markets rulemaking (1/23/24)
This document lists the third informal draft rule language changes (tracked) to Chapter 173-446 WAC (Climate Commitment Act Program) for the Electricity Markets rulemaking.
https://ecology.wa.gov/draft-rule-changes-tracked-to-173-446-wac-for-electricity-markets-rulemaking-1-23-24
Draft proposed rules changes to 173-441 WAC
.pdf of draft rule changes for WAC 173-441
https://ecology.wa.gov/draft-rule-language-173-441-wac-7-1-24
Draft proposed rules changes to 173-446 WAC
.pdf of draft rule changes for WAC 173-446
https://ecology.wa.gov/draft-rule-language-173-441-wac-7-1-26
CFS Draft Rule - Changes Summary
Summary of proposed changes to WAC 173-424
https://ecology.wa.gov/draft-rule-changes-summary-wac-173-424-8-30-24
Draft rule language (173-424-800 - 173-424-850)
Summary of proposed changes to WAC 173-424-800
https://ecology.wa.gov/draft-rule-language-173-424-800-173-424-850
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 rule changes summary-updated (WAC 173-424) 12-4-2024
“Rule Changes Summary” is a summary table of the changes we made since our initial draft in August.
https://ecology.wa.gov/draft-rule-changes-summary-wac-173-424-11-26-24
Draft proposed rules changes to 173-443 WAC
draft rule language for WAC 173-443, hydrofluorocarbons
https://ecology.wa.gov/draft-rule-changes-summary-wac-173-443-1-16-25
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