Eastern Region

River bank restoration near Colville
Our Eastern Region (ERO) includes Adams, Asotin, Columbia, Ferry, Franklin, Garfield, Grant, Lincoln, Pend Oreille, Spokane, Stevens, Walla Walla, and Whitman counties.

Topics of interest in the Eastern Region

Water rights

Waters of the state belong to the public and can't be owned by any individual or group. Instead, a person or group may be granted a right to use a volume of water, for a defined purpose, in a specific place. Learn more about water rights management, including requesting or relinquishing water rights, adjudications, water banks, and metering water usage.

Burn bans

Do you use a wood stove to heat your home? Check to see if there is an air quality burn ban in your area. We also have information about how to use your wood stove more efficiently and the health affects of breathing smoke.

Rattlesnake Creek is recovering

Eight years after a dam breach devastated Rattlesnake Creek, steelhead and wildlife are returning. This shows the creek’s natural resilience and the impact of ongoing restoration efforts.


On the morning of April 13, 2017, around 9.4 million gallons of water burst through an earthen dam on Bonasa Breaks Ranch in Asotin County, taking trees, shrubs, boulders, and critical steelhead habitat with it.

The flood and ensuing debris flow caused damage to a state highway, took out a bridge, and destroyed several acres of private property.

Engineering consultant and geomorphologist... Continue reading this blog...

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