Public input & events — Listing

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

Vaagen Brothers Lumber, Colville — Air Operating Permit renewal

Cowlitz Food & Fuel, Toledo — Comment on agreed order and cleanup documents

North Pacific Paper Corporation — Draft National Pollutant Discharge Elimination System Permit modification

Draft workload analysis & budget for 2025–2027 — Air Operating Permits

Project Macoma - Announcement Availability of Application and of The Necessary and Overriding Public Interest Determination — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Formal Draft Comment Period — Water Treatment Plant General Permit

Greenside Construction, Buttermilk Creek — Air quality variance

Aquatic Life Toxics Criteria — WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

Draft Model Remedies for Cleanup of Inactive and Abandoned Mine Lands in Washington — Sampling and cleaning up mine-waste-contaminated soil

NuStar Energy LP — Oil Spill Contingency Plan

City of Brewster SMP Amendment — Public Comment Period

Guemes Channel Holdings LLC — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Grant County PUD No. 2-Wanapum Dam, Beverly — Air quality notice of construction application – Opportunity to request a public comment period

Microsoft Data Center, Malaga — Air quality notice of construction application

Town of Coulee Dam SMP Amendment — Public Comment Period

Intalco‑Ferndale Sulfur Dioxide Nonattainment Area Maintenance Plan — State Implementation Plan (SIP)

National Fish & Oyster Draft Permit Modification — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Holly Park, Seattle — Comment on Legal Agreement and Public Participation Plan

Union Pacific Railroad — Oil Spill Contingency Plan

Spokane International Airport PFAS site — Enforcement order and public participation plan

Comment on cleanup documents — Lower Issaquah Valley PFAS cleanup sites

U.S. Navy Keyport permit renewal — Documents available for review and comment

Administration of the Statewide Trust Water Rights Program — Review and comment: Draft policy update

Municipal Water Law Policy Revision — Review and comment: Second draft policy revision

Proposed Reporting Requirements — Climate Commitment Act Funds Reporting

Open comment periods:

Closing date:

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

Vaagen Brothers Lumber, Colville — Air Operating Permit renewal

Cowlitz Food & Fuel, Toledo — Comment on agreed order and cleanup documents

North Pacific Paper Corporation — Draft National Pollutant Discharge Elimination System Permit modification

Draft workload analysis & budget for 2025–2027 — Air Operating Permits

Project Macoma - Announcement Availability of Application and of The Necessary and Overriding Public Interest Determination — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Formal Draft Comment Period — Water Treatment Plant General Permit

Greenside Construction, Buttermilk Creek — Air quality variance

Aquatic Life Toxics Criteria — WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

Draft Model Remedies for Cleanup of Inactive and Abandoned Mine Lands in Washington — Sampling and cleaning up mine-waste-contaminated soil

NuStar Energy LP — Oil Spill Contingency Plan

City of Brewster SMP Amendment — Public Comment Period

Guemes Channel Holdings LLC — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Grant County PUD No. 2-Wanapum Dam, Beverly — Air quality notice of construction application – Opportunity to request a public comment period

Microsoft Data Center, Malaga — Air quality notice of construction application

Town of Coulee Dam SMP Amendment — Public Comment Period

Intalco‑Ferndale Sulfur Dioxide Nonattainment Area Maintenance Plan — State Implementation Plan (SIP)

National Fish & Oyster Draft Permit Modification — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Holly Park, Seattle — Comment on Legal Agreement and Public Participation Plan

Union Pacific Railroad — Oil Spill Contingency Plan

Spokane International Airport PFAS site — Enforcement order and public participation plan

Comment on cleanup documents — Lower Issaquah Valley PFAS cleanup sites

U.S. Navy Keyport permit renewal — Documents available for review and comment

Administration of the Statewide Trust Water Rights Program — Review and comment: Draft policy update

Municipal Water Law Policy Revision — Review and comment: Second draft policy revision

Proposed Reporting Requirements — Climate Commitment Act Funds Reporting

Open comment periods:

Closing date:

North Pacific Paper Corporation — Draft National Pollutant Discharge Elimination System Permit modification

Draft workload analysis & budget for 2025–2027 — Air Operating Permits

Project Macoma - Announcement Availability of Application and of The Necessary and Overriding Public Interest Determination — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Formal Draft Comment Period — Water Treatment Plant General Permit

Greenside Construction, Buttermilk Creek — Air quality variance

Aquatic Life Toxics Criteria — WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

Draft Model Remedies for Cleanup of Inactive and Abandoned Mine Lands in Washington — Sampling and cleaning up mine-waste-contaminated soil

NuStar Energy LP — Oil Spill Contingency Plan

City of Brewster SMP Amendment — Public Comment Period

Guemes Channel Holdings LLC — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Grant County PUD No. 2-Wanapum Dam, Beverly — Air quality notice of construction application – Opportunity to request a public comment period

Microsoft Data Center, Malaga — Air quality notice of construction application

Town of Coulee Dam SMP Amendment — Public Comment Period

Intalco‑Ferndale Sulfur Dioxide Nonattainment Area Maintenance Plan — State Implementation Plan (SIP)

National Fish & Oyster Draft Permit Modification — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Holly Park, Seattle — Comment on Legal Agreement and Public Participation Plan

Union Pacific Railroad — Oil Spill Contingency Plan

Spokane International Airport PFAS site — Enforcement order and public participation plan

Comment on cleanup documents — Lower Issaquah Valley PFAS cleanup sites

U.S. Navy Keyport permit renewal — Documents available for review and comment

Administration of the Statewide Trust Water Rights Program — Review and comment: Draft policy update

Municipal Water Law Policy Revision — Review and comment: Second draft policy revision

Proposed Reporting Requirements — Climate Commitment Act Funds Reporting

Open comment periods:

Closing date:

North Pacific Paper Corporation — Draft National Pollutant Discharge Elimination System Permit modification

Draft workload analysis & budget for 2025–2027 — Air Operating Permits

Project Macoma - Announcement Availability of Application and of The Necessary and Overriding Public Interest Determination — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Formal Draft Comment Period — Water Treatment Plant General Permit

Greenside Construction, Buttermilk Creek — Air quality variance

Aquatic Life Toxics Criteria — WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

Draft Model Remedies for Cleanup of Inactive and Abandoned Mine Lands in Washington — Sampling and cleaning up mine-waste-contaminated soil

NuStar Energy LP — Oil Spill Contingency Plan

City of Brewster SMP Amendment — Public Comment Period

Guemes Channel Holdings LLC — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Grant County PUD No. 2-Wanapum Dam, Beverly — Air quality notice of construction application – Opportunity to request a public comment period

Microsoft Data Center, Malaga — Air quality notice of construction application

Town of Coulee Dam SMP Amendment — Public Comment Period

Intalco‑Ferndale Sulfur Dioxide Nonattainment Area Maintenance Plan — State Implementation Plan (SIP)

National Fish & Oyster Draft Permit Modification — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Holly Park, Seattle — Comment on Legal Agreement and Public Participation Plan

Union Pacific Railroad — Oil Spill Contingency Plan

Spokane International Airport PFAS site — Enforcement order and public participation plan

Comment on cleanup documents — Lower Issaquah Valley PFAS cleanup sites

U.S. Navy Keyport permit renewal — Documents available for review and comment

Administration of the Statewide Trust Water Rights Program — Review and comment: Draft policy update

Municipal Water Law Policy Revision — Review and comment: Second draft policy revision

Proposed Reporting Requirements — Climate Commitment Act Funds Reporting

Online public meeting - Lower Issaquah Valley PFAS Cleanup Sites

Meetings & Hearings

Online only Join Online

Start: 6:30 p.m.

Please join us to learn about two PFAS cleanup sites in Issaquah.

> See event details

Open comment periods:

Closing date:

Project Macoma - Announcement Availability of Application and of The Necessary and Overriding Public Interest Determination — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Formal Draft Comment Period — Water Treatment Plant General Permit

Greenside Construction, Buttermilk Creek — Air quality variance

Aquatic Life Toxics Criteria — WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

Draft Model Remedies for Cleanup of Inactive and Abandoned Mine Lands in Washington — Sampling and cleaning up mine-waste-contaminated soil

NuStar Energy LP — Oil Spill Contingency Plan

City of Brewster SMP Amendment — Public Comment Period

Guemes Channel Holdings LLC — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Grant County PUD No. 2-Wanapum Dam, Beverly — Air quality notice of construction application – Opportunity to request a public comment period

Microsoft Data Center, Malaga — Air quality notice of construction application

Town of Coulee Dam SMP Amendment — Public Comment Period

Intalco‑Ferndale Sulfur Dioxide Nonattainment Area Maintenance Plan — State Implementation Plan (SIP)

National Fish & Oyster Draft Permit Modification — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Holly Park, Seattle — Comment on Legal Agreement and Public Participation Plan

Union Pacific Railroad — Oil Spill Contingency Plan

Spokane International Airport PFAS site — Enforcement order and public participation plan

Comment on cleanup documents — Lower Issaquah Valley PFAS cleanup sites

U.S. Navy Keyport permit renewal — Documents available for review and comment

Administration of the Statewide Trust Water Rights Program — Review and comment: Draft policy update

Municipal Water Law Policy Revision — Review and comment: Second draft policy revision

Proposed Reporting Requirements — Climate Commitment Act Funds Reporting

In-person public meeting - Lower Issaquah Valley PFAS cleanup sites

Meetings & Hearings

Issaquah, WA

Start: 6:30 p.m.

Please join us to learn about two cleanup sites in Issaquah.

> See event details

Agriculture and Water Quality Advisory Committee - Summer meeting

Meetings & Hearings

Union Gap, WA and Online Join Online

Start: 1 p.m.

We are hosting our quarterly meeting from 1 to 3:30 p.m. as a hybrid event.

> See event details

Open comment periods:

Closing date:

Formal Draft Comment Period — Water Treatment Plant General Permit

Greenside Construction, Buttermilk Creek — Air quality variance

Aquatic Life Toxics Criteria — WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

Draft Model Remedies for Cleanup of Inactive and Abandoned Mine Lands in Washington — Sampling and cleaning up mine-waste-contaminated soil

NuStar Energy LP — Oil Spill Contingency Plan

City of Brewster SMP Amendment — Public Comment Period

Guemes Channel Holdings LLC — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Grant County PUD No. 2-Wanapum Dam, Beverly — Air quality notice of construction application – Opportunity to request a public comment period

Microsoft Data Center, Malaga — Air quality notice of construction application

Town of Coulee Dam SMP Amendment — Public Comment Period

Intalco‑Ferndale Sulfur Dioxide Nonattainment Area Maintenance Plan — State Implementation Plan (SIP)

National Fish & Oyster Draft Permit Modification — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Holly Park, Seattle — Comment on Legal Agreement and Public Participation Plan

Union Pacific Railroad — Oil Spill Contingency Plan

Spokane International Airport PFAS site — Enforcement order and public participation plan

Comment on cleanup documents — Lower Issaquah Valley PFAS cleanup sites

U.S. Navy Keyport permit renewal — Documents available for review and comment

Administration of the Statewide Trust Water Rights Program — Review and comment: Draft policy update

Municipal Water Law Policy Revision — Review and comment: Second draft policy revision

Proposed Reporting Requirements — Climate Commitment Act Funds Reporting

Agriculture and Water Quality Advisory Committee - Summer meeting

Meetings & Hearings

Union Gap, WA and Online Join Online

Start: 1 p.m.

We are hosting our quarterly meeting from 1 to 3:30 p.m. as a hybrid event.

> See event details

Open comment periods:

Closing date:

Greenside Construction, Buttermilk Creek — Air quality variance

Aquatic Life Toxics Criteria — WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

Draft Model Remedies for Cleanup of Inactive and Abandoned Mine Lands in Washington — Sampling and cleaning up mine-waste-contaminated soil

NuStar Energy LP — Oil Spill Contingency Plan

City of Brewster SMP Amendment — Public Comment Period

Guemes Channel Holdings LLC — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Grant County PUD No. 2-Wanapum Dam, Beverly — Air quality notice of construction application – Opportunity to request a public comment period

Microsoft Data Center, Malaga — Air quality notice of construction application

Town of Coulee Dam SMP Amendment — Public Comment Period

Intalco‑Ferndale Sulfur Dioxide Nonattainment Area Maintenance Plan — State Implementation Plan (SIP)

National Fish & Oyster Draft Permit Modification — National Pollutant Discharge Elimination System (NPDES) Wastewater Discharge Permit

Holly Park, Seattle — Comment on Legal Agreement and Public Participation Plan

Union Pacific Railroad — Oil Spill Contingency Plan

Spokane International Airport PFAS site — Enforcement order and public participation plan

Comment on cleanup documents — Lower Issaquah Valley PFAS cleanup sites

U.S. Navy Keyport permit renewal — Documents available for review and comment

Administration of the Statewide Trust Water Rights Program — Review and comment: Draft policy update

Municipal Water Law Policy Revision — Review and comment: Second draft policy revision

Proposed Reporting Requirements — Climate Commitment Act Funds Reporting