Produced Water Spill Reported in Renville County, North Dakota

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Published January 29th, 2026

Detected March 17th, 2026

Summary

The North Dakota Department of Environmental Quality (NDDEQ) announced a produced water spill by Cobra Oil and Gas Corporation in Renville County. Approximately 175 barrels were released, impacting agricultural land. The NDDEQ is monitoring the company's investigation and remediation efforts.

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What changed

Cobra Oil and Gas Corporation reported a spill of approximately 175 barrels (7,350 gallons) of produced water due to a valve failure in Renville County, North Dakota. The spill occurred on January 28, 2026, impacting surrounding agricultural land. The North Dakota Department of Environmental Quality (NDDEQ) has been notified and is overseeing the company's investigation and remediation processes.

This incident highlights the regulatory requirement for operators to report spills that may pollute water, air, or soil under federal and state laws. Companies operating in North Dakota should ensure their spill response plans are robust and that reporting procedures are strictly followed. The NDDEQ will continue to monitor Cobra Oil and Gas Corporation's actions to ensure compliance with environmental regulations and remediation of the affected area.

What to do next

Review spill reporting procedures for compliance with state and federal regulations.
Ensure immediate notification protocols for environmental incidents are up-to-date.
Verify remediation plans are in place and adequate for potential spills.

Source document (simplified)

NEWS RELEASE | FOR IMMEDIATE RELEASE | Jan. 29, 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 valve failure in Renville County. The incident occurred on Jan. 28 approximately 11 miles northwest of Mohall and impacted the surrounding agricultural land. Cobra Oil and Gas Corporation reported approximately 175 barrels (7,350 gallons) of Produced water were released. Personnel from the NDDEQ are working with the company 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