Public input & events — Listing

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WAC 173-423, Clean vehicles Program — Comment Period

Central Manufacturing stationary asphalt plant, Moses Lake — Air quality application for general order coverage – Opportunity to request a public comment period

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

Cedar Creek Corrections Center, Wastewater Treatment Plant Permit Modification — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Roosevelt Regional Landfill leachate pond, Roosevelt — Air quality notice of construction application – Opportunity to request a public comment period

Roosevelt Regional Landfill, Roosevelt — Air quality notice of construction application – Opportunity to request a public comment period

Snow & Sons Produce Co., Notice of Availability of State Waste Discharge Permit Application — Wastewater Discharge Permit - State Waste Discharge Permit

Western Port Angeles Harbor cleanup — Comment on cleanup documents

TOC Facility 01 176 Cleanup, Mountlake Terrace — Draft Prospective Purchaser Consent Decree

Puget Sound Energy generating station, Goldendale — Air quality notice of construction application – Opportunity to request a public comment period

Louisiana Pacific Corp, Tacoma — Comment on periodic review of this cleanup site

Tidewater Fuel Line Leak, Pasco — Draft periodic review of this cleanup site

Kinder Morgan Harbor Island Terminal, Seattle — Spill Prevention Plan

Microsoft Columbia Data Center, Quincy — Air quality notice of construction application

Open public comment period — Lower Snake River water supply replacement study

Central Puget Sound — Geographic Response Plan (GRP)

Post-Consumer Recycled Content (PCRC) — Workload Analysis

Coastal Zone Management Program 2026-2030 Assessment & Strategy — Coastal Zone Management Program 2026-2030 Assessment & Strategy

Pangborn Memorial Airport, Wenatchee — Notice of Availability, Wastewater Discharge Permit Application

Proposed funding list for 2026 Water Quality Grants — Water Quality grant & loan funding

Marine Spill Response Corporation, Significant Equipment Change — Primary Response Contractor Application

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

Informal Public Feedback Period — Sand and Gravel General Permit

Draft NPDES water quality permit — Georgia Pacific Camas Mill

Chapter 363-116 WAC, Pilotage Rules, Board of Pilotage Commissioners — Informal comment period to inform draft rule language

Perma-Fix Northwest draft permit renewal — Perma-Fix Northwest draft permit renewal

Draft Supplemental Environmental Impact Statement — Perma-Fix Northwest draft permit renewal

Comment on linkage agreement — Cap-and-Invest linkage

Organics management, Chapter 173-350 WAC — Rulemaking public comments

Formaldehyde in Cosmetics Rulemaking — Comment on the proposed rule and rulemaking documents

Open comment periods:

Closing date:

Central Manufacturing stationary asphalt plant, Moses Lake — Air quality application for general order coverage – Opportunity to request a public comment period

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

Cedar Creek Corrections Center, Wastewater Treatment Plant Permit Modification — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Roosevelt Regional Landfill leachate pond, Roosevelt — Air quality notice of construction application – Opportunity to request a public comment period

Roosevelt Regional Landfill, Roosevelt — Air quality notice of construction application – Opportunity to request a public comment period

Snow & Sons Produce Co., Notice of Availability of State Waste Discharge Permit Application — Wastewater Discharge Permit - State Waste Discharge Permit

Western Port Angeles Harbor cleanup — Comment on cleanup documents

TOC Facility 01 176 Cleanup, Mountlake Terrace — Draft Prospective Purchaser Consent Decree

Puget Sound Energy generating station, Goldendale — Air quality notice of construction application – Opportunity to request a public comment period

Louisiana Pacific Corp, Tacoma — Comment on periodic review of this cleanup site

Tidewater Fuel Line Leak, Pasco — Draft periodic review of this cleanup site

Kinder Morgan Harbor Island Terminal, Seattle — Spill Prevention Plan

ALBAR Industrial Minerals, Colville — Air quality notice of construction rescission order – Opportunity to request a public comment period

Dynamic Food Ingredients, MP EROH, Moses Lake — Air quality notice of construction rescission order – Opportunity to request a public comment period

Microsoft Columbia Data Center, Quincy — Air quality notice of construction application

Open public comment period — Lower Snake River water supply replacement study

Central Puget Sound — Geographic Response Plan (GRP)

Post-Consumer Recycled Content (PCRC) — Workload Analysis

Coastal Zone Management Program 2026-2030 Assessment & Strategy — Coastal Zone Management Program 2026-2030 Assessment & Strategy

Pangborn Memorial Airport, Wenatchee — Notice of Availability, Wastewater Discharge Permit Application

Proposed funding list for 2026 Water Quality Grants — Water Quality grant & loan funding

Marine Spill Response Corporation, Significant Equipment Change — Primary Response Contractor Application

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

Informal Public Feedback Period — Sand and Gravel General Permit

Harris Avenue Shipyard cleanup site, Bellingham — Comment on a legal agreement and cleanup plan

Pierce County Shoreline Master Program (SMP), Amendment — Public comment period

Draft NPDES water quality permit — Georgia Pacific Camas Mill

Chapter 363-116 WAC, Pilotage Rules, Board of Pilotage Commissioners — Informal comment period to inform draft rule language

Perma-Fix Northwest draft permit renewal — Perma-Fix Northwest draft permit renewal

Draft Supplemental Environmental Impact Statement — Perma-Fix Northwest draft permit renewal

Comment on linkage agreement — Cap-and-Invest linkage

Organics management, Chapter 173-350 WAC — Rulemaking public comments

Formaldehyde in Cosmetics Rulemaking — Comment on the proposed rule and rulemaking documents

Open comment periods:

Closing date:

Central Manufacturing stationary asphalt plant, Moses Lake — Air quality application for general order coverage – Opportunity to request a public comment period

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

Cedar Creek Corrections Center, Wastewater Treatment Plant Permit Modification — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Roosevelt Regional Landfill leachate pond, Roosevelt — Air quality notice of construction application – Opportunity to request a public comment period

Roosevelt Regional Landfill, Roosevelt — Air quality notice of construction application – Opportunity to request a public comment period

Snow & Sons Produce Co., Notice of Availability of State Waste Discharge Permit Application — Wastewater Discharge Permit - State Waste Discharge Permit

Western Port Angeles Harbor cleanup — Comment on cleanup documents

TOC Facility 01 176 Cleanup, Mountlake Terrace — Draft Prospective Purchaser Consent Decree

Puget Sound Energy generating station, Goldendale — Air quality notice of construction application – Opportunity to request a public comment period

Louisiana Pacific Corp, Tacoma — Comment on periodic review of this cleanup site

Tidewater Fuel Line Leak, Pasco — Draft periodic review of this cleanup site

Kinder Morgan Harbor Island Terminal, Seattle — Spill Prevention Plan

ALBAR Industrial Minerals, Colville — Air quality notice of construction rescission order – Opportunity to request a public comment period

Dynamic Food Ingredients, MP EROH, Moses Lake — Air quality notice of construction rescission order – Opportunity to request a public comment period

Microsoft Columbia Data Center, Quincy — Air quality notice of construction application

Open public comment period — Lower Snake River water supply replacement study

Central Puget Sound — Geographic Response Plan (GRP)

Post-Consumer Recycled Content (PCRC) — Workload Analysis

Coastal Zone Management Program 2026-2030 Assessment & Strategy — Coastal Zone Management Program 2026-2030 Assessment & Strategy

Pangborn Memorial Airport, Wenatchee — Notice of Availability, Wastewater Discharge Permit Application

Proposed funding list for 2026 Water Quality Grants — Water Quality grant & loan funding

Marine Spill Response Corporation, Significant Equipment Change — Primary Response Contractor Application

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

Informal Public Feedback Period — Sand and Gravel General Permit

Harris Avenue Shipyard cleanup site, Bellingham — Comment on a legal agreement and cleanup plan

Pierce County Shoreline Master Program (SMP), Amendment — Public comment period

Draft NPDES water quality permit — Georgia Pacific Camas Mill

Chapter 363-116 WAC, Pilotage Rules, Board of Pilotage Commissioners — Informal comment period to inform draft rule language

Perma-Fix Northwest draft permit renewal — Perma-Fix Northwest draft permit renewal

Draft Supplemental Environmental Impact Statement — Perma-Fix Northwest draft permit renewal

Comment on linkage agreement — Cap-and-Invest linkage

Organics management, Chapter 173-350 WAC — Rulemaking public comments

Formaldehyde in Cosmetics Rulemaking — Comment on the proposed rule and rulemaking documents

Open comment periods:

Closing date:

Central Manufacturing stationary asphalt plant, Moses Lake — Air quality application for general order coverage – Opportunity to request a public comment period

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

Cedar Creek Corrections Center, Wastewater Treatment Plant Permit Modification — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Roosevelt Regional Landfill leachate pond, Roosevelt — Air quality notice of construction application – Opportunity to request a public comment period

Roosevelt Regional Landfill, Roosevelt — Air quality notice of construction application – Opportunity to request a public comment period

Snow & Sons Produce Co., Notice of Availability of State Waste Discharge Permit Application — Wastewater Discharge Permit - State Waste Discharge Permit

Western Port Angeles Harbor cleanup — Comment on cleanup documents

TOC Facility 01 176 Cleanup, Mountlake Terrace — Draft Prospective Purchaser Consent Decree

Puget Sound Energy generating station, Goldendale — Air quality notice of construction application – Opportunity to request a public comment period

Louisiana Pacific Corp, Tacoma — Comment on periodic review of this cleanup site

Tidewater Fuel Line Leak, Pasco — Draft periodic review of this cleanup site

Kinder Morgan Harbor Island Terminal, Seattle — Spill Prevention Plan

ALBAR Industrial Minerals, Colville — Air quality notice of construction rescission order – Opportunity to request a public comment period

Dynamic Food Ingredients, MP EROH, Moses Lake — Air quality notice of construction rescission order – Opportunity to request a public comment period

Microsoft Columbia Data Center, Quincy — Air quality notice of construction application

Group14 BAM-2, Moses Lake — Air quality notice of construction application – Opportunity to request a public comment period

Open public comment period — Lower Snake River water supply replacement study

Central Puget Sound — Geographic Response Plan (GRP)

Post-Consumer Recycled Content (PCRC) — Workload Analysis

Coastal Zone Management Program 2026-2030 Assessment & Strategy — Coastal Zone Management Program 2026-2030 Assessment & Strategy

Pangborn Memorial Airport, Wenatchee — Notice of Availability, Wastewater Discharge Permit Application

Proposed funding list for 2026 Water Quality Grants — Water Quality grant & loan funding

Marine Spill Response Corporation, Significant Equipment Change — Primary Response Contractor Application

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

Informal Public Feedback Period — Sand and Gravel General Permit

Harris Avenue Shipyard cleanup site, Bellingham — Comment on a legal agreement and cleanup plan

Pierce County Shoreline Master Program (SMP), Amendment — Public comment period

Draft NPDES water quality permit — Georgia Pacific Camas Mill

Alaska Steamship Response — Spill management team application

Chapter 363-116 WAC, Pilotage Rules, Board of Pilotage Commissioners — Informal comment period to inform draft rule language

Olympic Corrections Center Draft Permit, Forks — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Perma-Fix Northwest draft permit renewal — Perma-Fix Northwest draft permit renewal

Draft Supplemental Environmental Impact Statement — Perma-Fix Northwest draft permit renewal

Comment on linkage agreement — Cap-and-Invest linkage

Organics management, Chapter 173-350 WAC — Rulemaking public comments

Formaldehyde in Cosmetics Rulemaking — Comment on the proposed rule and rulemaking documents

Open comment periods:

Closing date:

Central Manufacturing stationary asphalt plant, Moses Lake — Air quality application for general order coverage – Opportunity to request a public comment period

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

Cedar Creek Corrections Center, Wastewater Treatment Plant Permit Modification — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Roosevelt Regional Landfill leachate pond, Roosevelt — Air quality notice of construction application – Opportunity to request a public comment period

Roosevelt Regional Landfill, Roosevelt — Air quality notice of construction application – Opportunity to request a public comment period

Snow & Sons Produce Co., Notice of Availability of State Waste Discharge Permit Application — Wastewater Discharge Permit - State Waste Discharge Permit

Western Port Angeles Harbor cleanup — Comment on cleanup documents

TOC Facility 01 176 Cleanup, Mountlake Terrace — Draft Prospective Purchaser Consent Decree

Puget Sound Energy generating station, Goldendale — Air quality notice of construction application – Opportunity to request a public comment period

Louisiana Pacific Corp, Tacoma — Comment on periodic review of this cleanup site

Tidewater Fuel Line Leak, Pasco — Draft periodic review of this cleanup site

Kinder Morgan Harbor Island Terminal, Seattle — Spill Prevention Plan

ALBAR Industrial Minerals, Colville — Air quality notice of construction rescission order – Opportunity to request a public comment period

Dynamic Food Ingredients, MP EROH, Moses Lake — Air quality notice of construction rescission order – Opportunity to request a public comment period

Microsoft Columbia Data Center, Quincy — Air quality notice of construction application

Group14 BAM-2, Moses Lake — Air quality notice of construction application – Opportunity to request a public comment period

Open public comment period — Lower Snake River water supply replacement study

Central Puget Sound — Geographic Response Plan (GRP)

Post-Consumer Recycled Content (PCRC) — Workload Analysis

Coastal Zone Management Program 2026-2030 Assessment & Strategy — Coastal Zone Management Program 2026-2030 Assessment & Strategy

Pangborn Memorial Airport, Wenatchee — Notice of Availability, Wastewater Discharge Permit Application

Proposed funding list for 2026 Water Quality Grants — Water Quality grant & loan funding

Marine Spill Response Corporation, Significant Equipment Change — Primary Response Contractor Application

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

Informal Public Feedback Period — Sand and Gravel General Permit

Harris Avenue Shipyard cleanup site, Bellingham — Comment on a legal agreement and cleanup plan

Pierce County Shoreline Master Program (SMP), Amendment — Public comment period

Draft NPDES water quality permit — Georgia Pacific Camas Mill

Alaska Steamship Response — Spill management team application

Chapter 363-116 WAC, Pilotage Rules, Board of Pilotage Commissioners — Informal comment period to inform draft rule language

Olympic Corrections Center Draft Permit, Forks — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Perma-Fix Northwest draft permit renewal — Perma-Fix Northwest draft permit renewal

Draft Supplemental Environmental Impact Statement — Perma-Fix Northwest draft permit renewal

Comment on linkage agreement — Cap-and-Invest linkage

Organics management, Chapter 173-350 WAC — Rulemaking public comments

Formaldehyde in Cosmetics Rulemaking — Comment on the proposed rule and rulemaking documents

2026 draft offer list, informational meeting - Water quality grant & loan funding

Meetings & Hearings

Online webinar Join Online

Start: 1 p.m.

Learn about the state fiscal year 2026 (SFY26) draft funding offer list and intended use plan (draft list).

> See event details

Open comment periods:

Closing date:

Cedar Creek Corrections Center, Wastewater Treatment Plant Permit Modification — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Roosevelt Regional Landfill leachate pond, Roosevelt — Air quality notice of construction application – Opportunity to request a public comment period

Roosevelt Regional Landfill, Roosevelt — Air quality notice of construction application – Opportunity to request a public comment period

Snow & Sons Produce Co., Notice of Availability of State Waste Discharge Permit Application — Wastewater Discharge Permit - State Waste Discharge Permit

Western Port Angeles Harbor cleanup — Comment on cleanup documents

TOC Facility 01 176 Cleanup, Mountlake Terrace — Draft Prospective Purchaser Consent Decree

Puget Sound Energy generating station, Goldendale — Air quality notice of construction application – Opportunity to request a public comment period

Louisiana Pacific Corp, Tacoma — Comment on periodic review of this cleanup site

Tidewater Fuel Line Leak, Pasco — Draft periodic review of this cleanup site

Kinder Morgan Harbor Island Terminal, Seattle — Spill Prevention Plan

ALBAR Industrial Minerals, Colville — Air quality notice of construction rescission order – Opportunity to request a public comment period

Dynamic Food Ingredients, MP EROH, Moses Lake — Air quality notice of construction rescission order – Opportunity to request a public comment period

Microsoft Columbia Data Center, Quincy — Air quality notice of construction application

Group14 BAM-2, Moses Lake — Air quality notice of construction application – Opportunity to request a public comment period

Open public comment period — Lower Snake River water supply replacement study

Central Puget Sound — Geographic Response Plan (GRP)

Post-Consumer Recycled Content (PCRC) — Workload Analysis

Coastal Zone Management Program 2026-2030 Assessment & Strategy — Coastal Zone Management Program 2026-2030 Assessment & Strategy

Pangborn Memorial Airport, Wenatchee — Notice of Availability, Wastewater Discharge Permit Application

Proposed funding list for 2026 Water Quality Grants — Water Quality grant & loan funding

Marine Spill Response Corporation, Significant Equipment Change — Primary Response Contractor Application

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

Informal Public Feedback Period — Sand and Gravel General Permit

Harris Avenue Shipyard cleanup site, Bellingham — Comment on a legal agreement and cleanup plan

Pierce County Shoreline Master Program (SMP), Amendment — Public comment period

Draft NPDES water quality permit — Georgia Pacific Camas Mill

Alaska Steamship Response — Spill management team application

Chapter 363-116 WAC, Pilotage Rules, Board of Pilotage Commissioners — Informal comment period to inform draft rule language

Olympic Corrections Center Draft Permit, Forks — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Perma-Fix Northwest draft permit renewal — Perma-Fix Northwest draft permit renewal

Draft Supplemental Environmental Impact Statement — Perma-Fix Northwest draft permit renewal

Comment on linkage agreement — Cap-and-Invest linkage

Organics management, Chapter 173-350 WAC — Rulemaking public comments

Formaldehyde in Cosmetics Rulemaking — Comment on the proposed rule and rulemaking documents

Open comment periods:

Closing date:

Snow & Sons Produce Co., Notice of Availability of State Waste Discharge Permit Application — Wastewater Discharge Permit - State Waste Discharge Permit

Western Port Angeles Harbor cleanup — Comment on cleanup documents

TOC Facility 01 176 Cleanup, Mountlake Terrace — Draft Prospective Purchaser Consent Decree

Puget Sound Energy generating station, Goldendale — Air quality notice of construction application – Opportunity to request a public comment period

Louisiana Pacific Corp, Tacoma — Comment on periodic review of this cleanup site

Tidewater Fuel Line Leak, Pasco — Draft periodic review of this cleanup site

Kinder Morgan Harbor Island Terminal, Seattle — Spill Prevention Plan

ALBAR Industrial Minerals, Colville — Air quality notice of construction rescission order – Opportunity to request a public comment period

Dynamic Food Ingredients, MP EROH, Moses Lake — Air quality notice of construction rescission order – Opportunity to request a public comment period

Microsoft Columbia Data Center, Quincy — Air quality notice of construction application

Group14 BAM-2, Moses Lake — Air quality notice of construction application – Opportunity to request a public comment period

Open public comment period — Lower Snake River water supply replacement study

Central Puget Sound — Geographic Response Plan (GRP)

Post-Consumer Recycled Content (PCRC) — Workload Analysis

Coastal Zone Management Program 2026-2030 Assessment & Strategy — Coastal Zone Management Program 2026-2030 Assessment & Strategy

Pangborn Memorial Airport, Wenatchee — Notice of Availability, Wastewater Discharge Permit Application

Proposed funding list for 2026 Water Quality Grants — Water Quality grant & loan funding

Marine Spill Response Corporation, Significant Equipment Change — Primary Response Contractor Application

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

Informal Public Feedback Period — Sand and Gravel General Permit

Harris Avenue Shipyard cleanup site, Bellingham — Comment on a legal agreement and cleanup plan

Pierce County Shoreline Master Program (SMP), Amendment — Public comment period

Draft NPDES water quality permit — Georgia Pacific Camas Mill

Alaska Steamship Response — Spill management team application

Chapter 363-116 WAC, Pilotage Rules, Board of Pilotage Commissioners — Informal comment period to inform draft rule language

Olympic Corrections Center Draft Permit, Forks — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Perma-Fix Northwest draft permit renewal — Perma-Fix Northwest draft permit renewal

Draft Supplemental Environmental Impact Statement — Perma-Fix Northwest draft permit renewal

Comment on linkage agreement — Cap-and-Invest linkage

Organics management, Chapter 173-350 WAC — Rulemaking public comments

Formaldehyde in Cosmetics Rulemaking — Comment on the proposed rule and rulemaking documents