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 ...

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 ...

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 ...

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 ...

The dangerous waste annual report is a combination of required forms and other documents that summarize a business’s dangerous waste activities in Washington. All sites with an active EPA/State ID ...

First, you’ll need to create a Secure Access Washington (SAW) account, unless you already have one). Go to https://secureaccess.wa.gov. Create a Secure Access Washington (SAW) account, or login in if ...

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 ...

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 ...

SEPA guidance for determining lead agency and evaluating the proposal. Under the State Environmental Policy Act (SEPA), most new proposals are reviewed by a designated “lead agency.” While this is ...

Ecology began a centrally coordinated unmanned aerial systems (UAS), or drone program, in early 2022 to provide guidance and oversight for diverse data collection needs. The program supports ...

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 - ...