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More Ecology activities:

Draft 2026 BOMA map

Comment Period: May 15, 2025, 8 a.m. - June 15, 2025, 11:59 p.m.
Business Organics Management Areas

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.

Draft Nonpoint plan

Comment Period: May 22, 2025, 12 a.m. - Aug. 29, 2025, 11:59 p.m.
We are currently accepting comments on the draft Nonpoint Plan.

Greenwood Mushrooms Sunnyside I.A. LLC

Comment Period: April 16, 2025, 12 a.m. - July 5, 2025, 12 a.m.
We invite you to comment on State Waste Discharge Permit Application for Greenwood Mushrooms - Sunnyside I.A. LLC, Permit No. ST0501370.

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

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

Sila Nanotechnologies, Moses Lake

Comment Period: May 27, 2025, 12 a.m. - June 11, 2025, 11:59 p.m.
We propose to approve Sila Nanotechnologies' air quality notice of construction (NOC) application. We will hold a public comment period if one is requested.

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

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.

Specialty Minerals Longview

Comment Period: May 27, 2025, 12 a.m. - July 1, 2025, 11:59 p.m.
Specialty Minerals Longview