On a sunny July afternoon, Gov. Jay Inslee visited Tukwila Park to learn about our Washington Conservation Corps, one of the ...

As part of our ongoing effort to reduce exposure to PFAS in consumer products, we’re conducting a new rulemaking under the ...

SepticSmart Week is an annual event that occurs the third week of September, and is a great reminder to do a check up on your ...

A community's cultural and historic resources tell the distinct story of its past. From lumber mills to schools, sacred landscapes to archeological sites, rustic cabins to office towers, these ...

The Washington Department of Ecology is proposing to adopt the federal water pollution limits intended to protect human health – formally adding the existing federal limits into state rules. This ...

For the past few summers, neighbors along French Creek in Snohomish County have been noticing an unusual orange hue in the ...

The following templates are based on applicable SEPA rule sections and other guidance materials. Lead agencies are encouraged to modify these templates for their own use and add information for ...

Low Impact Development (LID) is a stormwater and land-use management strategy that tries to mimic natural hydrologic conditions by emphasizing the following techniques: Conservation Use of on-site ...

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 ...

Comment on the study outlining cleanup options for the remaining contamination at the Unocal Edmonds cleanup site ...

We partner with local city and county organizations to provide pollution prevention assistance (PPA) to businesses and organizations in their community. Click the video to learn how PPA can help your ...

Clean diesel grants will reduce greenhouse gases and protect people from toxic diesel emissions. This grant's primary purpose is to electrify school buses. It also supports reducing idling and ...