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

Lights & lamps

Fluorescent lights and some other types of lights and lamps contain toxic chemicals that fall under the dangerous waste regulations. Businesses can choose to manage their lights and lamps as universal ...
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

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

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

SEPA guidance

The following links provide information about important SEPA subjects. This information is presented to help agencies, applicants, and the public fully understand and participate in procedural ...
agr.wa.gov

Clean energy coordination

To help foster Washington’s transition to generating power and electricity using renewable energy sources such as solar and onshore wind, we are leading efforts to make the siting and permitting ...
agr.wa.gov

About Padilla Bay

Padilla Bay is an estuary in Puget Sound at the saltwater edge of the Skagit River delta. It is about eight miles long north to south, and three miles across. In 1980, this bay was selected to be ...
agr.wa.gov

Orders, penalties, and settlements

Orders are administrative enforcement documents issued by Ecology that describe violations of the Hazardous Waste Management Act (chapter 70.105 RCW), and/or the Dangerous Waste Regulations (chapter ...