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Our Latest Organizational Assessment Is Here

The OIG promotes good government through fair, objective, and independent oversight. Read highlights of some of our most significant accomplishments in the past year.

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Audits, Inspections, and Evaluations Oversight Plan for 2025

Using a risk-based, tiered approach, AIE will initiate work in nine risk areas in 2025, including oversight of IIJA, IRA, and other supplemental funding provided to the DOI.

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Semiannual Report to Congress

This report highlights OIG’s work from October 1, 2024, to March 31, 2025, including its closure of 23 new recommendations before the period ended.

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Whistleblower Protection

Federal laws protect whistleblowers from reprisal for disclosing waste, fraud, abuse, and danger to public health and safety. Learn more about whistleblower protections for DOI employees, contractors, and grantees, as well as how to file a whistleblower reprisal complaint.

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Infrastructure Oversight

Congress provided more than $34 billion to U.S. Department of the Interior programs through the Infrastructure, Investment, and Jobs Act (IIJA) and the Inflation Reduction Act (IRA). The IIJA and IRA also provided resources to this office.

With fair, objective, and independent oversight, we are helping to safeguard these funds from fraud, waste, and abuse.

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RECENT REPORTS

Issue Areas

U.S. Capitol Dome at night
Congress provided the OIG almost $100 million in the Infrastructure, Investment, and Jobs Act (IIJA) and $10 million in the Inflation Reduction Act (IRA) to oversee the DOI’s management of these funds. Learn how we are helping to safeguard these funds from fraud, waste, and abuse.
Responsibility to Native Americans
The Bureau of Indian Affairs and the Bureau of Indian Education provide services to 574 federally recognized tribes with a population of about 1.9 million American Indians and Alaska Natives. OIG oversight helps prevent fraud and mismanagement that diverts funds from those in need.
Financial Management
DOI has significant financial assets, including contracts, financial assistance awards (grants and cooperative agreements), property, and other resources. Within this broad area, we prioritize oversight work on grants and contracts, CARES Act, and spending under the Great American Outdoors Act.

OIG In The News

The Oversight Report, Winter 2025
Press Release

Your source for the latest updates from the U.S. Department of the Interior’s Office of Inspector General

The Oversight Report, Autumn 2024
Press Release

Your source for the latest updates from the U.S. Department of the Interior’s Office of Inspector General