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EPA taking comment on permits for dams along lower Columbia and Snake rivers

Little Goose Dam by U.S. Army Corps for Engineers, 2014

The Environmental Protection Agency is asking the public for comment on draft discharge permits for eight federally regulated dams along the lower Columbia and lower Snake rivers.

Public comments will be taken until May 4. The U.S. Army Corps of Engineers operates Bonneville, The Dalles, John Day, McNary, Ice Harbor, Lower Monumental, Little Goose and Lower Granite dams. All are power producers.

The permits address oil, grease and cooling water discharges, according to EPA’s Region 10.

Copies of the proposed permits and fact sheets for the dams on the lower Columbia River are available here. Permits and fact sheets for the lower Snake River dams are available here.

Comments or requests for a public hearing should be sent to Jennifer Wu, EPA environmental engineer, at

Dylan Darling, public affairs specialist

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