Eastern Region

Ecology has four regional offices. The Eastern region includes Adams, Asotin, Columbia, Ferry, Franklin, Garfield, Grant, Lincoln, Pend Oreille, Spokane, Stevens, Walla Walla, and Whitman counties.

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Get prepared now for dust storms
Central and Eastern Washington should take these steps to prepare for dust storms every spring through fall.
Uncertain times won't stop progress in the Walla Walla basin
Interest groups are coming together - via videoconference - to plan a long-term water strategy for the Walla Walla River Basin.
Helping communities reduce risks before floods, find solutions in the aftermath
In February, 2020, flooding brought the biggest disaster in decades to Southeast Washington. Learn how we're helping communities recover and improve their resiliency to future floods.
Feb. 23, 1970 - A step closer to Ecology's creation
On Feb. 23, 1970, Gov. Dan Evans signed into law a bill creating Washington's new Department of Ecology, set to open July 1 of that year.
Feb. 12, 1970 – a landmark day for environmental protection
On Feb. 12, we're marking the 50th anniversary of the Legislature passing the bill that created the Department of Ecology.
From crashes to drug labs: A look inside Ecology's Spill Response Program

Our Spills Program responds to spill emergencies, inspects chemical storage facilities, and cleans up a range of contaminated sites across Washington. Responder Sam Hunn gives us an inside look.

Crews safely remove, detonate dangerous chemical device

Homeowner finds poisonous theft deterrent in old safe. Ecology takes the chemicals and detonates them for safety. 

Floodplain redesign delivers downstream benefits for all
This deliberate logjam is one piece of a plan to restore a functional floodplain along a three mile stretch of the North Fork Touchet River in Southeast Washington.
Slime on river rocks is a forensics tool for environmental scientists
While most of us may not appreciate the slime that grows on river rocks, Dr. William Hobbs and his colleagues have found slime useful for investigating the sources of toxic chemicals in the water.
Looking upriver: What's next for the Walla Walla watershed?

In October, stakeholders from Washington and Oregon will refocus and build on the Walla Walla Watershed Management Partnership to create a long-term water strategy.