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.
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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Supporting a drier Yakima Basin in 2024

The Yakima Basin is heading into summer with a projected 72 percent of normal water supply. Here's how we're preparing for reduced water supply and minimizing the impacts on people, fish, and farms.

Reflecting on World Water Day and protecting Washington’s freshwater resources

Celebrating World Water Day and reflecting on Ecology's role in protecting state freshwater resources

How to save money on waste disposal

Ecology's technical assistance helps a business owner designate waste and save money on disposal.

Food packaging laws seek to reduce litter and PFAS contamination

Washington has requirements for disposable and single-use food packaging.

Everyone wins when communities recycle and replace old wood stoves

The Wood Smoke Reduction Grant Program supports programs that provide financial incentives for residents to recycle or replace qualifying wood stoves with cleaner burning upgrades and alternatives. 

Safer cosmetics are coming to a store near you. Here’s what’s happening and why it matters

Starting January 1, 2025, TFCA will restrict the manufacture, distribution, and sale of cosmetic products that contain certain toxic chemicals within Washington.

Cleaning up: Pasco Landfill entering the final phase

The final phase of cleanup began at the Pasco Landfill. Contaminated soil in Zone A that remains after removing about 35,000 drums of hazardous waste will be treated.

New paper about Contaminants of Emerging Concern in wastewater

New review paper gathers studies about Contaminants of Emerging Concern (CECs) entering Washington water

Drought update: water supply in the Yakima Basin and what it means for you

If you live in the Yakima Basin, you know things are looking hot and dry with the irrigation season well under way. Here’s what you need to know about the drought and what it means for your water.