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 ...

Clean air is vital for everyone. We manage smoke, vehicle pollution, industrial emissions, and other pollutants so communities have healthy air to breathe. We do this through permits, regulations, and ...

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 ...

A new report from the Washington Department of Ecology details how $1.5 billion of Climate Commitment Act (CCA) revenue was invested in local communities during the 2023-25 biennium - the most ...

Starting Jan. 1, 2026, shoppers will pay 12 cents, up from 8 cents, for each reusable plastic bag purchased from Washington retailers and restaurants Beginning January 1, shoppers will see a 4-cent ...

This enforcement action follows the conclusion of Ecology’s investigation of the 2023 Conway spill. For questions about the ongoing response for a leak on the Olympic Pipeline that began Nov. 11, 2025 ...

To reduce the severity and duration of major and catastrophic floods that occur in the Chehalis River basin in southwest Washington, the Chehalis River Basin Flood Control Zone District (Flood ...

The Ecology Litter Corps (formerly Ecology Youth Corps) hires teens 14 –17 years old to serve on summer litter crews and provide an important service to their community. They gain valuable job skills, ...

This is the list of rules we are authorized to implement. They are sorted by topic. Each rule links to official rule language on the Washington State Legislature's Code Reviser's web site. The Office ...

Producers of residential packaging and paper products will be responsible for the end-of-life management of their products. Using funds provided by producers, the PRO will invest in recycling system ...

We provide millions of dollars of funding to improve, protect, and restore water quality across the state. We have several opportunities that vary by funding source, funding category, and type of ...