Laws & Regulations

Report: Close-Out of Hotline Complaint on Unreasonable Cost Increase to the Wastewater Treatment Facility Improvements, Perkins, Oklahoma

Report #12-X-0161, December 29, 2011. We have closed a hotline complaint that project costs increased unreasonably due to American Recovery and Reinvestment Act of 2009 (Recovery Act) requirements because we found no evidence to support the complaint.

Report: Audit of American Recovery and Reinvestment Act-Funded Cooperative Agreement 2S-96099601 Awarded to the Idaho Department of Environmental Quality

Report #13-R-0206, Mar 28, 2013. Ollie Green & Company, the firm hired by the OIG to conduct the audit, found that IDEQ complied with Idaho’s state procurement policies and procedures, as required by 40 CFR §35.6550(a), which referenced 40 CFR §31.36(a).

Report: Better Planning, Execution and Communication Could Have Reduced the Delays in Completing a Toxicity Assessment of the Libby, Montana, Superfund Site

Report #13-P-0221, April 17, 2013. U.S. Environmental Protection Agency (EPA) action officials did not complete planned corrective actions under its Libby Action Plan in a timely manner.

Briefing Report: Improvements Needed in EPA’s Information Security Program

Report #13-P-0257, May 13, 2013. We found weaknesses in the following Agency programs regarding its information security program and practices.

Semiannual Report: Oct 1, 2012 - Mar 31, 2013

Semiannual Report #EPA-350-R-13-001, May, 2013. The EPA and the OIG remain responsible stewards of taxpayer dollars, striving to add value and transparency and assisting the agency in accomplishing its mission.

Compendium of Unimplemented Recommendations: Oct 1, 2012 - Mar 31, 2013

Compendium #13-N-0227, Apr 30, 2013. The OIG identified the unimplemented recommendations based on their significance, material impact, and status in the EPA’s Management Audit Tracking System, as well as through OIG review.

EPA's Key Management Challenges - 2013

We are pleased to provide you with a list of areas the Office of lnspector General considers as key management challenges confronting the U.S. Environmental Protection Agency.

Report: Examination of Costs Claimed Under Grant AB-83363501 Awarded to Lead Remediation Association of America

Report #13-P-0341, August 6, 2013. We found that LRAA’s financial management system did not meet the standards established under the Code of Federal Regulations at 40 CFR § 30.21.

Compendium of Unimplemented Recommendations: Oct 1, 2009 - Mar 31, 2010

Compendium #10-N-0114, Apr 28, 2010. The OIG’s previous Compendium reports appear to be having the intended effect of increasing Agency awareness and action on unimplemented OIG recommendations.

Report: EPA Can Better Address Risks to the Security of the Nation’s Drinking Water Through New Authorities, Plans, and Information

Report #13-P-0349, August 21, 2013. EPA has implemented a number of activities to promote the security of drinking water systems.

Report: EPA Activities Provide Limited Assurance of the Extent of Contamination and Risk at a North Carolina Hazardous Waste Site

Report #10-P-0130, May 17, 2010. The water and air quality sampling conducted at the Mills Gap Site has provided limited assurance of the extent of water and air contamination and risk at the Site.

Report: Public May Be Making Indoor Mold Cleanup Decisions Based on EPA Tool Developed Only for Research Applications

Report #13-P-0356, August 22, 2013. We substantiated the allegation that firms were using the mold index tool although the EPA had not validated the tool for public use.

Semiannual Report: Apr 1, 2013 - Sept 30, 2013

Semiannual Report #EPA-350-R-13-003, Nov, 2013. Our bottom line is simple: to assist both agencies in their missions of safeguarding the health of the American people and protecting the environment.

Opportunity to Comment on Draft Permit for the Charlo Wastewater Treatment Facility in Montana

Public notice of NPDES draft permit for Charlo WWTF in Montana.

Comments Due Date: November 17, 2025
Geographic Locations: Montana, Rocky Mountains

Compendium of Unimplemented Recommendations: Apr 1, 2013 - Sept 30, 2013

Compendium #14-N-0016, Nov 15, 2013. The OIG identified the unimplemented recommendations listed in this Compendium based on their significance, material impact, and status in the EPA’s Management Audit Tracking System.

Report: EPA Needs to Determine What Barriers Prevent Water Systems from Securing Known Supervisory Control and Data Acquisition (SCADA) Vulnerabilities

Report #2005-P-00002, January 6, 2005. SCADA networks were developed with little attention paid to security.