Ecology, local clean air agencies, and Tribes can restrict indoor and outdoor burning under certain conditions. Air quality burn bans protect people when the air is unhealthy. Fire safety burn bans ...

Looking for a service provider? Here is a excel spreadsheet that lists certified UST service providers.This list is updated quarterly. Disclaimer: We do not assume any liability for the accuracy or ...

Agricultural runoff can pollute lakes, rivers, and marine beaches. It can also contaminate groundwater. Landowners can prevent runoff by using best practices that keep soil and other pollution out of ...

In 2024, Washington adopted the Cookware Containing Lead law (Chapter 70A.565 RCW) to prohibit the sale of cookware containing lead in Washington. As of January 1, 2026: No manufacturer may make, sell ...

Ecology forecasts the amount of revenue we expect auctions to generate. The Legislature uses those forecasts to designate specific amounts of money for specific purposes through the appropriations ...

Water banks make water available for new uses in areas where existing water supplies are fully allocated. In Washington, water banks provide mitigation for those new uses by setting aside an existing ...

In partnership with the state Department of Commerce, we are leading a group of state agencies to identify actions to improve siting and permitting of clean energy projects in Washington. The council ...

Hasa receives sodium hypochlorite (bleach) in bulk tank trucks, off-loads it to bulk storage tanks, and repackages it into 1-gallon bottles for shipment. It sends wastewater to the Nippon Dynawave ...

Anaerobic digestion is the process through which organic materials break down in the absence of oxygen. Composting is the break down of the material with oxygen. Anaerobic digestion produces gas - ...

We work to reduce diesel pollution. Diesel exhaust puts healthy people at risk for asthma and respiratory illnesses. For other people, it can make their existing heart and lung diseases worse. Diesel ...

Cleaning up contamination can mean removing contaminated material from the site and storing it in a special landfill, treating it until it’s no longer harmful, or isolating it so it can’t affect human ...

Recycles old corrugated containers and mixed paper to make up to 840 tons each day of linerboard, corrugated medium, and bag grade paper. Treats its wastewater and stormwater and sends it to the ...