Search Results - Washington State Department of Ecology

WRIA 1 Adjudication Webinar

Public Event: June 24, 2025, 5:30 p.m., in Online webinar
Do you have questions about filing your court claim form? Join us for our June webinar.

https://ecology.wa.gov/events/wr/adjudications/wria-1-adjudication-webinar-june

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

Permit Applications or Manure Pollution Prevention Plans

Comment Period: May 10, 2025, 9 a.m. - June 10, 2025, 12:05 a.m.
We invite your comments on whether new or renewing applications and Manure Pollution Prevention Plans for the Concentrated Animal Feeding Operation (CAFO) General Permit are appropriate under the permit.

https://ecology.wa.gov/events/wq/cafo/cafo-applicantpubliccomments

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 173-446 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

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

Webinar #2: Ripping the Stitch

Public Event: May 8, 2025, 10 a.m., in Online webinar

https://ecology.wa.gov/events/swm/textile-webinar-series/textile-webinar-may-8-2025

Informational Webinar

Public Event: June 11, 2025, 10 a.m., in Online webinar
We are hosting a webinar where we will discuss our process and provide an overview of updates made to the plan.

https://ecology.wa.gov/events/wq/nonpoint-plan/informational-webinar

Chapter 173-201A WAC (Salmon Spawning Habitat)

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

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

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

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 173-339 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 173-333 WAC

This is the rulemaking page for Chapter 173-333 WAC, Chemical Action Plans.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/rulemaking/wac-173-333-oct15

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 173-446B 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 173-448 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

Chapter 173-525 WAC

This is the rulemaking page for Chapter 173-525 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-525-mar05

Chapter 173-526 WAC

This is the rulemaking page for Chapter 173-526 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-526-mar05

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 173-201A 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 173-201A 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 173-337 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 173-350 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

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 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 173-443 WAC – Hydrofluorocarbons (HFCs)

On Dec. 10, 2020, Ecology adopted a new rule, Chapter 173-443 WAC, Hydrofluorocarbons.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac173-443

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

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 173-305 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 (2025)

On June 5, 2025, Ecology adopted amendments to Chapter 173-167 WAC, Emergency Drought Funding (2025)

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

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 173-905 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 173-408 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 173-441 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 173-224 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 173-135 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 173-503A WAC

This is the rulemaking page for Chapter 173-503A WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac-173-503a-feb15

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

Chapters 173-423 and 173-400 WAC – Clean Vehicles Program

This is the rulemaking page for Chapter 173-423 WAC and Chapter 173-400 WAC.

https://ecology.wa.gov/regulations-permits/laws-rules-rulemaking/closed-rulemaking/wac173-423-400jan18

WestRock Mill, Tacoma

Comment Period: April 23, 2025, 12 a.m. - June 4, 2025, 11:59 p.m.
This is a modification of the WestRock Tacoma water quality permit.

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

2025 Triennial Review Public Hearing

Public Event: April 15, 2025, 5:30 p.m., in Online Public Hearing
We invite you to attend this public workshop and hearing on the Triennial Review of Washington's surface water quality Standards.

https://ecology.wa.gov/events/wq/water-quality-standards-triennial-review/public-hearing-sept-9

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

Webinar #1: Cut from the Same Cloth

Public Event: May 6, 2025, 10 a.m., in Online webinar

https://ecology.wa.gov/events/swm/textile-webinar-series/textile-webinar-may-6-2025

Webinar #3: Hemmed in to Cutting Loose

Public Event: May 13, 2025, 10 a.m., in Online webinar

https://ecology.wa.gov/events/swm/textile-webinar-series/textile-webinar-may-13-2025

Seashore Villa Mobile Home Park Sewage Treatment Plant Draft Permit

Comment Period: May 28, 2025, 12 a.m. - June 27, 2025, 11:59 p.m.
We invite you to comment on the draft permit No. WA0037273

https://ecology.wa.gov/events/wq/npdes-discharge-permit/seashore-villa-mobile-home-park

Pacific Beach Wastewater Treatment Plant Draft Permit

Comment Period: May 27, 2025, 12 a.m. - June 26, 2025, 11:59 p.m.
We invite you to comment on the draft permit No. WA0037095

https://ecology.wa.gov/events/wq/npdes-discharge-permit/grays-harbor-county

Ilwaco Wastewater Treatment Plant Draft Permit

Comment Period: May 28, 2025, 12 a.m. - June 27, 2025, 11:59 p.m.
We invite you to comment on the draft permit No. WA0023159

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