Environmental Protection Agency OIG

Why We Did This Report We initiated an audit to determine whether the EPA is awarding water funding for congressionally directed spending and community project funding, commonly known as “earmarks,” in accordance with federal and EPA requirements. While conducting work on this audit, which remains...

Why We Did This Report The U.S. Environmental Protection Agency Office of Inspector General performed this audit to determine whether the EPA’s annual appropriations and Infrastructure Investment and Jobs Act, or IIJA, funds in the Clean Water State Revolving Fund, or CWSRF, Program are at risk from...

Why We Did This Report The U.S. Environmental Protection Agency Office of Inspector General initiated this project to summarize findings from prior EPA OIG reports on the EPA’s management of the Infrastructure Investment and Jobs Act funding for the 2022 Clean School Bus Rebates Program that could...

Why We Did This Report We issued this report to highlight the threat posed to federal facility Superfund sites and their surrounding communities by wildfires. Summary of Findings If these sites do not analyze wildfire risks, there is an increased risk that toxic contaminants may be released...

Why We Did This Report We issued this report to highlight the threat posed to federal facility Superfund sites and their surrounding communities by inland flooding. Summary of Findings If these sites do not analyze inland flooding risks, there is an increased risk that toxic contaminants may be...

Why We Did This Report During a July 2025 inspection of a nearby Superfund site, the EPA OIG visited the Eighteenmile Creek Superfund site to assess the quality of its institutional controls and risk communication. The EPA placed the site on the Superfund program’s National Priorities List and began...

Why We Did This Report The U.S. Environmental Protection Agency Office of Inspector General conducted this audit to determine whether the EPA’s grants workforce planning efforts are in accordance with federal requirements and address the workload for grants administered under annual and supplemental...

Why We Did This Report The U.S. Environmental Protection Agency Office of Inspector General conducted this evaluation to determine whether the EPA implemented effective controls during the selection of Track I grant awardees through the Community Change Grants Program within the EPA Office of...

Why We Did This Report The Pesticide Registration Improvement Act of 2003 requires the U.S. Environmental Protection Agency Office of Inspector General to perform an annual audit of the financial statements for the Pesticide Registration Fund. Summary of Findings We rendered an unmodified opinion on...

Why We Did This Report The OIG conducted this audit to determine whether the EPA appropriately identified and resolved improper payments during its annual review of the State Revolving Fund Program. Summary of Findings The EPA did not appropriately identify unknown and improper payments or properly...