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 ...

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 ...

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

Refer to the 2018 updated TAPE Process Overview for everything you need to know about how we evaluate your technology. We also accept applications to the Chemical Technology Assessment Protocol – ...

The Washington Department of Ecology issued a $120,000 penalty to Christopher Whiteman and Victoria Coury for failing to repair damage to wetlands in unincorporated Island County, about eight miles ...

Arsenic in playground soil or leaking chemicals in a solid waste landfill are examples of toxic contamination. Cleanups remove toxic chemicals from the environment, or contain them so they can't harm ...

We are leading efforts to control sources of pollution from the drainage area surrounding the Lower Duwamish Waterway (LDW) Superfund site. The U.S. Environmental Protection Agency (EPA) oversees ...

We monitor water quality at nearly 100 river and stream stations throughout the state to understand the health of waterways. Our science offers residents and policymakers credible data to make ...

Use a litter bag while traveling to keep your vehicle tidy and reduce the chances of littering accidentally when you open a door or window. Every year, almost 38 million pounds of litter is dropped on ...

Many businesses in Washington generate some type of dangerous waste — waste that is harmful to human health and the environment. Businesses must follow the Dangerous Waste Regulations to ensure they ...