Department of the Interior

BIE did not ensure deficiencies were addressed timely; schools did not consistently implement mitigating measures or close corrected work orders.

We found that a former NPS Administrative Assistant violated ethical requirements in connection with the former employee’s outside position.

The Udall Foundation did not adhere to NIST standards, hindering its ability to devise a viable approach for managing its information security risks.

USGS distributed Earth MRI IIJA funds in accordance with the Act, but it was unable to demonstrate the cooperative agreements met program objectives.

We substantiated allegations that Signal Peak Energy submitted false invoices and information to ONRR.

BLM generally accounted for helium royalties collected; however, it did not always identify, track, collect, and properly oversee helium royalties.

We found that unsupported costs were charged to an IRA grant and BOR did not properly oversee a grant and cooperative agreement.

KPMG’s audit of DOI’s FY 2025 financial statements found 1 material weakness and 2 significant deficiencies in financial reporting internal controls.

The Osage Nation made minimal progress in developing and executing its orphaned well program using IIJA funding.

Read our latest report to Congress highlighting OIG’s successful work from April 1, 2025, to September 30, 2025.