Army Corps of Engineers Reports
by Associated Press
RICHLAND, Wash. -- Up to 300 gallons of oil may have leaked into the Snake River from a power-generating turbine at Lower Monumental Dam.
The Army Corps of Engineers reported the suspected spill this week, according to the Tri-City Herald, but it's unclear when it happened.
The Army Corps disclosed the incident to regulators and the environmental group Columbia Riverkeeper under the terms of a 2014 settlement agreement.
Columbia Riverkeeper had sued to stop oil releases from the eight dams on the lower Snake and Columbia rivers.
The group issued a statement Thursday calling the most recent disclosure the latest in a series of spills that highlight the threat posed by the four aging Snake River dams.
The Corps reported that 200 to 300 gallons of unspecified "turbine oil" may have leaked from a turbine shaft at Lower Monumental.
Oil Spills into Snake River at Lower Monumental Dam by Staff, Walla Walla Union-Bulletin, 1/12/18
742 Gallons of Oil Dripped into Snake River near Kahlotus by Annette Cary, Tri-City Herald, 8/9/17
Corps Confirms Oil Leak at 810-MW Lower Monumental Hydro by Elizabeth Ingram, HydroWorld, 8/9/17
Corps: Oil Leaked from Dam into Snake River Over 7 Months by Associated Press, U.S. News & World Reports, 8/9/17
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