Columbia River Mystery Sheen

Wenatchee, WA - Region X


Site Contact:

Dale Becker
On Scene Coordinator

Wenatchee, WA 98801

Latitude: 47.4180000
Longitude: -120.3031000
NRC#: 1173522

EPA Region 10 was notified by the Washington Department of Ecology (Ecology) of a sheen on the Columbia River in Wenatchee, WA at 8:00 AM March 18, 2017. The source of the sheen was unknown. The sheen was discovered and reported to local 911 dispatch by recreational river users at approximately 5:00 PM March 17, 2017. EPA Region 10 formed unified command with Ecology and Chelan County Emergency Management.

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