Central Region

Ecology has four regional offices. The Central region includes Benton, Chelan, Douglas, Kittitas, Klickitat, Okanogan, and Yakima counties.
Ecology has four regional offices. The Central region includes Benton, Chelan, Douglas, Kittitas, Klickitat, Okanogan, and Yakima counties.

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Babies of the Benthos – Worm Edition
In this Critter edition, let’s dive into the “birds and the bees” of benthic worms, and the resulting faces that only a mother (or an invertebrate taxonomist) could love.
Join us for our third Let's Talk About Hanford
Tune in 5:30 p.m. Aug. 25 on Facebook or WebEx for Let's Talk About Hanford: Salmon, Stugeon, and more.
Thrills, spills, and frills: The pink tritonia takes us on a wild ride
What’s pink, white, and frilly all over? It's the pink tritonia: the walking (or in this case, crawling) embodiment of the excitement — and terror — of blossoming love.
Learn about compliance in the next Let's Talk About Hanford
Learn about what goes into inspections, compliance, and enforcement at one of the most contaminated nuclear sites in the world in the next Let's Talk About Hanford.
Federal grant moves Aberdeen levee project forward
City of Aberdeen receives $50 million federal grant and $17 million in state funding to help fund North Shore Levee project.
Ecology celebrates Zero Emissions Day!
Today, Sept. 21, 2022, is the last day of summer. What better way to mark the occasion than to celebrate something else this date symbolizes — Zero Emissions Day! 
Wenatchee’s Saddle Rock trail reopens after summer cleanup project
The Saddle Rock trail has been closed since July for cleanup of heavy metal contamination. After completing the project, Ecology and the City of Wenatchee celebrate the trail's grand reopening.
Electric trucks to join state’s clean transportation future
A federal EPA waiver granted in April 2023 means Washington can move forward with plans for zero-emission requirements for new medium- and heavy-duty trucks and clean the air.
Washington’s water supply outlook
Because of a May heatwave, state watersheds lost almost half their snowpack in just 18 days. Now summer river forecasts in some watersheds predict low flows.
We’re looking for safer alternatives to 6PPD. Here’s how you can help.
Learn more about the hazard criteria we’ll use when searching for safer alternatives to 6PPD, including how to offer feedback.