Produced Water Spill Reported in Renville County

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Published January 26th, 2026

Detected March 17th, 2026

Summary

The North Dakota Department of Environmental Quality (NDDEQ) announced a produced water spill reported by Cobra Oil and Gas Corporation in Renville County. Approximately 250 barrels of produced water were released due to a tank failure. The NDDEQ is monitoring the investigation and remediation efforts.

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What changed

The North Dakota Department of Environmental Quality (NDDEQ) has issued a notice regarding a produced water spill incident involving Cobra Oil and Gas Corporation in Renville County. The spill, which occurred on January 25, 2026, resulted in the release of approximately 250 barrels (10,500 gallons) of produced water from a tank failure, impacting the surrounding prairie. The NDDEQ has inspected the site and will oversee the ongoing investigation and remediation processes.

This incident highlights the regulatory requirement for operators to report spills that may pollute water, air, or soil. Companies operating in North Dakota must ensure their spill prevention and response plans are robust and that reporting procedures are followed promptly. The NDDEQ's involvement underscores the importance of compliance with federal and state environmental laws, with potential for further monitoring and enforcement actions if remediation is inadequate. Interested parties can access more information through North Dakota’s Unified Spill Reporting System.

What to do next

Review spill reporting procedures for compliance with North Dakota regulations.
Ensure robust spill prevention and response plans are in place for produced water.
Monitor NDDEQ updates regarding the Cobra Oil and Gas Corporation spill investigation and remediation.

Source document (simplified)

NEWS RELEASE | FOR IMMEDIATE RELEASE | January 26, 2026 Produced water spill reported in Renville County BISMARCK, N.D. – Cobra Oil and Gas Corporation has notified the North Dakota Department of Environmental Quality (NDDEQ) of a produced water spill from a tank failure in Renville County. The incident occurred on January 25th approximately 2 miles northeast of Glenburn and impacted the surrounding prairie. Cobra Oil and Gas Corporation reported approximately 250 barrels (10,500 gallons) of Produced water were released from a tank. Personnel from the NDDEQ have inspected the site and will continue to monitor the investigation and remediation. Federal and state laws require that operators report the spillage of any materials that may pollute water, air or soil. Visit spill.nd.gov for more information about North Dakota’s Unified Spill Reporting System notifications and the public access tool. For more information on this release, contact Scott Stockdill, Division of Water Quality, at 701.328.5241. ________________________________________________________________________________ For more information, contact: Scott Stockdill Division of Water Quality North Dakota Department of Environmental Quality 4201 Normandy Street | Bismarck, ND 58503-1324 PHONE: 701.328.5241 | EMAIL: sjstockdill@nd.gov www.deq.nd.gov