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Businesses in Washington are often befuddled by all the hazardous waste requirements they face, but our Pollution Prevention Assistance program is here to help.

The majority of chemicals that seep into peoples' bodies and the environment come from the products we use every day, which is why Ecology created the Product Replacement Program.

50 dry cleaning businesses across the state have switched from using toxic PERC. However, approximately 60 are still operating.

After nearly a century of manufacturing dangerous toxic chemicals, a new perspective in the field has emerged called "Green Chemistry."

Zelma Maine Jackson retired recently after dedicating 25 years working as a hydrogeologist for the Nuclear Waste Program. She’s just one of the people who have made our mission possible.​​

For Ecology’s 50th anniversary, we are celebrating our municipal stormwater permit program – an example of hard work, partnership, and science coming together to make Washington better.

Lean/Green manufacturers have a more streamlined operation with less impact on the environment. Listen to the Lean/Green Program's Hugh O'Neill talk about how it can help a business's bottom line.

Ecology has made some changes in light of COVID-19, but we’re still protecting human health and the environment. In fact, we’re now conducting virtual inspections of our regulated communities.

A main goal of the water conservation element of the Yakima Integrated Plan is to modernize agricultural water systems to reduce waste from leaks, seepage, and inefficient delivery methods.

We're taking comments on studies of contamination and cleanup alternatives for exterior walls and adjacent soil at the former Anacortes water treatment plant at Mount Vernon.