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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Don’t get shut off!

In dry years like this one, Yakima Basin cabin and camp owners that rely on surface water often have access to that water shut off. If you own one of these properties, we have a plan to help.

PFAS en el agua potable de East Selah

Asiste a una reunión con la comunidad de East Selah el 25 de agosto para escuchar las últimas novedades y hablar con tomadores de decisiones que pueden ayudar.

PFAS in East Selah drinking water

Join Ecology Director Casey Sixkiller for an update and community feedback session about PFAS contamination in East Selah.

Improving air quality and a landfill in Okanogan County

Ecology's previous round of Prevent Nonattainment grants helped agencies in Okanogan County improve air quality to meet national air quality standards.

Every day is Earth Day

For Ecology, Earth Day is more than just one day a year — it’s our mission every day.

Expedited rulemaking to amend state floodplain rules

Ecology using state expedited rulemaking process to amend state floodplain management rules

New innovative program prevents Columbia River drought shutoffs

Almost 400 water right holders are at risk of having their water shut off in the next Columbia River drought. If you’re one of them, help us prevent that and get you the water you need.

Yakima Basin water supply update

The Yakima Basin has had back-to-back droughts in 2023 and 2024. Heading into irrigation season, we are getting a better idea of 2025 conditions and their impacts on the basin.

Celebrating a legacy: Office of Columbia River Director Tom Tebb embarks on retirement

Tom Tebb is retiring from Ecology after 33 years of service. Let's look back on his remarkable career and lifelong commitment to Washington state and the environment.

Grants up to $120,000 educate neighbors about local environmental projects

In January, Ecology will begin accepting applications for grants for projects that increase public understanding and involvement in cleaning up contaminated sites.