Environmental Protection Agency OIG

The City of Jackson’s funding for its water system did not address the capacity issues at the O.B. Curtis Water Treatment Plant, leading to chronic problems with operations and maintenance. Various Jackson departments did not effectively communicate the water system’s capacity issues internally...

As of December 2023, the EPA had issued 11 Build America, Buy America Act waivers. We found that the EPA did not track the use of ten of these waivers across EPA-funded infrastructure projects. Build America, Buy America Act waivers can be categorized into two types: project-specific waivers and...

This document provides an update to our plan for oversight of the EPA’s implementation of the IIJA.We have divided this Year 3 oversight plan into three time-based sections that describe planned and ongoing IIJA-related audit and evaluation projects for FY 2024 and beyond. The first section includes...

Why We Did This ReportThe U.S. Environmental Protection Agency Office of Inspector General conducted this evaluation to determine whether the EPA adhered to federal laws, regulations, and EPA guidance pertaining to community engagement standards and practices at the Findett Corp. Superfund Site...

Why We Did This ReportThe U.S. Environmental Protection Agency Office of Inspector General conducted this audit to assess the U.S. Chemical Safety and Hazard Investigation Board’s compliance with the FY 2023–2024 Inspector General Federal Information Security Modernization Act of 2014 Reporting...

Why We Did This Report We conducted this evaluation to determine whether the EPA’s oversight and implementation of institutional controls will support effective use of Infrastructure Investment and Jobs Act, or IIJA, funding at the American Creosote Works Inc. (Pensacola Plant) Superfund site in...

Why This Report Was DoneThe Office of the Special Inspector General for Afghanistan (SIGAR) conducted a required external peer review of the EPA OIG’s compliance with the Council of Inspectors General on Integrity and Efficiency Quality Standards for Inspection and Evaluation, December 2020 (Blue...

Why We Did This ReportThe U.S. Environmental Protection Agency Office of Inspector General conducted this audit to determine to what extent (1) the EPA is providing guidance and reviewing states’ clean water state revolving fund intended use plans, or IUPs, to ensure that the plans, as they relate...

This audit was performed in accordance with the Accountability of Tax Dollars Act of 2002, which requires the U.S. Chemical Safety and Hazard Investigation Board to prepare, and the Office of Inspector General to audit, the agency’s financial statements each year. The EPA OIG, which also serves as...