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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Rulemaking Proposal (WAC 173-400; WAC 173-401) 9-18-24

This is a rulemaking proposal (CR-102) for Chapter 173-400 WAC, General Regulations for Air Pollution Sources and Chapter 173-401 WAC, Operating Permit Regulation.

https://ecology.wa.gov/rulemaking-proposal-wac-173-400;-wac-173-401-9-18-24

Proposed Source Test Manual (WAC 173-400; WAC 173-401) 9-18-24

This is the proposed Source Test Manual, September 18, 2024.

https://ecology.wa.gov/proposed-source-test-manual-wac-173-400;-wac-173-401-9-18-24

SPWA Sept 25 webinar materials

This is the PowerPoint presentation for the webinar conducted on Sept. 25, 2024 for WAC 173-339.

https://ecology.wa.gov/sept-25-webinar-materials

20230816ColvilleAQA

This is August 16, 2023 air quality advisory for the Colville Reservation.

https://ecology.wa.gov/20230816colvilleaqa

Rule Advisory Committee Meeting Notes 9-23-24

This document contains the 9-23-24 meeting notes of the Advisory Committee on battery stewardship rulemaking in Washington.

https://ecology.wa.gov/rule-advisory-committee-meeting-notes-9-23-24

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

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

Rulemaking Announcement (WAC 173-448) 10-10-24

This is a rulemaking announcement (CR-101) for WAC 173-448, Air Quality in Overburdened Communities.

https://ecology.wa.gov/rulemaking-announcement-wac-173-448-10-10-24

Shoreline Management Act Rulemaking Public listening session

Slides from our Sept. 23 Listening session

https://ecology.wa.gov/public-listening-session

10-21-24 Meeting Agenda

This is the agenda for the Oct. 21, 2024 meeting of the Battery Stewardship Rulemaking Advisory Committee.

https://ecology.wa.gov/10-21-24-meeting-agenda

10-21-24 Meeting read-along document

This is a read-along document for the Oct. 21, 2024 meeting of the Battery Stewardship Rulemaking advisory committee.

https://ecology.wa.gov/10-21-24-meeting-read-along-document

Local Government Sounding Board Presentation 10-21-24

The SMA Rulemaking sounding board slides for the Oct. 21 meeting.

https://ecology.wa.gov/local-government-sounding-board-oct-21-presentation

Local Government Sounding Board Kickoff presentation

Slides for our Local Government Sounding Board Kickoff meeting

https://ecology.wa.gov/local-government-sounding-board-kickoff

Local Government Sounding Board Charter

Charter for the SMA Rulemaking Local government Sounding Board.

https://ecology.wa.gov/sounding-board-charter

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