A leak discovered in St. Charles last week continues to keep a large segment of the TransCanada Keystone pipeline shut down.
The roughly 1,800-gallon oil leak occurred north of St. Charles, just 1,700 feet south of the Mississippi River.
TransCanada has yet to determine what caused the leak and currently has no timeline for a restart of the pipeline.
The closed segment of the pipeline runs from Steele City, Nebraska, to Pakota, Illinois. The Keystone pipeline system carries about 590,000 barrels of oil per day from Canada to refineries in the Midwest.
Read more: St. Louis Post-Dispatch