The international theme “Invest In Our Planet” highlights the importance of dedicating our time, resources, and energy to solving climate change and other environmental issues. Investing in the planet ...

We conduct State Environmental Policy Act (SEPA) reviews for some proposed rule amendments, programs, toxic cleanup actions, various minor projects, and a few major projects such as energy ...

More than 60 percent of water pollution comes from things like cars leaking oil, fertilizers and pesticides from farms and gardens, failing septic tanks, pet waste, and fuel spills from recreational ...

We provide a wide variety of educational classes and trainings. We also offer ideas and opportunities for you to get involved in protecting the environment at home and in your community.

Our robust quality assurance, or QA, system gives confidence in our regulatory and scientific decisions. We rely on quality assurance policies, guidance, and requirements to monitor, improve, and ...

Roughly 70% of our agency's budget is passed through to communities, primarily through grants and loans. We also provide direct services, such as scientific data and research, and environmental ...

In Washington, we have a powerful law that helps state and local agencies identify potential environmental impacts that might result from proposed projects and decisions. This law is called the State ...

Vehicle pollutants harm our health and contain greenhouse gases that cause climate change. Burning gasoline and diesel fuel creates harmful byproducts like nitrogen dioxide, carbon monoxide, ...

We reached an initial settlement agreement with Bridge Point Tacoma for $8.95 million that will be used to reduce air quality impacts to communities near the company’s proposed warehouse development ...

The Washington Department of Ecology is proposing changes to many of the fees for the 6,500 water quality permits the agency issues statewide. Included in the proposal are changes intended to minimize ...

We invite comments on the Wastewater Operator Certification Program Draft Fees. We are not proposing any changes to the operator certification fees for the next two years. This is based on the ...

We are accepting comments on the draft methods document that provides the information and process we must follow to calculate site-specific natural conditions criteria. The hearing will begin with a ...