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EPA's Office of Inspector General

Evaluation: EPA’s Oversight of the Public Water System Supervision Program in American Samoa

Report and StoryMap.
View the report & StoryMap
Fraud Awareness Video

What is fraud, red flags, how to report concerns, whistleblower protections.
View the video to learn more
Investigations

Read the latest press releases reporting on the results of investigations, including criminal sentencings and convictions.
Read the News Releases
Whistleblower Protection

The IG Act and other pertinent laws protect persons making Hotline complaints.
Read more about Whistleblower Protection

Our Work

We conduct and oversee audits, evaluations, and investigations; make recommendations; and inform agencies, Congress, and the public.

View Our Work
OIG HOTLINE

Anyone, including members of the public and Agency employees, may file a complaint with the OIG Hotline.

Online Complaint Form
IIJA

The Infrastructure Investment and Jobs Act appropriates over $60 billion to the U.S. EPA for a wide range of environmental programs

IIJA

Recent Reports

November 9, 2026
Evaluation of the EPA’s Oversight of the Public Water System Supervision Program in American Samoa
(StoryMap)
October 6, 2026
Inspection of the Sunnyvale, California, Water Treatment Project Funded by the Infrastructure Investment and Jobs Act to Verify Compliance with Domestic Preference Requirements
September 29, 2026
Investigative Summary: The EPA OIG Substantiated Retaliation Allegations Against the Nonprofit Blacks in Green
September 15, 2026
Oversight Plan for Fiscal Year 2027
September 8, 2026
Compendium of Open Recommendations: Data as of May 31, 2026
(Podcast)

In the Spotlight

Nicole Murley, EPA OIG, testifies before the Subcommittee on Environment, Committee on Energy and Commerce, U.S. House of Representatives. (EPA OIG)

Congressional Testimony: Hearing Before the Subcommittee on Environment, Committee on Energy and Commerce, U.S. House of Representatives

EPA OIG Joins Interagency Trade Fraud Task Force

EPA Uncovered: The EPA OIG podcast

Report Fraud, Waste, & Abuse

Call the OIG Hotline (888) 546-8740