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Public input & events — Listing

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Snake River - Lower Granite Pool (SLOGR) — Geographic Response Plan (GRP)

Draft 2026 BOMA map — Business Organics Management Areas (BOMA)

Maxum Petroleum – Pier 15 Facility — Spill Prevention Plan

Draft 2025 Air Quality Monitoring Network Plan — Air quality monitoring network

Terex Washington, Moses Lake — Air quality notice of construction application – Opportunity to request a public comment period

Viterra, Warden — Air quality notice of construction application – Opportunity to request a public comment period

Okanagan Specialty Fruits Permit Application — Wastewater Discharge Permit - State Waste Discharge Permit

Whidbey Marine & Auto Supply cleanup site, Freeland — Comment on cleanup documents

Advantage Dirt Contractors, Wenatchee — Cancellation of coverage under air quality general order – Opportunity to request a public comment period

Pacific Beach Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Ilwaco Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Seashore Villa Mobile Home Park Sewage Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

REG Grays Harbor LLC — Oil Spill Contingency Plan

Tesoro Logistics Operations — Solid Waste Discharge Permit Application

Specialty Minerals Longview — Specialty Minerals Longview

Shell Oil Tank Farm Cleanup Site, Anacortes — Comment on second draft periodic review of this cleanup site

Anacortes Former Water Treatment Plant, Anacortes — Comment on proposed removal from the Contaminated Sites List

Clean Vehicles Program Rulemaking — WAC 173-423 Clean Vehicles Program

Greenwood Mushrooms Sunnyside I.A. LLC — Notice of Availability - State Waste Discharge Permit

Safer Products for Washington Cycle 1.5 PFAS Rulemaking — Comment on the proposed rule and rulemaking documents

Draft Nonpoint plan — Water Quality Management Plan to control nonpoint sources of pollution

Cap-and-Invest: Comment on EITE allowance allocation — Cap-and-Invest: Report to Legislature on EITE allowance allocation from 2035-2050

Cap-and-Invest Program Updates and Linkage, Chapter 173-441 & 173-446 WAC — Public comment period (informal) – Electric utility allocation topics

Open comment periods:

Closing date:

Snake River - Lower Granite Pool (SLOGR) — Geographic Response Plan (GRP)

Draft 2026 BOMA map — Business Organics Management Areas (BOMA)

Maxum Petroleum – Pier 15 Facility — Spill Prevention Plan

Draft 2025 Air Quality Monitoring Network Plan — Air quality monitoring network

Terex Washington, Moses Lake — Air quality notice of construction application – Opportunity to request a public comment period

Viterra, Warden — Air quality notice of construction application – Opportunity to request a public comment period

Okanagan Specialty Fruits Permit Application — Wastewater Discharge Permit - State Waste Discharge Permit

Whidbey Marine & Auto Supply cleanup site, Freeland — Comment on cleanup documents

Advantage Dirt Contractors, Wenatchee — Cancellation of coverage under air quality general order – Opportunity to request a public comment period

Klickitat Valley Health, Goldendale — Air quality notice of construction application – Opportunity to request a public comment period

Pacific Beach Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Ilwaco Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Seashore Villa Mobile Home Park Sewage Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

REG Grays Harbor LLC — Oil Spill Contingency Plan

Tesoro Logistics Operations — Solid Waste Discharge Permit Application

Specialty Minerals Longview — Specialty Minerals Longview

Shell Oil Tank Farm Cleanup Site, Anacortes — Comment on second draft periodic review of this cleanup site

Anacortes Former Water Treatment Plant, Anacortes — Comment on proposed removal from the Contaminated Sites List

Clean Vehicles Program Rulemaking — WAC 173-423 Clean Vehicles Program

Greenwood Mushrooms Sunnyside I.A. LLC — Notice of Availability - State Waste Discharge Permit

Safer Products for Washington Cycle 1.5 PFAS Rulemaking — Comment on the proposed rule and rulemaking documents

Draft Nonpoint plan — Water Quality Management Plan to control nonpoint sources of pollution

Cap-and-Invest: Comment on EITE allowance allocation — Cap-and-Invest: Report to Legislature on EITE allowance allocation from 2035-2050

Cap-and-Invest Program Updates and Linkage, Chapter 173-441 & 173-446 WAC — Public comment period (informal) – Electric utility allocation topics

Open comment periods:

Closing date:

Snake River - Lower Granite Pool (SLOGR) — Geographic Response Plan (GRP)

Draft 2026 BOMA map — Business Organics Management Areas (BOMA)

Maxum Petroleum – Pier 15 Facility — Spill Prevention Plan

Draft 2025 Air Quality Monitoring Network Plan — Air quality monitoring network

Terex Washington, Moses Lake — Air quality notice of construction application – Opportunity to request a public comment period

Viterra, Warden — Air quality notice of construction application – Opportunity to request a public comment period

Okanagan Specialty Fruits Permit Application — Wastewater Discharge Permit - State Waste Discharge Permit

Whidbey Marine & Auto Supply cleanup site, Freeland — Comment on cleanup documents

Advantage Dirt Contractors, Wenatchee — Cancellation of coverage under air quality general order – Opportunity to request a public comment period

Klickitat Valley Health, Goldendale — Air quality notice of construction application – Opportunity to request a public comment period

Pacific Beach Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Ilwaco Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Seashore Villa Mobile Home Park Sewage Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

REG Grays Harbor LLC — Oil Spill Contingency Plan

Tesoro Logistics Operations — Solid Waste Discharge Permit Application

Specialty Minerals Longview — Specialty Minerals Longview

Shell Oil Tank Farm Cleanup Site, Anacortes — Comment on second draft periodic review of this cleanup site

Anacortes Former Water Treatment Plant, Anacortes — Comment on proposed removal from the Contaminated Sites List

Clean Vehicles Program Rulemaking — WAC 173-423 Clean Vehicles Program

Greenwood Mushrooms Sunnyside I.A. LLC — Notice of Availability - State Waste Discharge Permit

Lewis County Water District No. 2 Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Spokane International Airport Public Notice of Application — Wastewater Discharge Permit - State Waste Discharge Permit

Safer Products for Washington Cycle 1.5 PFAS Rulemaking — Comment on the proposed rule and rulemaking documents

Draft Nonpoint plan — Water Quality Management Plan to control nonpoint sources of pollution

Cap-and-Invest: Comment on EITE allowance allocation — Cap-and-Invest: Report to Legislature on EITE allowance allocation from 2035-2050

Cap-and-Invest Program Updates and Linkage, Chapter 173-441 & 173-446 WAC — Public comment period (informal) – Electric utility allocation topics

Informational Webinar - Draft Nonpoint plan

Meetings & Hearings

Online webinar Join Online

Start: 10 a.m.

We are hosting a webinar where we will discuss our process and provide an overview of updates made to the plan.

> See event details

Snake River - Lower Granite Pool (SLOGR) — Geographic Response Plan (GRP)

Draft 2026 BOMA map — Business Organics Management Areas (BOMA)

Maxum Petroleum – Pier 15 Facility — Spill Prevention Plan

Draft 2025 Air Quality Monitoring Network Plan — Air quality monitoring network

Terex Washington, Moses Lake — Air quality notice of construction application – Opportunity to request a public comment period

Viterra, Warden — Air quality notice of construction application – Opportunity to request a public comment period

Okanagan Specialty Fruits Permit Application — Wastewater Discharge Permit - State Waste Discharge Permit

Whidbey Marine & Auto Supply cleanup site, Freeland — Comment on cleanup documents

Advantage Dirt Contractors, Wenatchee — Cancellation of coverage under air quality general order – Opportunity to request a public comment period

Klickitat Valley Health, Goldendale — Air quality notice of construction application – Opportunity to request a public comment period

Pacific Beach Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Ilwaco Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Seashore Villa Mobile Home Park Sewage Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

REG Grays Harbor LLC — Oil Spill Contingency Plan

Tesoro Logistics Operations — Solid Waste Discharge Permit Application

Specialty Minerals Longview — Specialty Minerals Longview

Shell Oil Tank Farm Cleanup Site, Anacortes — Comment on second draft periodic review of this cleanup site

Anacortes Former Water Treatment Plant, Anacortes — Comment on proposed removal from the Contaminated Sites List

Clean Vehicles Program Rulemaking — WAC 173-423 Clean Vehicles Program

Greenwood Mushrooms Sunnyside I.A. LLC — Notice of Availability - State Waste Discharge Permit

Lewis County Water District No. 2 Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

BP Cherry Point — Spill Prevention Plan

Centerline Logistics — Oil Spill Contingency Plan

Stevenson Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Fort Columbia State Park Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

City of Pateros Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Spokane International Airport Public Notice of Application — Wastewater Discharge Permit - State Waste Discharge Permit

Safer Products for Washington Cycle 1.5 PFAS Rulemaking — Comment on the proposed rule and rulemaking documents

Chapter 363-116 WAC, Pilotage Rules, Board of Pilotage Commissioners — Comment period for Rule proposal phase (CR-102)

Draft Nonpoint plan — Water Quality Management Plan to control nonpoint sources of pollution

Cap-and-Invest: Comment on EITE allowance allocation — Cap-and-Invest: Report to Legislature on EITE allowance allocation from 2035-2050

Cap-and-Invest Program Updates and Linkage, Chapter 173-441 & 173-446 WAC — Public comment period (informal) – Electric utility allocation topics

Open comment periods:

Closing date:

Snake River - Lower Granite Pool (SLOGR) — Geographic Response Plan (GRP)

Draft 2026 BOMA map — Business Organics Management Areas (BOMA)

Maxum Petroleum – Pier 15 Facility — Spill Prevention Plan

Draft 2025 Air Quality Monitoring Network Plan — Air quality monitoring network

Terex Washington, Moses Lake — Air quality notice of construction application – Opportunity to request a public comment period

Viterra, Warden — Air quality notice of construction application – Opportunity to request a public comment period

Okanagan Specialty Fruits Permit Application — Wastewater Discharge Permit - State Waste Discharge Permit

Whidbey Marine & Auto Supply cleanup site, Freeland — Comment on cleanup documents

Advantage Dirt Contractors, Wenatchee — Cancellation of coverage under air quality general order – Opportunity to request a public comment period

Klickitat Valley Health, Goldendale — Air quality notice of construction application – Opportunity to request a public comment period

Pacific Beach Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Ilwaco Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Seashore Villa Mobile Home Park Sewage Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

REG Grays Harbor LLC — Oil Spill Contingency Plan

Tesoro Logistics Operations — Solid Waste Discharge Permit Application

Specialty Minerals Longview — Specialty Minerals Longview

Shell Oil Tank Farm Cleanup Site, Anacortes — Comment on second draft periodic review of this cleanup site

Anacortes Former Water Treatment Plant, Anacortes — Comment on proposed removal from the Contaminated Sites List

Clean Vehicles Program Rulemaking — WAC 173-423 Clean Vehicles Program

Greenwood Mushrooms Sunnyside I.A. LLC — Notice of Availability - State Waste Discharge Permit

Lewis County Water District No. 2 Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

BP Cherry Point — Spill Prevention Plan

Centerline Logistics — Oil Spill Contingency Plan

Stevenson Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Fort Columbia State Park Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Handy Andy No. 8 Groundwater Recovery & Treatment Facility Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

City of Pateros Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Stubblefield Salvage Yard — Draft cleanup plan

Sunnydell Dryke Shooting Range, Sequim — Comment on periodic review of this cleanup site

Spokane International Airport Public Notice of Application — Wastewater Discharge Permit - State Waste Discharge Permit

Safer Products for Washington Cycle 1.5 PFAS Rulemaking — Comment on the proposed rule and rulemaking documents

Chapter 363-116 WAC, Pilotage Rules, Board of Pilotage Commissioners — Comment period for Rule proposal phase (CR-102)

Port Angeles Rayonier Mill — Comment on cleanup documents

Draft Plan — Puget Sound Nutrient Reduction

Draft Nonpoint plan — Water Quality Management Plan to control nonpoint sources of pollution

Cap-and-Invest: Comment on EITE allowance allocation — Cap-and-Invest: Report to Legislature on EITE allowance allocation from 2035-2050

Cap-and-Invest Program Updates and Linkage, Chapter 173-441 & 173-446 WAC — Public comment period (informal) – Electric utility allocation topics

Open comment periods:

Closing date:

Snake River - Lower Granite Pool (SLOGR) — Geographic Response Plan (GRP)

Draft 2026 BOMA map — Business Organics Management Areas (BOMA)

Maxum Petroleum – Pier 15 Facility — Spill Prevention Plan

Draft 2025 Air Quality Monitoring Network Plan — Air quality monitoring network

Terex Washington, Moses Lake — Air quality notice of construction application – Opportunity to request a public comment period

Viterra, Warden — Air quality notice of construction application – Opportunity to request a public comment period

Okanagan Specialty Fruits Permit Application — Wastewater Discharge Permit - State Waste Discharge Permit

Whidbey Marine & Auto Supply cleanup site, Freeland — Comment on cleanup documents

Advantage Dirt Contractors, Wenatchee — Cancellation of coverage under air quality general order – Opportunity to request a public comment period

Klickitat Valley Health, Goldendale — Air quality notice of construction application – Opportunity to request a public comment period

Pacific Beach Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Ilwaco Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Seashore Villa Mobile Home Park Sewage Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

REG Grays Harbor LLC — Oil Spill Contingency Plan

Tesoro Logistics Operations — Solid Waste Discharge Permit Application

Specialty Minerals Longview — Specialty Minerals Longview

Shell Oil Tank Farm Cleanup Site, Anacortes — Comment on second draft periodic review of this cleanup site

Anacortes Former Water Treatment Plant, Anacortes — Comment on proposed removal from the Contaminated Sites List

Clean Vehicles Program Rulemaking — WAC 173-423 Clean Vehicles Program

Greenwood Mushrooms Sunnyside I.A. LLC — Notice of Availability - State Waste Discharge Permit

Lewis County Water District No. 2 Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

BP Cherry Point — Spill Prevention Plan

Centerline Logistics — Oil Spill Contingency Plan

Stevenson Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Fort Columbia State Park Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Handy Andy No. 8 Groundwater Recovery & Treatment Facility Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

City of Pateros Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Stubblefield Salvage Yard — Draft cleanup plan

Ridgefield Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Sunnydell Dryke Shooting Range, Sequim — Comment on periodic review of this cleanup site

Spokane International Airport Public Notice of Application — Wastewater Discharge Permit - State Waste Discharge Permit

Safer Products for Washington Cycle 1.5 PFAS Rulemaking — Comment on the proposed rule and rulemaking documents

Chapter 363-116 WAC, Pilotage Rules, Board of Pilotage Commissioners — Comment period for Rule proposal phase (CR-102)

Port Angeles Rayonier Mill — Comment on cleanup documents

Draft Plan — Puget Sound Nutrient Reduction

Draft Nonpoint plan — Water Quality Management Plan to control nonpoint sources of pollution

Cap-and-Invest: Comment on EITE allowance allocation — Cap-and-Invest: Report to Legislature on EITE allowance allocation from 2035-2050

Cap-and-Invest Program Updates and Linkage, Chapter 173-441 & 173-446 WAC — Public comment period (informal) – Electric utility allocation topics

Open comment periods:

Closing date:

Snake River - Lower Granite Pool (SLOGR) — Geographic Response Plan (GRP)

Draft 2026 BOMA map — Business Organics Management Areas (BOMA)

Maxum Petroleum – Pier 15 Facility — Spill Prevention Plan

Draft 2025 Air Quality Monitoring Network Plan — Air quality monitoring network

Terex Washington, Moses Lake — Air quality notice of construction application – Opportunity to request a public comment period

Viterra, Warden — Air quality notice of construction application – Opportunity to request a public comment period

Okanagan Specialty Fruits Permit Application — Wastewater Discharge Permit - State Waste Discharge Permit

Whidbey Marine & Auto Supply cleanup site, Freeland — Comment on cleanup documents

Advantage Dirt Contractors, Wenatchee — Cancellation of coverage under air quality general order – Opportunity to request a public comment period

Klickitat Valley Health, Goldendale — Air quality notice of construction application – Opportunity to request a public comment period

Pacific Beach Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Ilwaco Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Seashore Villa Mobile Home Park Sewage Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

REG Grays Harbor LLC — Oil Spill Contingency Plan

Tesoro Logistics Operations — Solid Waste Discharge Permit Application

Specialty Minerals Longview — Specialty Minerals Longview

Shell Oil Tank Farm Cleanup Site, Anacortes — Comment on second draft periodic review of this cleanup site

Anacortes Former Water Treatment Plant, Anacortes — Comment on proposed removal from the Contaminated Sites List

Clean Vehicles Program Rulemaking — WAC 173-423 Clean Vehicles Program

Greenwood Mushrooms Sunnyside I.A. LLC — Notice of Availability - State Waste Discharge Permit

Lewis County Water District No. 2 Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

BP Cherry Point — Spill Prevention Plan

Centerline Logistics — Oil Spill Contingency Plan

Stevenson Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Fort Columbia State Park Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Handy Andy No. 8 Groundwater Recovery & Treatment Facility Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

City of Pateros Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Stubblefield Salvage Yard — Draft cleanup plan

Ridgefield Wastewater Treatment Plant Draft Permit — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Sunnydell Dryke Shooting Range, Sequim — Comment on periodic review of this cleanup site

Spokane International Airport Public Notice of Application — Wastewater Discharge Permit - State Waste Discharge Permit

Safer Products for Washington Cycle 1.5 PFAS Rulemaking — Comment on the proposed rule and rulemaking documents

Chapter 363-116 WAC, Pilotage Rules, Board of Pilotage Commissioners — Comment period for Rule proposal phase (CR-102)

Port Angeles Rayonier Mill — Comment on cleanup documents

Draft Plan — Puget Sound Nutrient Reduction

Draft Nonpoint plan — Water Quality Management Plan to control nonpoint sources of pollution

Cap-and-Invest: Comment on EITE allowance allocation — Cap-and-Invest: Report to Legislature on EITE allowance allocation from 2035-2050

Cap-and-Invest Program Updates and Linkage, Chapter 173-441 & 173-446 WAC — Public comment period (informal) – Electric utility allocation topics