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Ecology and salmon related articles

Another Settlement Reached Over Columbia
and Snake River Dams Leaking Oil

by Courtney Flatt
Spokane Public Radio, November 26, 2019

Chief Joseph Dam is on the Columbia River in eastern Washington at Bridgeport. (photo: U.S. Army Corps of Engineers) Operators at Chief Joseph Dam in eastern Washington will now have to reduce pollution from oil spills that leak into the Columbia River. That’s after the U.S. Army Corps of Engineers recently reached a settlement with Columbia Riverkeeper.

The environmental group has sued dam operators along the Columbia and Snake rivers. They hope to reduce oil spills, require operators to monitor how much oil is leaking into the water and ask dam managers to look into using eco-friendly oil. Unlike conventional oil used to lubricate dam turbines, this newer type of oil would break down more naturally and would be less harmful to aquatic life.

Lauren Goldberg with Columbia Riverkeeper said there have been large releases of oil at Ice Harbor and Lower Monumental dams on the Snake and The Dalles on the Columbia that were reported by the U.S. Army Corps. She said there are also smaller chronic leaks that often go undetected.

"Every year, hydroelectric dams on the Columbia and Snake rivers leak large quantities of oil," Golberg said. "Sometimes there are leaks of hundreds of gallons of oil, sometimes over a thousand gallons of oil."

Goldberg said oil spills will happen more often as dams age.

"Overall, oil pollution is bad for clean water. It’s bad for salmon. It’s bad for other aquatic life," Goldberg said. "People swim in the Columbia River. People eat fish caught in the Columbia River."

Columbia Riverkeeper has also settled lawsuits to stop oil leaks at nine other Northwest dams, including Bonneville, The Dalles, Ice Harbor and Grand Coulee. The settlements require The U.S. Army Corps of Engineers and the U.S. Bureau of Reclamation to obtain permits that will restrict oil pollution.

Several public utility districts that operate dams in the mid-Columbia are also applying for clean water act permits, Goldberg said.

The U.S. Army Corps of Engineers did not respond to requests for comment Tuesday.

Related Pages:
Army Corps of Engineers Reports Suspected Oil Leak into Snake River by Associated Press, Stars and Stripes, 8/9/19
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

Courtney Flatt
Another Settlement Reached Over Columbia and Snake River Dams Leaking Oil
Spokane Public Radio, November 26, 2019

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