Reissuance of EPA UIC Class V Injection Well Permits (July 2026) – Montalban Oil and Gas Operations, Jody Field 34-1 & 34-2, Pondera County, Montana
The U.S. Environmental Protection Agency (EPA) Region 8 Underground Injection Control (UIC) Program is reissuing two Class V permits to Montalban Oil & Gas Operations, Inc. (MOGO) for injection activities into the Jody Field 34-1 and 34-2 wells. The permits will allow for injection of produced fluid from oil and gas related activities and non-hazardous industrial wastewater into the two existing wells. The wastewater is from the Montana Renewables Refinery in Great Falls, MT, and is generated by pretreating renewable feedstocks.
This action reflects only updated issuance and effective dates of the final permits and does not alter the previously established permit terms and conditions.
Documents for the administrative record for this action can be found on regulations.gov at: https://www.regulations.gov/docket/EPA-R08-OW-2025-0852/document.
FINAL DOCUMENTS:
Contact:
Please email R8UICMailbox@epa.gov with the subject line: Final Decisions for EPA UIC Class V Well MOGO Permits