Search Results - Washington State Department of Ecology

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

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

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-441-446-cap-and-invest-program-updates-and-linkage

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

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

Snake River - Lower Granite Pool (SLOGR)

Comment Period: May 15, 2025, 8 a.m. - June 15, 2025, 5 p.m.
We are updating the Snake River - Lower Granite Pool Geographic Response Plan (GRP). An important part of the update process is hearing from the people who live, work, and play in the GRP area. To facilitate this, a public comment period will be open from May 15 to June 15, 2025.

https://ecology.wa.gov/events/spills/geographic-response-plans/snake-river-lower-granite-pool-slogr

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 173-228 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

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 173-340 WAC

This is the rulemaking page for Chapter 173-340 WAC, Model Toxics Control Act Cleanup Regulations.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-340

Chapter 173-408 WAC – Landfill Methane Emissions

This is the rulemaking page for Chapter 173-408 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-408

Chapter 173-201A WAC (Natural Conditions)

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

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

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

Chapters 173-443 and 173-455 WAC – Hydrofluorocarbons (HFCs)

This is the rulemaking page for Chapters 173-443 and 173-455 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-443-455

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 173-331 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

WAC 173-166 Emergency drought relief

This is the rulemaking page for Chapter 173-166 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-166

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

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 173-443 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

Hearing on marine dissolved oxygen methods

Public Event: May 15, 2025, 2 p.m., in Online webinar
We are accepting comments on the draft methods document that provides the information and process we must follow to calculate site-specific natural conditions criteria.

https://ecology.wa.gov/events/wq/performance-based-approach-methods-document/public-hearing

Marine dissolved oxygen methods

Comment Period: March 25, 2025, 12 a.m. - May 22, 2025, 11:59 p.m.
We are accepting comments on the draft methods document that provides the information and process we must follow to calculate site-specific natural conditions criteria.

https://ecology.wa.gov/events/wq/performance-based-approach-methods-document/performance-based-approach-method

SkyNRG Sustainable Aviation Fuel (SAF) Production Facility Project, Draft SEPA Determination

Comment Period: May 10, 2025, 12 a.m. - June 9, 2025, 5 p.m.
Public Notice of Draft SEPA Determination

https://ecology.wa.gov/events/wq/skynrg-sustainable-aviation-fuel-production-facility-project-walla-walla-county/skynrg-sustainable-aviation-fuel-saf-production-facility-project-walla-walla-county

Chapter 173-424 WAC – Clean Fuels Program

This is the rulemaking page for Chapter 173-424 WAC – Clean Fuels Program

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-424

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 173-455 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

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 173-04 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

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 173-925 WAC

This is the rulemaking page for Chapter 173-925 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-925

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 173-446 WAC – Climate Commitment Act Program Rule

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

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

Chapter 173-360A WAC

This is the rulemaking page for Chapter 173-360A WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-360a

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 173-337 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 173-446A WAC

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

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

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 173-135 WAC: Pasco Basin Groundwater Subarea

This is the rulemaking page for Chapter 173-135 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-135

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

Middle Columbia River – McNary Pool

Comment Period: May 5, 2025, 8 a.m. - June 5, 2025, 5 p.m.
We are updating the Middle Columbia River – McNary Pool Geographic Response Plan (GRP). An important part of the update process is hearing from the people who live, work, and play in the GRP area. To facilitate this, a public comment period will be open from May 5 to June 5, 2025.

https://ecology.wa.gov/events/spills/geographic-response-plans/middle-columbia-river-mcnary-pool

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

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 173-446B WAC – Climate Commitment Act Funds Reporting

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

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

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 173-423 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

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

Public Event: May 5, 2025, 2:30 p.m., in Online webinar
Ecology is hosting a community forum for the Cap-and-Invest Program Updates and Linkage rulemaking.

https://ecology.wa.gov/events/cpr/chapter-173-441-173-446-wac-cap-and-invest-program-updates-and-linkage/community-forum

WestRock Mill in Tacoma

Public Event: May 28, 2025, 5:30 p.m., in Online webinar
An online public hearing to accept oral comments will be held on May 28, 2025 at 5:30 p.m.

https://ecology.wa.gov/events/swm/westrock-mill-in-tacoma/westrock-tacoma-water-quality-permit

City of Bridgeport Draft Permit

Comment Period: May 1, 2025, 12 a.m. - May 31, 2025, 12 a.m.
We invite you to comment on Draft Permit No. WA0024066.

https://ecology.wa.gov/events/wq/npdes-discharge-permit/city-of-bridgeport-draft-permit

Webinar #4: Fastening the Textile Community

Public Event: May 15, 2025, 10 a.m., in Online webinar

https://ecology.wa.gov/events/swm/textile-webinar-series/textile-webinar-may-15-2025

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