Reports | Office of Inspector General, U.S. Department of the Interior

January 30, 2026

Independent Auditors’ Performance Audit Report on the U.S. Department of the Interior’s Compliance With the Federal Information Security Modernization Act for Fiscal Year 2025

Report Number

2025-CTD-016

KPMG LLC conducted an annual independent audit to determine the effectiveness of the DOI’s FY 2025 FISMA programs and practices.

Audit

January 28, 2026

Interior Business Center Oversight of Indirect Rate Proposals

Report Number

2025-CR-019

IBC ICCAD internal control vulnerabilities increase the risk of unauthorized or erroneous rate changes, data integrity issues, and audit trail gaps.

Audit

Interior Business Center

January 28, 2026

Progress Made by the U.S. Department of the Interior in Implementing Government Charge Card Recommendations, Fiscal Year 2025

Report Number

2026-FIN-005

We discuss DOI’s progress in implementing Government charge card recommendations in FY 2025 and other DOI-related charge card audits and evaluations.

Other

Management and Budget

January 27, 2026

Summary: Former NPS Employee Violated Ethics Rules

Report Number

24-0083

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

Investigation

National Park Service

January 26, 2026

Wildlife and Sport Fish Restoration Grants Awarded to the State of South Dakota by the U.S. Fish and Wildlife Service

Report Number

2024-CGD-041

The Department of Game, Fish, and Parks should take steps to improve its grant performance reporting and subaward management.

Audit

U.S. Fish and Wildlife Service

January 23, 2026

Inspector General’s Statement Summarizing the Major Management and Performance Challenges Facing the U.S. Department of the Interior, FY 2025

Top Management Challenges

January 21, 2026

Wildlife and Sport Fish Restoration Grants Awarded to the State of New Mexico by the U.S. Fish and Wildlife Service

Report Number

2024-CGD-037

The Department of Game and Fish should take steps to improve its leave allocation process, as well as subaward and equipment management.

Audit

U.S. Fish and Wildlife Service

January 21, 2026

ONRR Needs To Consistently Enforce Compliance and Timely Revenue Collection

Report Number

2024-CR-008

We found that ONRR did not appropriately identify, assess, issue, and collect penalties related to mineral and energy leases.

Audit

Office of Natural Resources Revenue

January 16, 2026

Independent Auditors’ Report on the U.S. Department of the Interior’s Financial Statements for Fiscal Year 2025

Report Number

2025-FIN-022

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

Audit

Departmentwide

December 29, 2025

Summary: Former DOI Official Violated Conflict of Interest Rules

Report Number

24-0734

We substantiated allegations that a former DOI official violated Federal conflict of interest requirements on post-employment representation.

Investigation