Washington State Department of Ecology

A consciously magical guide to a safer Halloween

Practical guidance for Halloween costumes, makeup, and jewelry that aligns with Safer Products for Washington, the Toxic Free ...
Washington State Department of Ecology

Continuing to track residential sewer and stormwater rates

In 2024, we launched Ecology’s Utility Rates Dashboard to help people understand utility rates across Washington.
Washington State Department of Ecology

Boeing Developmental Center (BDC) public meeting

We’re hosting an in-person public meeting about the Boeing Developmental Center (BDC), located at 9725 E. Marginal Way S. in Tukwila, WA. Please join us to learn more and ask questions about the ...
agr.wa.gov

Capturing carbon while capturing asbestos

Construction of the central sediment repository is underway at the Swift Creek project (September 2026). Arca de-carbonization demo at Swift Creek with the slow-moving landslide on Sumas Mountain in ...
agr.wa.gov

Phase I Municipal Stormwater Permit

We develop and administer Clean Water Act National Pollutant Discharge Elimination System (NPDES) municipal stormwater permits in Washington. The Phase I Municipal Stormwater Permit requires local ...
agr.wa.gov

Municipal stormwater general permits

Municipal stormwater general permits regulate discharges from municipal stormwater systems. These drainage systems are separated from sanitary sewer systems and are owned or operated by cities, ...
agr.wa.gov

Public Participation Grants

Public Participation Grants (PPG) provide up to $60,000 per year to individuals and nonprofit organizations to increase public understanding and involvement in cleaning up contaminated sites and ...
agr.wa.gov

Hanford Sitewide Permit Revision 9A

We are launching a public comment on the draft renewal of the Hanford Sitewide Permit – one of our most important tools for ensuring Hanford’s cleanup supports our mission of preserving clean land, ...
agr.wa.gov

SeaPort Sound Terminal

With about 60 employees, this petroleum product tank farm stores and transports asphalt, distillate oil, diesel, biodiesel, ethanol, and industrial oil. The current volume of tankage at this facility ...
agr.wa.gov

Deschutes Estuary Restoration Project

Ecology and the Department of Enterprise Services (DES) prepared a Draft Supplemental Environmental Impact Statement (SEIS). This Draft SEIS evaluates the potential environmental impacts of updated ...
agr.wa.gov

Water rights

Waters of the state belong to the public and can't be owned by any individual or group. Instead, a person or group may be granted a right to use a volume of water, for a defined purpose, in a specific ...