We're updating requirements for protecting water quality when washing and maintaining bridges and ferry terminals.

“Cosmetics that retailers and salons in Washington received in 2025 should already meet the new restrictions in the law, but older stock might not,” Franjevic said. “The close of the sell-through ...

(Information on this site is considered to be accurate at the time of posting, but is subject to change as new information becomes available.) Washington Dept. of Ecology and U.S. Coast Guard are ...

Commercial and industrial businesses that emit large amounts of air pollution must get an air operating permit. An air operating permit is a master document that lists all of the air pollution ...

Due in part to the May 23, 2013, collapse of the Skagit River Bridge, the Washington State Department of Transportation (WSDOT) and local governments developed a robust schedule to inspect and repair ...

Coho salmon returning to rivers and streams often die before they can spawn. Photo by Roger Tabor, US Fish and Wildlife For over 20 years, scientists faced a toxic mystery: coho salmon returning to ...

The 2021 plastics law will reduce the use of covered single-use plastics. This law aims to reduce the production of new plastic and drive the development of new markets for Washington’s recyclable ...

We adopted changes to chapter 173-201A Water Quality Standards for Surface Waters of the State of Washington. In response to nominations we received in 2021, and after considering public comments and ...

Ecology is starting the rulemaking process to amend Chapters 173-18, -20, -22, -26, and -27 under the Shoreline Management Act. Add requirements for local governments to address the impact of sea ...

There have been recent news stories about a supposed slump in the transition to zero-emission transportation—that growth in electric vehicle (EV) sales has leveled off and manufacturers are scaling ...

State Route 112 faces numerous climate-related threats. Photo courtesy Washington State Department of Transportation. Washington’s coastlines might be considered the canary in the coal mine for the ...

PFAS can be found in cleaning products and waxes as well as other products that resist water, heat, oil, stains, and grease. What are these "forever chemicals" that you’ve been hearing so much about?