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West of 4th 2025 Public Comment Period

Due: Oct 24, 2025 11:59 PM (US/Pacific)

Comment Now

Type: N/A Status: Open for Comment Division: Hazardous Waste and Toxics Reduction County: King

Van Stone Mine N. Pit Lake dam removal: Comment period 8/21-10/24/25

Due: Oct 24, 2025 11:59 PM (US/Pacific)

View Comments Site Information / Documents Comment Now

Type: N/A Status: Open for Comment Division: Toxics Cleanup Program County: Stevens

Formal Public Comment Period -- Draft 2026 Aquatic Plant and Algae Management General Permit

Due: Oct 24, 2025 11:59 PM (US/Pacific)

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Type: Permit Status: Open for Comment Division: Water Quality Program County: N/A

Air Quality Program Plan 2025-27

Due: Oct 27, 2025 12:00 AM (US/Pacific)

Read comments Comment Now

Type: N/A Status: Open for Comment Division: Air Quality County: N/A

Cap-and-Invest Program Updates and Linkage Rulemaking Informal Comment Period

Due: Oct 31, 2025 11:59 PM (US/Pacific)

View Comments Comment Now

Type: N/A Status: Open for Comment Division: Climate Pollution Reduction County: N/A

ZEVergreen State Dialogue Sessions

Due: Oct 31, 2025 11:59 PM (US/Pacific)

View Comments Comment Now

Type: N/A Status: Open for Comment Division: Climate Pollution Reduction County: N/A

Environmental Performance Demonstration Testing Class 2 permit modification

Due: Nov 01, 2025 11:59 PM (US/Pacific)

See comments Review documents Comment Now

Type: Permit Status: Open for Comment Division: Nuclear Waste Program County: N/A

Scoping for Sustainable Aviation Fuel Programmatic Environmental Impact Statement

Due: Nov 05, 2025 11:59 PM (US/Pacific)

View submitted comments Comment Now

Type: N/A Status: Open for Comment Division: Shorelands and Environmental Assistance County: N/A

Phillips 66 Ferndale Refinery - Prevention Plan - Formal public comment period

Due: Nov 06, 2025 05:05 PM (US/Pacific)

View Comments Phillips 66 Ferndale Refinery Plan Comment Now

Type: N/A Status: Open for Comment Division: Spill Prevention Preparedness and Response County: N/A

DeBocks Main Street Texaco Remedial Investigation Work Plan

Due: Nov 10, 2025 11:59 PM (US/Pacific)

DeBocks Main Street Texaco Cleanup Site Info Comment Now

Type: N/A Status: Open for Comment Division: Toxics Cleanup Program County: Yakima

Naval Radio Station Jim Creek NPDES 401 certification

Due: Nov 14, 2025 12:00 AM (US/Pacific)

View comments Comment Now

Type: N/A Status: Open for Comment Division: Water Quality Program County: Snohomish

Teck Washington Inc. Permit & Comment Period 10/15/2025 - 11/14/2025

Due: Nov 14, 2025 11:59 PM (US/Pacific)

View Draft Documents Comment Now

Type: N/A Status: Open for Comment Division: Water Quality Program County: Pend Oreille

Crescent Bar Wastewater Treatment Facility Permit & Comment Period 10/15/2025 - 11/14/2025

Due: Nov 14, 2025 11:59 PM (US/Pacific)

View Draft Documents Comment Now

Type: Permit Status: Open for Comment Division: Water Quality Program County: Grant

Voluntary Clean Water Guidance for Agriculture

Due: Nov 21, 2025 11:59 PM (US/Pacific)

View Comments View documents Comment Now

Type: N/A Status: Open for Comment Division: Water Quality Program County: N/A

Microsoft EAT02-09 Data Center Campus

Due: Nov 29, 2025 12:00 AM (US/Pacific)

Public PARIS Comment Now

Type: Permit Status: Open for Comment Division: Water Quality Program County: Douglas

Columbia & Snake River Temperature TMDL Implementation Plan Public Survey

Due: Nov 30, 2025 12:00 AM (US/Pacific)

View Comments View Region Map Comment Now

Type: N/A Status: Open for Comment Division: Water Quality Program County: N/A

2025 TMDL Prioritization Webinar

Due: Dec 01, 2025 11:59 PM (US/Pacific)

View Comments Comment Now

Type: N/A Status: Open for Comment Division: Water Quality Program County: N/A

CyrusOne Data Center public comment period: October 21, 2025, 12 a.m. - December 1, 2025, 11:59 p.m.

Due: Dec 01, 2025 11:59 PM (US/Pacific)

Read Comments Read project documents Comment Now

Type: Permit Status: Open for Comment Division: Air Quality County: Grant

Proposed Milestones and Approach Towards Final Cleanup

Due: Dec 05, 2025 11:59 PM (US/Pacific)

See comments Comment Now

Type: N/A Status: Open for Comment Division: Nuclear Waste Program County: N/A

Policy update: Consumptive and Non-Consumptive Water Use Policy (POL-1020)

Due: Dec 05, 2025 11:59 PM (US/Pacific)

Read the draft Comment Now

Type: N/A Status: Open for Comment Division: Water Resources County: N/A

Policy update: Development Schedules for Water Right Changes and Transfers Policy (POL-1280)

Due: Dec 05, 2025 11:59 PM (US/Pacific)

Policy draft Comment Now

Type: N/A Status: Open for Comment Division: Water Resources County: N/A

Clean Earth Washougal public comment period

Due: Dec 06, 2025 11:59 PM (US/Pacific)

View comments Comment Now

Type: N/A Status: Open for Comment Division: Hazardous Waste and Toxics Reduction County: N/A

EFR HQ IVES Cleanup Site

Due: Dec 22, 2025 11:59 PM (US/Pacific)

View Comments View website for documents Comment Now

Type: N/A Status: Open for Comment Division: Toxics Cleanup Program County: N/A

LDW Office Hours Survey

Due: Dec 31, 2025 12:00 AM (US/Pacific)

Comment Now

Type: N/A Status: Open for Comment Division: Toxics Cleanup Program County: N/A

Affiliated Tribes of Northwest Indians

Due: Dec 31, 2025 12:00 AM (US/Pacific)

Comment Now

Type: Survey Status: Open for Comment Division: Water Quality Program County: N/A

Chehalis Basin Strategy

Due: May 01, 2026 12:00 AM (US/Pacific)

Comment Now

Type: N/A Status: Open for Comment Division: Office of Chehalis Basin County: N/A

Chehalis Basin Strategy

Due: May 01, 2026 12:00 AM (US/Pacific)

Comment Now

Type: N/A Status: Open for Comment Division: Office of Chehalis Basin County: N/A

Water Right Documents - Ecology Central Region Office

Due: Jun 30, 2026 11:59 PM (US/Pacific)

WR public posting webpage (opens in new tab) Comment Now

Type: N/A Status: Open for Comment Division: Water Resources County: N/A

Water Right Documents - Ecology Eastern Region Office

Due: Jun 30, 2026 11:59 PM (US/Pacific)

WR public posting webpage (opens in new tab) Comment Now

Type: N/A Status: Open for Comment Division: Water Resources County: N/A

Water Right Documents - Ecology Northwest Region Office

Due: Jun 30, 2026 11:59 PM (US/Pacific)

WR Public posting page Comment Now

Type: N/A Status: Open for Comment Division: Water Resources County: N/A

Water Right Documents - Ecology Southwest Region Office

Due: Jun 30, 2026 11:59 PM (US/Pacific)

WR Public posting webpage (opens in new tab) Comment Now

Type: N/A Status: Open for Comment Division: Water Resources County: N/A

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