The Pend Oreille Mine, located in northeast Washington approximately two miles north of Metaline Falls, began underground mining for lead and zinc in 1952. The mine operated intermittently and was ...

Over half the water use inside a home takes place in the bathroom. Use a leak-free, high efficiency toilet, and use a wastebasket, not a toilet, for trash. Toilets are by far the main source of water ...

Ecology is at work statewide to protect your air, water and quality of life. Learn more about our regional work.

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 ...

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 ...

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, ...

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 ...

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.

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 ...

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 ...