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

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 ...

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.

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 ...

Tugboats. Street sweepers. Freight switchers. Ambulances. Box trucks. All of these vehicles typically run on diesel engines that produce harmful exhaust. But there is cleaner technology available, and ...

The Wenatchee area continues to see some smoke impacts from the Labor Mountain Fire, but recent rain and cooler weather mean wildfire season is winding down. It's a good time to look back at this year ...

As the fall rains return to Washington, it’s easy to forget that we just exited one of the warmest summers in our state’s recorded history. June to August of 2025 was, according to the Washington ...

Firefighting foams like those pictured will be collected at fire departments across the state. Ecology is partnering with fire departments across the state to help protect firefighters from exposure ...

Public meetings, like one held by a grant partner in Ellensburg, are an essential tool to develop community support for air pollution reduction projects. Amid robust demand, we awarded $10 million ...

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 ...

This week, Washington became the first state in the nation to adopt broad restrictions on more than two dozen chemicals used in cosmetic products that can release formaldehyde. Formaldehyde and ...

Like other airports in Washington and across the nation, Paine Field Airport is addressing per- and poly-fluoroalkyl (PFAS) contamination from decades of activities that involved their use. Known as ...