WILLISTON, N.D. (AP) The North Dakota Department of Health says almost 21,000 gallons of oil and more than 19,000 gallons of brine have spilled near Williston.
Oasis Petroleum says it has recovered more than 20,000 gallons of oil from the site of the spill. It says that all but about 42 gallons of the brine that spilled have been recovered. The company says the spill was caused by a tank overflow.
The state's health department and the Oil and Gas Division are responding to the incident.