More than 200,000-gallon oil leak shuts down portion of Keystone Pipeline in S.D.

Courtesy: KSFY
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MARSHALL COUNTY, S.D. - Part of the controversial Keystone Pipeline was shut down Thursday after more than 200,000 gallons of oil leaked in South Dakota.

Brian Walsh with the Department of Environment and Natural Resources says they were alerted to the leak at 10:30 a.m. Thursday morning by TransCanada.

The leak was in the Keystone Pipeline located in an agricultural area in Marshall County. There have been no reports of the oil entering any waterways or water systems at this time.

Walsh said 5,000 barrels of oil have leaked, and at 42 gallons a barrel, that totals 210,000 gallons of oil.

The pipeline has been shut off and the leak has been covered. An emergency response plan has been activated to get more staff and contractors to the site for clean up.

Walsh anticipates the clean up will take some time.

The following is a statement from TransCanada in response to the oil leak:

"TransCanada (TSX, NYSE: TRP) crews safely shut down its Keystone pipeline at approximately 6 a.m. CST (5 a.m. MST) after a drop in pressure was detected in its operating system resulting from an oil leak that is under investigation. The estimated volume of the leak is approximately 5,000 barrels.

The section of pipe along a right-of-way approximately 35 miles (56 kilometres) south of the Ludden pump station in Marshall County, South Dakota was completely isolated within 15 minutes and emergency response procedures were activated.