Public comments are accepted over a 30-, 45-, or 60-day period. During that time, you can share your input with us about specific changes in the permits we regulate. We review all comments and then ...

There are sites on our Contaminated Sites List that we know have Per- and polyfluoroalkyl substances (PFAS) contamination. Although PFAS chemicals are not manufactured in Washington, they can still be ...

This page is for information and documents specific to the 2025–27 budget. The process for developing and finalizing a budget is iterative. Budget documents are written, summarized, and compared ...

About 700 residential properties were potentially affected by smelter contamination in the upland area. We have now completed sampling on all the properties that agreed to be sampled (more than 550).

Solar panels convert solar energy into electricity through solar cells (also known as photovoltaic cells). Solar panels sometimes contain toxic metals, which means they may designate as dangerous ...

Manufacturers in the U.S. that sell certain products in Washington can apply to receive reimbursement for the cost of getting their product(s) certified. Manufacturers that sell products in the ...

The Washington Department of Ecology fined plastic trash bag-maker Napco Bag and Film $30,000 for violating the annual registration and reporting requirements of a 2021 recycled content law. Napco’s ...

The proposed Umbrella bank is located in King County, near the city of Seattle. The mitigation bank includes three separate sites totaling approximately 60 acres. The Interagency Review Team is ...

Any individual, group, or entity that believes they have been subjected to discrimination based on disability with regard to any Ecology activity, facility, program, or service are encouraged to ...

We post lists of recent interlocal agreements, and sole source and emergency purchase procurement documents for public inspection. The documents are available through our public records request ...

Washington is home to some of the nation's most productive farmlands. The way landowners and operators manage their lands also has important impacts on water quality. We work with landowners, ...

Our team receives many questions regarding the hydrofluorocarbons (HFCs) rule, restrictions, and requirements. To best support the transition away from HFCs, we've consolidated educational resources ...