Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (A locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Chemicals, Toxics, and Pesticide
    • Emergency Response
    • Environmental Information by Location
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Guidance
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

EPA's Office of Inspector General

  • Fraudcast & Fraud Alerts: Social Media Scams

    DATE: December 19, 2025

    Listen and read about social media scams
  • Lessons Learned from Prior Oversight Related to the EPA’s Rulemaking

    September 30, 2025 | Report No. 25-E-0053

    Read more about lessons learned
  • StoryMap: The EPA's Oversight of Air Monitoring Operating Schedules

    This StoryMap visualizes key information and findings from the OIG Report No. 25-E-0051, Evaluation of the EPA’s Oversight of State and Local Ambient Air Monitoring Operating Schedules.

    View StoryMap
  • Whistleblower Protection

    The IG Act and other pertinent laws protect persons making Hotline complaints.

    Read more about Whistleblower Protection
  • Oversight Products

    The EPA OIG conducts financial and performance audits to determine the efficiency and effectiveness of agency operations and programs.

    View Products
  • OIG HOTLINE

    EPA OIG Hotline Icon for the COVID-19 webpage

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

    Online Complaint Form​​
  • IIJA

    Three images - men working on a construction site, buses used for transportation, and a barge being loaded by a digger

    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

  • January 29, 2026
    Audit of the EPA’s Resolution of Improper Payments Identified Through Its Annual Review of the State Revolving Fund Program
  • January 28, 2026
    OIG Report to the Office of Management and Budget on the EPA’s Semiannual Report on Purchase Card Violations 
  • January 28, 2026
    OIG Report to the Office of Management and Budget on the EPA’s and the CSB’s Implementation of Recommendations Related to Purchase and Travel Card Programs 
  • January 21, 2026
    Audit Follow-up: Missing Federal Financial Reports for IIJA-Funded Awards in the EPA’s Grant Files System
  • January 14, 2026
    Evaluation of the U.S. Virgin Islands’ Capacity to Manage and Use Infrastructure Investment and Jobs Act Funds for Clean Water and Drinking Water Infrastructure Improvements
 

In the Spotlight

StoryMap: The EPA's Oversight of Air Monitoring Operating Schedules

Descriptive image along with OIG logo

Semiannual Report to Congress: April 1, 2025–September 30, 2025

EPA Uncovered: The EPA OIG podcast 

 

Report Fraud, Waste, & Abuse

Call the OIG Hotline (888) 546-8740

Contact the Office of Inspector General to ask a question, provide feedback, or report a problem.
Last updated on January 30, 2026
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.