North Dakota pipeline spills over 12,000 gallons, impacting agricultural land

Staff from the North Dakota Department of Environmental Quality are inspecting the site of the spill and will monitor the investigation and cleanup, state officials said

Large pipes from a lattice of circles with snow covering the bottom of the mouths of the pipes.
File photo of pipe for the Sandpiper Pipeline stored east of Stanley, N.D., along U.S. Highway 2 for construction of the pipeline. Amy Dalrymple/Forum News Service
Forum News Service file photo
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WILLISTON, N.D. — More than 7,800 gallons of propylene glycol and more than 4,400 gallons of produced water spilled from a pipeline operated by the Hess Corporation in western North Dakota on Monday, Dec. 5, according to the state Department of Environmental Quality.

The spill happened about 2 miles north of Ray in Williams County and was detected during a pipeline pressure test, state officials said.

Hess alerted the Department of Environmental Quality to the spill, which affected agricultural land.

Propylene glycol is used as an antifreeze during pressure testing. Produced water is a byproduct of oil production.

Along with propylene glycol and produced water, Hess estimated about 7,800 gallons of fresh water also spilled, state officials said.


Department of Environmental Quality staff are inspecting the site and will monitor the investigation and cleanup of the spill, state officials said

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