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Abbreviation
EPA
Agencies
Environmental Protection Agency
Chemical Safety and Hazard Investigation Board
Federal Agency
Yes
Location

United States

What to Report to the OIG Hotline
Be as specific as possible and provide the following: • Relevant name(s) of all parties involved, including witnesses and other contacts. • Dates and times of the events or issues that you are identifying. • The location of the issue or the area that it impacts. • Name of contractor or grantee. • Contract or grant numbers. • Contract or grant award date. • Any additional pertinent information you have concerning the issue.
What Not to Report to the OIG Hotline
The OIG Hotline handles allegations of fraud, waste and abuse in EPA and CSB programs generally. For immediate concerns regarding an environmental hazard, please contact an EPA hotline, as shown below. • Contact a specific EPA hotline. • Or use the EPA Environmental Violations Form to report any incident.

EPA Guidance Addresses Implementation Requirements for Infrastructure Investment and Jobs Act for Drinking Water State Revolving Fund Emerging Contaminants Funding, but Clarification Is Needed Before More States Spend Funds

2025
25-P-0015
Audit
Environmental Protection Agency OIG
Environmental Protection Agency

EPA guidance generally addresses IIJA Drinking Water State Revolving Fund, or DWSRF, emerging contaminants provisions. These provisions include focusing on projects that address per- and polyfluoroalkyl substances, or PFAS. However, the EPA's guidance does not detail allowable ranking and funding...

The EPA Left $20 Million Unawarded in the Sewer Overflow and Stormwater Reuse Municipal Grants Program

2025
25-P-0014
Audit
Environmental Protection Agency OIG
Environmental Protection Agency

The EPA did not consistently manage its Sewer Overflow and Stormwater Reuse Municipal Grants, or OSG, Program in accordance with some applicable laws, regulations, policies, and guidance. We found that, as of January 10, 2024, the EPA had not awarded approximately $20 million, or about 18 percent...

OIG Report to the Office of Management and Budget on the EPA's and CSB's Implementation of Recommendations Related to Purchase and Travel Card Programs

2025
25-N-0012
Audit
Environmental Protection Agency OIG
Environmental Protection Agency
Chemical Safety and Hazard Investigation Board

In compliance with the Act, the U.S. Environmental Protection Agency Office of Inspector General conducts periodic audits, assessments, and reviews of the travel and purchase card programs at the EPA and the U.S. Chemical Safety and Hazard Investigation Board. In fiscal year 2024, however, the EPA...

The EPA Should Improve Monitoring of 2022 Clean School Bus Rebate Recipients' Use of Funds and Deployment of Buses and Infrastructure

2025
25-P-0007
Audit
Environmental Protection Agency OIG
Environmental Protection Agency

The EPA did not monitor bus deployment status and recipient use of over $836 million of 2022 Clean School Bus, or CSB, Program rebates, despite the Agency stating it would do so in the 2022 Clean School Bus (CSB) Rebates Program Guide. As of June 2024, only 22, or 6.1 percent, of the 360 schools...

U.S. Chemical Safety and Hazard Investigation Board Fiscal Years 2024 and 2023 Financial Statement Audit

2025
25-F-0011
Audit
Environmental Protection Agency OIG
Chemical Safety and Hazard Investigation Board

Allmond & Company rendered an unmodified opinion on the CSB's fiscal years 2024 and 2023 financial statements, meaning that the statements were fairly presented and free of material misstatements.

Independent Audit of the EPA's Fiscal Years 2024 and 2023 (Restated) Consolidated Financial Statements

2025
25-F-0010
Audit
Environmental Protection Agency OIG
Environmental Protection Agency

We rendered an unmodified opinion on the EPA's consolidated financial statements for fiscal years 2024 and 2023 (restated), meaning that they were fairly presented and free of material misstatement. However, we noted three material weaknesses and one significant deficiency. The most concerning...

Management Implication Report: Cybersecurity Concerns Related to Drinking Water Systems

2025
25-N-0004
Other
Environmental Protection Agency OIG
Environmental Protection Agency

The passive assessment covered 1,062 drinking water systems for cybersecurity vulnerabilities that serve over 193 million people across the United States. Scan results for October 8, 2024, identified 97 drinking water systems serving approximately 26.6 million users as having either critical or high...

Management Implication Report: Poor Data Management Hinders Oversight of State Clean and Drinking Water State Revolving Fund Programs

2025
25-N-0002
Other
Environmental Protection Agency OIG
Environmental Protection Agency

Some states are collecting and storing their CWSRF and DWSRF subrecipient and contractor data in unstructured or nonmachine-readable formats. Data that are not collected or stored in a structured database or machine-readable format can be difficult to access and can significantly inhibit the ability...

Inadequate Execution of the 7th DWINSA Lead Service Line Questionnaire Led to Flawed Data Being Used to Allot Lead Service Line Replacement Funds

2025
25-E-0002
Inspection / Evaluation
Environmental Protection Agency OIG
Environmental Protection Agency

The design and execution of the 7th Drinking Water Infrastructure Needs Survey and Assessment did not result in allotments of lead service line, or LSL, funds that accurately reflected the LSL replacement needs in each state. The EPA used the responses to the survey's supplemental LSL questionnaire...

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