Department of the Interior

We substantiated allegations that an operator failed to get BSEE approval before installing equipment and did not report a discharge or gas leak.

DOI complied with PIIA for FY 2025 and did not identify or report any programs susceptible to significant improper payments.

We found that a gas company produced Federal minerals from wells in Utah but failed to report mineral production or royalties.

This report highlights OIG’s work from October 1, 2025, to March 31, 2026, including the closure of 10 significant recommendations.

We substantiated allegations that the former manager of Chena Bingo embezzled funds from the tribally operated gaming establishment.

We found that a company diverted geothermal resources from a Federal lease without authorization, generated power, and failed to pay royalties.

This report provides status information on DOI’s American Relief Act supplemental funding for disaster relief as of the end of 2025.

The Colorado Department of Natural Resources complied with laws and requirements but had issues with subaward management.

We found a former NPS Superintendent accepted gifts from a Government subcontractor and misused Government property while overseeing a project.

We found that a former Principal of a BIE Boarding School in Arizona viewed and possessed child pornography while on duty.