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 Announcement (WAC 508-14) 11/15/10

This is a rulemaking announcement (CR-101) for WAC 508-14 Columbia Basin project - Ground Waters

https://ecology.wa.gov/rulemaking-announcement-wac-508-14-11-15-10

Rulemaking Announcement (WAC 173-525)

This is a rulemaking announcement (CR-101) for Chapter 173-525 WAC Grays-Elochoman Instream Resources Protection and Water Management Program

https://ecology.wa.gov/rulemaking-announcement-wac-173-525

Rulemaking Announcement (WAC 173-491,400, 455) 07/02/13

This is a rulemaking announcement (CR-101) for Chapter 173-400 WAC General regulation for air pollution sources; Chapter 173-455 WAC Air quality fee regulation and Chapter 173-491 WAC Emission standards and controls for sources emitting gasoline vapors.

https://ecology.wa.gov/rulemaking-announcement-wac-173-491-400-455-07

Rulemaking Announcement (WAC 173-526) 03/02/05

This is a rulemaking announcement (CR-101) for WAC 173- Title; WAC XXX-XXX Title.

https://ecology.wa.gov/rulemaking-announcement-wac-173-526-03-02-05

Rulemaking Announcement (WAC 173-503A; 02/24/04

This is a rulemaking announcement (CR-101) for WAC 173-503A Instream Resources Protection Program Lower and Upper Skagit Water Resources Inventory Area (WRIAs 3 and 4)

https://ecology.wa.gov/rulemaking-announcement-wac-173-503a;-02-24-04

Rulemaking Announcement CR-101

Rulemaking Announcement for 173-333 WAC Chemical Action Plans.

https://ecology.wa.gov/rulemaking-announcement-cr-101

Rulemaking Announcement refile (WAC 173-503A; 02/15/05

This is a rulemaking announcement refile (CR-101) for WAC 173-503A Instream Resources Protection Program Lower and Upper Skagit Water Resources Inventory Area (WRIAs 3 and 4)

https://ecology.wa.gov/rulemaking-announcement-refile-wac-173-503a;-02-2

Rulemaking Draft Citation List (WAC 173-228) 10/04/17

This is the draft citation list for WAC 173-228 Vessel Sewage No Discharge Zones

https://ecology.wa.gov/rulemaking-draft-citation-list-wac-173-228-10-04

Rulemaking Announcement Withdrawal (WAC 508-14) 1/21/16

This is a withdrawal notice for the rulemaking announcement for WAC 508-14 Columbia Basin project - Ground Waters.

https://ecology.wa.gov/rulemaking-announcement-withdrawal-wac-508-14-1

Rulemaking Announcement (WAC 173-910) 07/22/15

This is a rulemaking announcement (CR-101) for WAC 173-910 Mercury-Containing Lights Product Stewardship Program

https://ecology.wa.gov/rulemaking-announcement-wac-173-910-07-22-15

Rulemaking Emergency Adoption Notice (WAC 173-167) 06/04/2019

This is an emergency rulemaking adoption (CR-103E) for WAC 173-167 Emergency Drought Funding.

https://ecology.wa.gov/rulemaking-order-wac-173-167-06-04-2019

Rulemaking Announcement (WAC 173-501) Instream Resources Protection Program - Nooksack Water Resource Inventory Area (WRIA) 1

This is a rulemaking Announcement (WAC 173-501) Instream Resources Protection Program - Nooksack Water Resource Inventory Area (WRIA) 1

https://ecology.wa.gov/rulemaking-announcement-wac-173-501-02-05-2019

Rulemaking-Announcement

A Preproposal Statement of Inquiry, announcing the beginning of an Ecology rulemaking on recycled content for plastic containers.

https://ecology.wa.gov/rulemaking-announcement-wac-173-925

Rulemaking Continuance (WAC 173-446) 6-3-22

This is a rulemaking continuance (CR-102) for Chapter 173-446 WAC, Climate Commitment Act Program.

https://ecology.wa.gov/rulemaking-continuance-wac-173-446-6-3-22

Rulemaking Announcement withdrawal (WAC 173-219) November 2006

This is a rulemaking withdrawal for WAC 173-219 Reclaimed Water

https://ecology.wa.gov/rulemaking-announcement-withdrawal-wac-173-219-0

Rulemaking Announcement (WAC 173-455; WAC 173-400) 04/18/18

This is the rulemaking announcement (CR-101) for WAC 173-455 Air Quality Fee rule; WAC 173-400 General Regulations for Air Pollution Sources.

https://ecology.wa.gov/rulemaking-announcement-wac173-455;-wac-173-400

Rulemaking Announcement (WAC 173-455; WAC 173-400) 02/06/2017

This is a rulemaking announcement (CR-101) for WAC 173-455 Air Quality Fee Rule; WAC 173-400 General Regulations for Air Pollution Sources.

https://ecology.wa.gov/d1609

Rulemaking Announcement (WAC 173-460) 07/18/18

This is a rulemaking announcement (CR-101) for WAC 173-460, Controls for New Sources of Toxic Air Pollutants.

https://ecology.wa.gov/rulemaking-announcement-wac-173-460-07-18-18

CR-103 Adoption Notice

CR-103 Adoption Notice for WAC 173-167

https://ecology.wa.gov/rulemaking-emergency-adoption-notice-wac-173-167-07-24-2023

Rulemaking Emergency Adoption Notice (WAC 173-167) 08/14/24

[9:11 AM] Brooks, Barbara (ECY) This is an emergency rulemaking adoption (CR-103E) for WAC 173-167 Emergency Drought Funding

https://ecology.wa.gov/rulemaking-emergency-adoption-notice-wac-173-167-08-14-24