Discharges of excess nutrients — particularly nitrogen — to the Puget Sound from public domestic wastewater treatment plants (WWTPs) are contributing to existing low oxygen levels in the Puget Sound ...

For more than a year, we have been working with Tribes, local governments, state agencies, and the public to help us update ...

Ecology's previous round of Prevent Nonattainment grants helped agencies in Okanogan County improve air quality to meet ...

We're looking into harmful chemicals in everyday products – like paints and nail polish – and researching safer alternatives.

We work to safely manage solid, hazardous, and nuclear waste and reduce toxic chemicals in the products you use. We regulate the threats found in everyday household products and help businesses ...

Reminding people about the dangers of wildfire smoke has been a key part of Moses’s outreach work. She emphasizes the health ...

We invite you to review and comment on documents, and attend an open house about the Rayonier Mill cleanup site on the shores ...

Things are heating up in the PNW, and with the excitement of warm weather comes the threat of wildfires. Cities across the ...

Portions of the Cap-and-Invest allowance budget are set aside for specific uses in holding accounts, or “reserve accounts,” maintained by Ecology. Allowances may be sold, allocated, or retired from ...

We manage the State Environmental Policy Act (SEPA) on behalf of local governments and state agencies in Washington. This summary is designed to answer frequently asked questions about SEPA. A: ...

We work with local clean air agencies and communities with air quality issues to make sure specific areas keep meeting national air quality standards. These Maintenance State Implementation Plans ...

With expansive farmland across the state, Washington is home to one of the most productive agricultural industries in America. The industry brings vital employment and economic benefit to communities ...