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 ...

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 ...

At Spanaway Lake, toxic algal blooms mean the lake closes for recreation to keep people safe. Ecology is starting a rulemaking to address toxins produced during harmful algal blooms in freshwater.

Ecology is considering amendments to Chapter 173-423 WAC, Washington’s Clean Vehicles Program rule. Washington law (RCW 70A.30.010) requires Ecology to adopt certain California regulations to maintain ...

We invite you to review and comment on the Chehalis River Basin SEPA revised draft environmental impact statement. We have opened a 75-day public comment period and will accept comments through Feb. 4 ...

Public comments are accepted over a 30-, 45-, or 60-day period. During that time, you can share your input with us about specific changes in the permits we regulate. We review all comments and then ...

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, ...

Washington is working to reduce greenhouse gas emissions 95% by 2050. This will help protect Washington's environment and economy from the effects of climate change.

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 ...

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 have already identified 16 areas in Washington that are overburdened and highly impacted by criteria air pollution. The places are a mix of urban, suburban, and rural. They vary in population, from ...