WILLISTON – Zavanna LLC recently notified the North Dakota Department of Environmental Quality of a produced water spill from a pipeline line it operates in Williams County. The incident occurred about seven miles northeast of Williston. The cause of the spill is under investigation.

Zavanna estimates 9,800 barrels (411,600 gallons) of produced water released. An unknown amount entered Stony Creek. Produced water is a by-product of oil production.

Personnel from Environmental Quality are inspecting the site and will continue to monitor the investigation and cleanup.