Washington State Department of Ecology

Major habitat restoration project completed on Lower Peshastin Creek

The Lower Peshastin Creek Restoration Project cleaned up contamination, reconnected the creek to its historical channel, and ...
agr.wa.gov

Environmental report analyzes impacts of proposed Chehalis River flood reduction project

A revised draft environmental impact statement looks at the potential impacts to fish, habitat, water quality and nearby communities from a proposed project to reduce flood damage in the Chehalis ...
agr.wa.gov

Chapter 173-423 WAC – Clean Vehicles Program

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 ...
Washington State Department of Ecology

Taking steps to tackle nutrient pollution and harmful algal blooms

We are starting two rulemakings to update Washington’s water quality standards to help address freshwater nutrient pollution and the harmful, toxic algal blooms that can result from it.
agr.wa.gov

Chapter 173-201A WAC – Harmful Algal Blooms

Ecology is considering adding new freshwater recreational criteria to Chapter 173-201A WAC, Water quality standards in surface waters of the State of Washington. The criteria are for toxins produced ...
Washington State Department of Ecology

6PPD State of the Science

This event is scheduled for two days: Dec. 9 and Dec. 10, 2025 from 12 p.m. to 4 p.m. To see the time and schedule of individual speakers, here is a detailed daily agenda. The forum will follow this ...
agr.wa.gov

Bring your own bag – avoid a fee increase on store-bought bags

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 ...
Washington State Department of Ecology

Cleaning up Northport waterfront

Ecology cleaned up smelting contamination on the Columbia River public waterfront in Northport using state funding to remove ...
agr.wa.gov

An early look at geothermal energy in Washington

Geothermal energy comes from the natural heat inside the earth and can be used to generate electricity. Mountains, such as Mt. St. Helens, have been identified as having geothermal resource potential.
agr.wa.gov

Now open: Ecology's $25 million "Rails, Keels, and Wheels" grant to fund zero-emission vehicles

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 ...
agr.wa.gov

Washington continues moving forward on clean trucks

The Washington Department of Ecology has adopted changes to vehicle emission standards known as Advanced Clean Trucks and Heavy-Duty Low NOx Omnibus, which expand access to new zero-emission ...