New York Times - October 31, 2019

"In 2017, a spill along the Keystone pipeline system coated a stretch of grassland in South Dakota with more than 407,000 gallons of leaked Canadian crude oil, which was nearly twice as much as originally estimated,according to the company. The pipeline also leaked about 16,000 gallons each in spillsin 2011 in North Dakotaandin 2016 in South Dakota."

The Keystone pipeline system, an addition to which has been the subject of environmental protests for years, leaked about 383,000 gallons of crude oil in North Dakota, covering an estimated half-acre of wetland, state environmental regulators said.

The spill, which has been contained, occurred in a low-gradient drainage area near the small town of Edinburg in northeast North Dakota, less than 50 miles from the Canadian border, according to Karl Rockeman, the director of the state Department of Environmental Quality’s division of water quality.

“It is one of the larger spills in the state,” he said in an email on Thursday.

There are no residences near the site and the wetland is not a source of drinking water, he said. State regulators and cleanup equipment are on site, but Mr. Rockeman could not say whether cleanup had begun.

The leak occurred along a stretch of the existing Keystone pipeline system, not the 1,179-mile-long addition to that system known as the Keystone XL pipeline, he said. Keystone XL has been the subject of environmental protests for years. President Barack Obama denied it a permit in 2015, but just days after taking office President Trump cleared a path for its operator, TC Energy, formerly known as TransCanada, to proceed. ...
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