Search Results - Washington State Department of Ecology

Chapter 173-167 WAC Emergency Drought Funding (2023)

This is the rulemaking page for Chapter 173-167 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-167-2023

Chapter 173-167 WAC, Emergency Drought Funding (2025)

On April 8, 2025, Ecology adopted amendments to Chapter 173-167 WAC Emergency Drought Funding

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-167-2025

Chapter 173-331 WAC

This is the rulemaking page for Chapter 173-331 WAC, Vehicle Battery Recycling.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-331-dec15

Chapter 173-442 WAC – Clean Air Rule

This is the rulemaking page to repeal Chapter 173-442 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-442

Chapter 197-11 WAC (SEPA rules – expedited rulemaking)

This is the Rulemaking page for Chapter 197-11 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-197-11-sepa-rules

Chapter 173-201A WAC (Aquatic Life Toxics Criteria)

This is the rulemaking page for Chapter 173-201A WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-201a-aquatic-life-toxics-criteria

Chapter 173-501 WAC

On May 27, 2020, Ecology adopted amendments to Chapter 173-501 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-501

Chapter 173-26 and 173-27 WAC, Shoreline Management Act

This is the rulemaking page for Chapter 173-26 WAC, Chapter 173-27 WAC

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-26-27-shoreline-management-act

Chapter 173-201A WAC (revisions)

On Dec. 30, 2019, Ecology adopted amendments to Chapter 173-201A WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac173-201a-revisions

Chapter 173-350 WAC - Organics Management

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-350

Chapters 173-425, 173-430, and 173-400 WAC, Flame Cap Kilns and Air Curtain Incinerators

This is the rulemaking page for Chapters 173-425, 173-430, and 173-400 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-425-430-400

Cap-and-Invest Program Updates and Linkage, Chapter 173-441 & 173-446 WAC

Comment Period: April 1, 2025, 12 p.m. - Oct. 1, 2025, 11:59 p.m.
Ecology is seeking comments related to electric utility allocation in the Cap-and-Invest Program.

https://ecology.wa.gov/events/cpr/chapter-173-441-173-446-wac-cap-and-invest-program-updates-and-linkage/public-comment-period-for-electric-utility-allocation-topics

Lincoln Rock Hydrogen Facility

Comment Period: April 29, 2025, 12:01 a.m. - June 5, 2025, 11:59 a.m.
State Waste Discharge Permit Application

https://ecology.wa.gov/events/swm/lincoln-rock-hydrogen-facility/lincoln-rock-hydrogen-facility

Whidbey Marine & Auto Supply cleanup site, Freeland

Comment Period: May 19, 2025, 12 a.m. - June 20, 2025, 11:59 p.m.
We invite you to review and comment on documents for the Whidbey Marine & Auto Supply cleanup site.

https://ecology.wa.gov/events/tcp/whidbey-marine-and-auto-supply/whidbey-marine-and-auto-supply

Chapter 173-305 WAC

This is the rulemaking page for Chapter 173-305 WAC

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-305

WAC 173-55: Accreditation of Cannabis Laboratories

This is the rulemaking page for Chapter 173-55 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-55

Chapter 173-167 WAC Emergency Drought Funding (2021)

This is the emergency rulemaking page for Chapter 173-167 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-167-2021

Chapter 173-228 WAC

On April 9, 2018, Ecology adopted a new rule, Chapter 173-228 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-228-jul17

Chapter 173-224 WAC-Water Quality Permit Fees

This is the rulemaking page for chapter 173-224 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-224

Chapter 173-167 WAC Emergency Drought Funding (2024)

This is the rulemaking page for Chapter 173-167 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-167-2024-28119efcad412da8f533ebdc1470dba2

Chapter 173-185 WAC

This is the rulemaking page for chapter 173-185 WAC, Oil Movement by Rail and Pipeline Notification.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-185

Chapter 173-180 WAC and Chapter 173-184 WAC

This is the rulemaking page for Chapter 173-180 WAC and Chapter 173-184 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-180-173-184

Chapter 173-187 WAC

This is the rulemaking page for 173-187 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-187

Chapter 173-219 WAC

On January 23, 2018 the Department of Ecology adopted new rule, Chapter 173-219 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-219-jun14

Chapter 173-441 WAC – Reporting of Emissions of Greenhouse Gases

This is the rulemaking page for Chapter 173-441 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-441

Chapter 173-455 WAC – Air Quality Fee Rule

This is the rulemaking page for Chapter 173-455 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-455

Chapters 173-441 and 173-446 WAC – Electricity Markets

This is the rulemaking page for Chapter 173-441 WAC and Chapter 173-446 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-441-446

Chapter 173-350 WAC

On August 01, 2018 the Department of Ecology adopted amendments to Chapter 173-350 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-350-nov13

Chapter 173-04 WAC

This is the rulemaking page for Chapter 173-04 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-04

Chapters 173-422 and 173-422A WAC – Motor Vehicle Emission Inspection

This is the rulemaking page to repeal Chapters 173-422 and 173-422A WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-422-422a

Chapters 173-491, 173-400, 173-455 WAC – Emission Standards and Controls for Sources Emitting Gasoline Vapors

This rulemaking was withdrawn August 19, 2021 regarding WAC 173-491, WAC 173-400 and WAC 173-455.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-491-jul13

Chapter 173-448 WAC – Air Quality in Overburdened Communities

This is the rulemaking page for Chapter 173-448 WAC, Air Quality in Overburdened Communities.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-448

Safer Products for Washington webinar

Public Event: June 17, 2025, 10 a.m., in Online webinar (morning)
Join us to learn about our Safer Products for Washington Cycle 2 Final Identification of Priority Products Report to the Legislature.

https://ecology.wa.gov/events/hwtr/spwa-cycle-2/safer-products-morning-webinar

Safer Products for Washington webinar

Public Event: June 17, 2025, 5:30 p.m., in Online webinar (evening)
Join us to learn about our Safer Products for Washington Cycle 2 Final Identification of Priority Products Report to the Legislature.

https://ecology.wa.gov/events/hwtr/spwa-cycle-2/safer-products-evening-webinar

Chapter 173-201A WAC (Variances)

This is a rulemaking page for Chapter 173-201A WAC for variances in Spokane River.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac173-201a-variances

Chapter 173-905 WAC - Battery Stewardship Program

This is the rulemaking page for Chapter 173-905 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-905

Chapter 173-201A WAC (Chelan UAA)

This is the rulemaking page for Chapter 173-201A WAC (Chelan UAA)

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac173-201a-chelan-uaa

Chapter 173-337 WAC – Safer Products Restrictions and Reporting

This is the rulemaking page for Chapter 173-337 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-337-may2023

Chapter 173-446 WAC – Allowance Price Containment Reserve

This is the rulemaking page for Chapter 173-446 WAC, Allowance Price Containment Reserve.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-446-apcr

Chapter 173-158 WAC, Flood Plain Management

This is the rulemaking page for Chapter 173-158 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-158

Chapter 173-201A WAC (Human Health Criteria)

This is the rulemaking page for Chapter 173-201A WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-201a-hhc

Chapter 173-339 WAC – Cosmetic Products Restrictions (Lead in Cosmetics)

This is the rulemaking page for Chapter 137-339 WAC (Lead in Cosmetics).

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-339-lead-in-cosmetics

Chapter 173-224 WAC – Water Quality Permit Fees

This is the rulemaking page for Chapter 173-224 WAC

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-224

Chapter 173-337 WAC: Safer Products Restrictions and Reporting (Cycle 1.5: PFAS)

This is the rulemaking page for Chapter 173-337 WAC

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-337-nov2023

Chapter 173-339 WAC – Cosmetic Products Restrictions (Formaldehyde in Cosmetics)

This is the rulemaking page for Chapter 173-339 WAC – Cosmetic Products Restrictions

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-339

Chapter 173-443 WAC Hydrofluorocarbons

This is the rulemaking page for Chapter 173-443 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-443-hydrofluorocarbons

Chapter 173-201A WAC (Outstanding Resource Waters)

This is the rulemaking page for Chapter 173-201A WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-201a-outstanding-resource-waters

Chapter 173-423 WAC – Clean Vehicles Program

This is the rulemaking page for Chapter 173-423 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-423

Chapter 173-446 WAC – Cap-and-Invest Offsets

This is the rulemaking page for Chapter 173-446 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-446-offsets

Chapters 173-400 and 173-401 WAC, General Regulations for Air Pollution Sources

This is the rulemaking page for Chapters 173-400 and 173-401 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-400-401-air-pollution-sources