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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20230816ColvilleAQA

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

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

Washington Climate Commitment Act: Summary of market modeling and analysis of the proposed Cap and Invest Program, June 2022

This is the draft report of the summary of market modeling and analysis of the proposed cap and invest program of the Climate Commitment Act.

https://ecology.wa.gov/202206ccaeconmodel

PCB petition to EPA

Letter from Ecology to the EPA petitioning to reduce allowable PCBs in consumer products.

https://ecology.wa.gov/pcb-petition-to-epa

Pasco Basin Groundwater Subarea

Rulemaking Announcement (WAC 173-135)

https://ecology.wa.gov/wac-173-135_-21-01

Rule Agenda for July - December 2023

2023 Department of Ecology Rules Agenda

https://ecology.wa.gov/effie-bolinger

Rule Agenda for July - December 2017

https://ecology.wa.gov/rule-agenda-for-july-december-2017

Notification documentation boilerplate

Boilerplate for notification documentation

https://ecology.wa.gov/notification-documentation-boilerplate

Plan Holder Implementation Guidance

Rule implementation doc_Plan Holder Implementation Guidance

https://ecology.wa.gov/rule-implementation

Adopted rule language (WAC 173-910) 08/23/16

Thsi is adopted rule language for WAC 173-910 Mercury-Containing Lights Product Stewardship Program.

https://ecology.wa.gov/adopted-rule-language-wac-173-910-08-23-16

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

CR-101 Form (WAC 173-228) 07/05/17

This is a rulemaking announcement (CR-101) for WAC 173-228 Vessel Sewage No Discharge Zones

https://ecology.wa.gov/cr-101-form-wac-173-228-07-05-17

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

Part Five

Solid waste handling standars part 5

https://ecology.wa.gov/part-five

Ch173350_3rdPrelimDraft121516-PartFive.pdf

Part Five: 500 Groundwater monitoring, -600 Financial assurance requirements, -700 Permits and local ordinances, -710 Permit application and issuance, -715 General permit application requirements, -900 Remedial action, and -995 Soil and sediment use criteria.

https://ecology.wa.gov/ch173350_3rdprelimdraft121516-partfive-pdf

Addendum to Informal Draft Language

This addendum goes with the draft rule language for the informal comment period.

https://ecology.wa.gov/addendum-to-informal-draft-language

Adopted rule language (WAC 173-400) 10/25/18

This is adopted rule language for Chapter 173-400 WAC, General Regulations for Air Pollution Sources.

https://ecology.wa.gov/adopted-rule-language-wac-173-400-10-25-18

Adopted rule language (WAC 173-400) 08/16/18

This is adopted rule language for Chapter 173-400 WAC, General Regulations for Air Pollution Sources.

https://ecology.wa.gov/adopted-rule-language-wac-173-400-08-16-18