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Office of Inspector General
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OIG Reports

Following is a listing of all reports issued by the Office of Inspector General.

Reports by Year

  • 2022
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Special Reports

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Congressionally Requested and Chemical Safety Board Reports

  • Congressionally Requested Reports
  • Chemical Safety Board Reports (U.S. CSB)

What is the EPA OIG?

The Office of Inspector General is an independent organization that performs audits and investigations of the EPA to detect and prevent fraud, waste and abuse. Learn more

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Report Corrections

Any time the OIG corrects a report post-issuance, the report link in the listing below will be accompanied by a correction notation for a period of two weeks.

Our Audit and Evaluation Reports

The EPA OIG conducts financial and performance audits to determine the efficiency and effectiveness of agency operations and programs. Audits identify potential fraud, waste and abuse; assess program compliance and management of agency processes; identify opportunities to improve human health and the environment; and offer recommendations for cost savings and other efficiencies.

The EPA OIG also conducts evaluations of EPA programs and activities that support clean air, clear water, safer chemicals, cleaner communities, and scientific research. The office assesses the design, implementation, and measurement of EPA programs, including evidence of program effectiveness and results.

Audits and evaluations differ from our investigations in that they do not deal with criminal activities and generally look at groups, processes, controls or structures, not individual employees. Also, when initiated, most audits are announced publicly, and upon their conclusion, a final report is posted here on the Reports page.

2022 OIG Reports

Date Title Publication Number Environmental Goal(s) Report Teams
May 17, 2022 The EPA Needs to Fully Address the OIG’s 2018 Flint Water Crisis Report Recommendations by Improving Controls, Training, and Risk Assessments
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22-P-0046 Cleaning up and revitalizing land, Compliance with the law, Operating efficiently and effectively EII
Mar 31, 2022 Brownfields Program-Income Monitoring Deficiencies Persist Because the EPA Did Not Complete All Certified Corrective Actions 22-P-0033 Cleaning up and revitalizing land, Operating efficiently and effectively EII
Mar 31, 2022 The EPA Did Not Follow Agency Policies in Managing the Northbridge Contract and Potentially Violated Appropriations Law 22-E-0027 Operating efficiently and effectively BOD
Mar 30, 2022 The EPA Lacks Documented Procedures for Detecting and Removing Unapproved Software on the Agency’s Network 22-E-0028 Operating efficiently and effectively IRM
Mar 30, 2022 The EPA Needs to Develop a Strategy to Complete Overdue Residual Risk and Technology Reviews and to Meet the Statutory Deadlines for Upcoming Reviews 22-E-0026 Improving air quality, Diversity, Equity, and Inclusion (DE&I)-related POCO
Mar 29, 2022 CSB Is at Increased Risk of Losing Significant Data and Is Vulnerable to Exploitation 22-E-0025 U.S. Chemical Safety Board IRM
Mar 15, 2022 U.S. Chemical Safety and Hazard Investigation Board's Compliance in Fiscal Year 2021 with Improper Payments Legislation and Guidance 22-E-0020 U.S. Chemical Safety Board BOD
Mar 7, 2022 EPA Needs to Complete Implementation of Religious Compensatory Time Training for Supervisors and Employees 22-P-0019 Operating efficiently and effectively BOD
Feb 22, 2022 EPA Should Consistently Track Coronavirus Pandemic-Related Grant Flexibilities and Implement Plan for Electronic Grant File Storage 22-P-0018 Operating efficiently and effectively, COVID/Pandemic-related BOD
Feb 18, 2022 Management Implication Report: Inappropriate Manipulation of Air Filter Data by Office of Research and Development Contractor      

Jan 12, 2022

follow-up documents icon
EPA’s Title V Program Needs to Address Ongoing Fee Issues and Improve Oversight 22-E-0017 Improving air quality IEE
Jan 6, 2022 Hotline: EPA Is Taking Steps to Update Its Federal Radiation Guidance 22-E-0016 Operating efficiently and effectively, Hotline Report IEE


2021 OIG Reports are available.

GAGAS and Non-GAGAS Reports

Reports from October 2016 and later marked with a P, F or A in their report number follow GAGAS, official examination standards established by the federal government. This sign of quality ensures the integrity, objectivity and independence of our work.

Reports marked with an N, E, B or S signify the limited “non-GAGAS” work that reflects back on our recent recommendations to highlight the impact of our oversight mission.

Report Type Middle Character (i.e., 20-X-001)
GAGAS-compliant performance audit P
GAGAS-compliant financial statement audit F
GAGAS-compliant attestation audit A
Non-GAGAS or Non-QSIE-compliant report N
QSIE -compliant evaluation E
Internal report B
Single audit report S

Report Teams

  • AID - Administrative Investigations
  • BOD - Business Operations
  • CSB - US Chemical Safety Board
  • EII - Environmental Investment and Infrastructure
  • FA - Financial
  • IEE - Implementation, Execution, and Enforcement
  • IRM - Information Resources Management
  • OM - Office of Management
  • PCC - Pollution Control and Clean Up
  • POCO - Programs, Offices, and Centers Oversight

OIG Independence of EPA

The EPA's Office of Inspector General is a part of the EPA, although Congress provides our funding separate from the agency, to ensure our independence. We were created pursuant to the Inspector General Act of 1978, as amended.

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Environmental Protection Agency  |  Office of Inspector General
1200 Pennsylvania Avenue, N.W. (2410T)  |  Washington, DC 20460  |  202-566-2391
OIG Hotline: 1-888-546-8740.

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Last updated on May 17, 2022