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.

Every day is Earth Day

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


Every year on April 22, millions across the planet celebrate Earth Day. It's an opportunity to honor our planet and a reminder that we all can take action to protect it.

For Ecology, Earth Day is more than just one day a year — it’s our mission every day. From responding to climate... Continue reading this blog...

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