Science & Technology
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Report: Multiple Factors Contributed to the Delay in Constructing Combined Sewer Overflow Tanks at the Gowanus Canal Superfund Site in New York City
Half the States Did Not Include Climate Adaptation or Related Resilience Efforts in Their Clean Water State Revolving Fund Intended Use Plans.
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Report: U.S. Chemical Safety and Hazard Investigation Board Fiscal Years 2023 and 2022 Financial Statement Audit
Report: U.S. Chemical Safety and Hazard Investigation Board Fiscal Years 2023 and 2022 Financial Statement Audit
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NHDPlus Applications
A collection of the NHDPlus-related fact sheets.
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Report: Half the States Did Not Include Climate Adaptation or Related Resilience Efforts in Their Clean Water State Revolving Fund Intended Use Plans
Half the States Did Not Include Climate Adaptation or Related Resilience Efforts in Their Clean Water State Revolving Fund Intended Use Plans.
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Report: External Peer Review Report on the EPA OIG
The EPA Needs to Improve Institutional Controls at the American Creosote Works Superfund Site in Pensacola, Florida, to Protect Public Health and IIJA-Funded Remediation
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Report: EPA Region 7 Did Not Effectively Engage with the Community Surrounding the Findett Corp. Superfund Site
Report: EPA Region 7 Did Not Effectively Engage with the Community Surrounding the Findett Corp. Superfund Site
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Report: The CSB Has Improved Its Information Security Program but Needs to Document Recovery Testing Results, Consistent with National Institute of Standards and Technology Guidelines
Report: The CSB Has Improved Its Information Security Program but Needs to Document Recovery Testing Results, Consistent with National Institute of Standards and Technology Guidelines
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Report: Infrastructure Investment and Jobs Act Oversight Plan—Year Three
Report: Infrastructure Investment and Jobs Act Oversight Plan—Year Three
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Report: The EPA Does Not Always Track the Use of Build America, Buy America Act Waivers for Infrastructure Projects
Report: The EPA Does Not Always Track the Use of Build America, Buy America Act Waivers for Infrastructure Projects
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Report: Lack of State Financial Support and Local Capacity Prolonged Jackson, Mississippi Drinking Water Issues
Report: Lack of State Financial Support and Local Capacity Prolonged Jackson, Mississippi Drinking Water Issues
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Report: Data Reliability Issues Impede the EPA’s Ability to Ensure Its Allotment of Infrastructure Investment and Jobs Act Funding for Lead Service Line Replacements Reflects Needs
Report: Data Reliability Issues Impede the EPA’s Ability to Ensure Its Allotment of Infrastructure Investment and Jobs Act Funding for Lead Service Line Replacements Reflects Needs
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Report: Management Implication Report: The EPA’s Wood Heater Program
Report: Management Implication Report: The EPA’s Wood Heater Program
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Semiannual Report to Congress: October 1, 2023–March 31, 2024
Semiannual Report to Congress: October 1, 2023–March 31, 2024
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Report: The EPA Complied with the Payment Integrity Information Act for Fiscal Year 2023 but Needs to Improve Its Oversight Efforts for Improper and Unknown Payment Activities
Report: The EPA Complied with the Payment Integrity Information Act for Fiscal Year 2023 but Needs to Improve Its Oversight Efforts for Improper and Unknown Payment Activities
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Report: Great Lakes Restoration Initiative Grants Documented Most Achievements, but the EPA Could Improve Monitoring and Reporting
Report: Great Lakes Restoration Initiative Grants Documented Most Achievements, but the EPA Could Improve Monitoring and Reporting
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Report: Management Implication Report: The EPA Failed to Comply with the OIG’s Preservation Requests for Access to Mobile Device Information
Report: Management Implication Report: The EPA Failed to Comply with the OIG’s Preservation Requests for Access to Mobile Device Information
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Report: New Mexico’s Capacity to Effectively Manage Clean Water Infrastructure Funds Faces Challenges
Report: New Mexico’s Capacity to Effectively Manage Clean Water Infrastructure Funds Faces Challenges
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Report: The EPA Should Better Prepare to Implement Public Notification Requirements When Lead in Drinking Water Poses Serious Risks to Human Health
Report: The EPA Should Better Prepare to Implement Public Notification Requirements When Lead in Drinking Water Poses Serious Risks to Human Health
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Report: The EPA Should Improve Oversight of Physical Access and Institutional Controls at the Escambia Wood Superfund Site
Report: The EPA Should Improve Oversight of Physical Access and Institutional Controls at the Escambia Wood Superfund Site
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Newsletter: OIG Quarterly Newsletter – July 2024
OIG Quarterly Newsletter – July 2024