Water Reports

Ensuring that drinking water is safe and surface and groundwater sources are protected.



Reports Sorted by Topic: Water
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Report Title Date Agency Response IG Comment on Response
EPA Needs to Demonstrate Public Health Benefits of Drinking Water State Revolving Fund Projects, [Report PDF - 142pp, 2,458 KB] [At A Glance PDF - 400 KB] Dec 5, 2014    
EPA Region 6 Mismanaged Coastal Wetlands Planning, Protection and Restoration Act Funds [Report PDF - 50pp, 1,457 KB] [At A Glance PDF - 231 KB] [Agency Response to Draft Report PDF - 61pp, 3.3 MB] October 9, 2014    
More Action Is Needed to Protect Water Resources From Unmonitored Hazardous Chemicals, [Report PDF - 31pp, 1,098 KB] [At A Glance PDF - 173 KB] Sept 29, 2014    
Nutrient Pollution: EPA Needs to Work With States to Develop Strategies for Monitoring the Impact of State Activities on the Gulf of Mexico Hypoxic Zone [Report PDF - 35pp, 913KB] [At a Glance PDF - 174KB]
Podcast: Report Overview with Genevieve Soule (MP3 - 3.3 MBs, 4:37), Podcast Transcript
Sept 3, 2014 PDF - 4pp, 155KB PDF - 1pp, 182KB
Follow-Up Report: EPA Improves Management of Its Radiation Monitoring System [Report PDF - 12pp, 901KB] [At a Glance PDF - 228KB]
Podcast: Report Overview with Christine Baughman (MP3 - 3.8 MBs, 5:24), Podcast Transcript
July 22, 2014    
Unliquidated Obligations Resulted in Missed Opportunities to Improve Drinking Water Infrastructure [Report PDF - 35pp, 963KB] [At a Glance PDF - 227KB] July 16, 2014 PDF - 2pp, 117KB PDF - 3pp, 534KB
EPA Should Improve Oversight and Assure the Environmental Results of Puget Sound Cooperative Agreements [Report PDF - 28pp, 893KB] [At a Glance PDF - 175KB] July 15, 2014    
EPA Employees Did Not Act Consistently With Agency Policy in Assisting an EPA Grantee [Report PDF - 31pp, 2,520KB] [At a Glance PDF - 135KB] May 9, 2014    
EPA Needs to Clarify Its Claim of "No Net Loss" of Wetlands [Report PDF - 11pp, 672KB] [At a Glance PDF - 229KB] April 16, 2014    
EPA Needs to Continue to Improve Controls for Improper Payment Identification [Report PDF - 24pp, 250KB] [At a Glance PDF - 44KB] April 10, 2014    
Quick Reaction Report: EPA Oversight Needed to Ensure Beach Safety in U.S. Virgin Islands [Report PDF - 14pp, 266KB] [At a Glance PDF - 46KB] March 31, 2014    
Response to Congressional Inquiry Regarding the EPA's Emergency Order to the Range Resources Gas Drilling Company [Report PDF - 36pp, 868KB] [At a Glance PDF - 45KB] December 20, 2013    
The State of Colorado Did Not Fully Assure That Funds Intended to Treat Mining Wastes and Remove Contaminants from Water Were Effectively Spent [Report PDF - 30pp, 309KB] [At a Glance PDF - 45KB] Nov 19, 2013    
Environmental Benefits Being Considered in Award of Great Lakes Grants [Report PDF - 9pp, 186KB] [At a Glance PDF - 43KB] Nov 4, 2013    
American Recovery and Reinvestment Act Site Visit of Yauco – La Jurada Community Distribution System, Yauco, Puerto Rico [Report PDF - 11pp, 185KB] [At a Glance PDF - 43KB] Sept 23, 2013    
The EPA's Comments Improve the Environmental Impact Statement Process But Verification of Agreed-Upon Actions Is Needed [Report PDF - 17pp, 201KB] [At a Glance PDF - 45KB] August 22, 2013    
EPA Can Better Address Risks to the Security of the Nation's Drinking Water Through New Authorities, Plans, and Information, [Report PDF - 29pp, 673KB ] [At a Glance PDF - 1304KB] August 21, 2013    
EPA’s Handling of a Proposed Alternative Method for Measuring Oil and Grease in Wastewater Met Requirements But Controls Need to Be Strengthened [ Report PDF - 27pp, 269KB] [At a Glance PDF - 46KB] July 11, 2013    
Limitations on the EPA's Authority Under the Safe Drinking Water Act Resulted in Unaddressed Concerns at a Tribal Drinking Water Plant [Report PDF - 11pp, 225KB] [At a Glance PDF - 44KB] July 2, 2013    
Improved Internal Controls Needed in the Gulf of Mexico Program Office, Report No. 13-P-0271, [Report PDF - 33pp, 272KB ] [At a Glance PDF - 44KB] May 30, 2013    
EPA Oversight Addresses Thermal Variance and Cooling Water Permit Deficiencies But Needs to Address Compliance With Public Notice Requirements, Report No. 13-P-0264, [Report PDF - 19pp, 338KB ] [At a Glance PDF - 45KB] May 23, 2013    
Corrective Action Plan Needed in Order to Fully Comply With the Improper Payments Elimination and Recovery Act, Report No. 13-P-0175, [Report PDF - 28pp, 235KB ] [At a Glance PDF - 44KB] March 11, 2013    
EPA Could Improve Contingency Planning for Oil and Hazardous Substance Response, Report No. 13-P-0152, [Report PDF - 28pp, 601KB ] [At a Glance PDF - 44KB] February 15, 2013    
American Recovery and Reinvestment Act Site Visit of Combined Sewer Overflow Detention Facility, City of Goshen, Indiana [Report PDF - 19pp, 367KB] [At a Glance PDF - 38KB] January 8, 2013    
EPA’s Review of Applications for a Water Research Grant Did Not Follow All Review Procedures and Lacked Transparency, Report No. 12-P-0864, [Report PDF - 57pp, 487KB] [At a Glance PDF - 45KB] September 25, 2012    
American Recovery and Reinvestment Act Site Visit of Wastewater Treatment Plant Improvements Project, City of Nappanee, Indiana [PDF - 39pp, 506KB] [PDF - 44KB] September 12, 2012    
Examination of Costs Claimed Under EPA Cooperative Agreements CB-97324701 Through CB-97324705 Awarded to Alliance for the Chesapeake Bay, Inc. , Report No. 12-4-0720 [Report PDF - 36pp, 316KB] [At a Glance PDF - 44KB] August 22, 2012    
Costs Claimed by the North Carolina Rural Economic Development Center, Inc., Under EPA Grant No. X96418405 [Report PDF - 27pp, 240KB] [At a Glance PDF - 37KB] May 23, 2012 PDF - 149KB PDF - 466KB
Alleged Misuse of Tribal Clean Water Act Section 106 Funds in EPA Region 8 Report No. 12-P-0453 [Report PDF - 21pp, 236KB] [At a Glance PDF - 37KB] May 4, 2012 PDF - 392KB PDF - 686KB
Weaknesses in EPA’s Management of the Radiation Network System Demand Attention, [Report PDF - 50pp, 574KB ] [At a Glance PDF - 39KB] April 19, 2012 PDF - 1,595KB (Initial)
PDF - 96KB (Second)>
PDF - 367KB (Third)
PDF - 367KB (Initial)
PDF - 218KB (Second)
PDF - 261KB (Third)
Great Lakes National Program Should Improve Internal Controls to Ensure Effective Legacy Act Operations, [Report PDF - 30pp, 294KB ] [At a Glance PDF - 43KB] April 9, 2012    
American Recovery and Reinvestment Act Site Visit of Wastewater Treatment Plant, Village of Itasca, Illinois Report No. 12-R-0377 [Report PDF - 37pp, 490KB] [At a Glance PDF - 37KB] March 30, 2012
American Recovery and Reinvestment Act Site Visit of the Botanic Garden of Western Pennsylvania Report No. 12-R-0321 [Report PDF - 56pp, 1,449KB] [At a Glance PDF - 38KB] March 8, 2012 PDF - 1,312KB (Initial)
PDF - 1,298KB (Second)
EPA Can Improve Its Improper Payments Reporting, Report No. 12-P-0311, [Report PDF - 25pp, 225KB ] [At a Glance PDF - 38KB] March 1, 2012
Controls Over State Underground Storage Tank Inspection Programs in EPA Regions Generally Effective Report No. 12-P-0289 [Report PDF - 16pp, 253KB] [At a Glance PDF - 58KB] February 15, 2012
EPA Needs to Further Improve How It Manages Its Oil Pollution Prevention Program, Report No. 12-P-0253 [Report PDF - 55pp, 722KB] [At a Glance PDF - 38KB] February 6, 2012
EPA Should Strengthen Records Management on Clean Water Act Section 404 Permit Notification Reviews for Surface Coal Mining, Report No. 12-P-0249 [Report PDF - 18pp, 251KB] [At a Glance PDF - 37KB] February 2, 2012 PDF 6pp, 1,183 KB PDF 2pp, 375 KB
EPA Policy on Financing Local Reserves Needs Revision Report No. 12-P-0231 [Report PDF - 11pp, 163KB] [At a Glance PDF - 36KB] January 25, 2012    
Examination of Costs Claimed Under Cooperative Agreement X7-83325501 Awarded to Kathleen S. Hill, Chiloquin, Oregon Report No. 12-4-0224 [Report PDF - 85pp, 640KB] [At a Glance PDF - 85KB] January 23, 2012 PDF 31pp, 748 KB PDF 1pp, 127 KB
Close-Out of Hotline Complaint on Unreasonable Cost Increase to the Wastewater Treatment Facility Improvements, Perkins, Oklahoma Report No. 12-X-0161 [Report PDF - 5pp, 161KB] December 29, 2011    
EPA Must Improve Oversight of State Enforcement Report No. 12-P-0113 [Report PDF - 79pp, 582KB] [At a Glance PDF - 38KB] December 9, 2011
American Recovery and Reinvestment Act Site Visit of the Elizabeth City Well Field Expansion Project, Elizabeth City, North Carolina Report No. 12-R-0109 [Report PDF - 18pp, 245KB] [At a Glance PDF - 36KB] December 8, 2011    
Enhanced Coordination Needed to Ensure Drinking Water State Revolving Funds Are Used to Help Communities Not Meeting Standards Report No. 12-P-0102 [Report PDF - 22pp, 225KB] [At a Glance PDF - 37KB] December 1, 2011    
Close-Out of Complaint on Metropolitan Water Reclamation District of Greater Chicago Incurring Inappropriate Expenses on Recovery Act Projects Report No. 12-X-0090 [Report PDF - 7pp, 168KB] [At a Glance PDF - 36KB] November 22, 2011    
Congressionally Requested Information on the Status and Length of Review for Appalachian Surface Mining Permit Applications, Report No. 12-P-0083 [Report PDF - 64pp, 660KB] [At a Glance PDF - 111KB] November 21, 2011    
EPA Should Clarify and Strengthen Its Waste Management Oversight Role With Respect to Oil Spills of National Significance, Report No. 11-P-0706 [Report PDF - 50pp, 1,040KB] [At a Glance PDF - 38KB] September 26, 2011 PDF 9pp, 1.6MB PDF 2pp, 243KB
American Recovery and Reinvestment Act Site Visit of Wastewater Treatment Plant- Phase II Improvements Project, City of Ottawa, Illinois, Report No. 11-R-0700 [Report PDF - 45pp, 699KB] [At a Glance PDF - 38KB] September 23, 2011 Decision Memorandum In Response to "Full Resolution Materials" - PDF 7pp, 213KB

Attachments to "Decision Memorandum" - PDF 130pp, 5,065KB
Full Resolution Materials - PDF 79pp, 6,931KB
Revisions Needed to National Contingency Plan Based on Deepwater Horizon Oil Spill, Report No. 11-P-0534 [Report PDF - 42pp, 954KB] [At a Glance PDF - 39KB] August 25, 2011 PDF 2pp, 629 KB (ORD)
PDF 3pp, 562 KB (OSWER - Initial)
PDF 2pp, 276 KB (OSWER - Second)
PDF 5pp, 295 KB (ORD)
PDF 6pp, 1,096 KB (OSWER - Initial)
PDF 4pp, 695 KB (OSWER - Second)
EPA's Gulf Coast Oil Spill Response Shows Need for Improved Documentation and Funding Practices, Report No. 11-P-0527 [Report PDF - 42pp, 221KB] [At a Glance PDF - 34KB] August 25, 2011 PDF - 4pp, 506KB (Initial)
PDF 4pp, 505KB (Second)
PDF - 2pp, 343KB (Initial)
PDF 5pp, 645 KB (Second)
EPA and States Should Strengthen Oversight of Clean Water State Revolving Fund Recovery Act Projects, Report No. 11-R-0519 [Report PDF - 42pp, 697KB] [At a Glance PDF - 37KB] August 24, 2011 PDF 4pp, 189KB PDF 1pp, 203 KB
Agency-Wide Application of Region 7 NPDES Program Process Improvements Could Increase EPA Efficiency, Report No. 11-P-0315 [Report PDF - 41pp, 415KB] [At a Glance PDF - 38KB] July 6, 2011 PDF 3pp,714K PDF 1pp,152K
Region 4 Should Strengthen Oversight of Georgia's Concentrated Animal Feeding Operation Program, Report No. 11-P-0274 [Report PDF - 17pp, 190KB] [At a Glance PDF - 38KB] June 23, 2011 PDF 2pp,364KB PDF 1pp,181KB
American Recovery and Reinvestment Act Site Visit of the Clifton Street Sewer Separation and Water Main Replacement Projects, Portland, Maine, Report No. 11-R-0248 [Report PDF - 11pp, 156KB] [At a Glance PDF - 37KB] June 7, 2011    
American Recovery and Reinvestment Act Site Visit of Las Marias Potable Water System Phase IIA Project, Las Marias, Puerto Rico, Report No. 11-R-0241 [Report PDF - 9pp, 134KB] [At a Glance PDF - 59KB] May 25, 2011    
American Recovery and Reinvestment Act Site Visit of Sanitary Sewer System Improvements, Ingenio Community, Toa Baja, Puerto Rico, Report No. 11-R-0233 [Report PDF - 12pp, 254KB] [At a Glance PDF - 37KB] May 24, 2011    
American Recovery and Reinvestment Act Site Visit of the La Plata Water Treatment Plant Phase II Project, Aibonito, Puerto Rico, Report No. 11-R-0232 [Report PDF - 12pp, 169KB] [At a Glance PDF - 37KB] May 23, 2011    
EPA Should Reduce Unliquidated Obligations Under Expense Reimbursement Grants, Report No. 11-P-0228 [Report PDF - 20pp, 128KB] [At a Glance PDF - 38KB] May 16, 2011    
American Recovery and Reinvestment Act Site Visit of the Wastewater Treatment Facility Expansion, Town of Buckeye, Arizona, Report No. 11-R-0222 [Report PDF - 12pp, 169KB] [At a Glance PDF - 37KB] May 9, 2011    
Oversight of North Carolina's Renewals of Thermal Variances, Report No. 11-P-0221 [Report PDF - 17pp, 106KB] [At a Glance PDF - 37KB] May 9, 2011 PDF 4pp,757KB PDF 1pp,155KB
EPA's Endocrine Disruptor Screening Program Should Establish Management Controls to Ensure More Timely Results, Report No. 11-P-0215 [Report PDF - 35pp, 412KB] [At a Glance PDF - 39KB] May 3, 2011 PDF 6pp, 934KB (Initial)
PDF 7pp, 665KB (Second)
PDF 8pp, 1,137KB (Third)
PDF 7pp, 1.2MB (Initial)
PDF 6pp, 1MB (Second)
PDF 6pp, 1,052KB (Third)
American Recovery and Reinvestment Act Site Visit of the Wastewater Treatment Facility Improvements Project, Perkins, Oklahoma, Report No. 11-R-0214 [Report PDF - 9pp, 130KB] [At a Glance PDF - 35KB] May 2, 2011    
American Recovery and Reinvestment Act Site Visit of Water System Improvement Project, Waleska, Georgia Report No. 11-R-0193 [Report PDF - 17pp, 229KB] [At a Glance PDF - 37KB] March 29, 2011    
American Recovery and Reinvestment Act Site Visit of the Comprehensive Sewer System Rehabilitation, Subsystem PS-5, Saugus, Massachusetts, Report No. 11-R-0192 [Report PDF - 9pp, 197KB] [At a Glance PDF - 35KB] March 29, 2011    
American Recovery and Reinvestment Act Site Visit of the Denver Street Storage Project, City of Astoria, Oregon, Report No. 11-R-0172 [Report PDF - 16pp, 251KB ] [At a Glance PDF - 44KB] March 22, 2011    
EPA Region 3 Reduced Unliquidated Obligations Under Water Program Assistance Agreements, Report No. 11-P-0170 [Report PDF - 17pp, 115KB ] [At a Glance PDF - 36KB] March 15, 2011    
American Recovery and Reinvestment Act Site Inspection of Sewer System Improvement Projects, City of Parma, Ohio, Report No. 11-R-0083 [Report PDF - 9pp, 161KB] [At a Glance PDF - 36KB] February 3, 2011    
American Recovery and Reinvestment Act Site Inspection of the Clean Water State Revolving Fund Projects at the City of Long Beach, California, Report No. 11-R-0082 [Report PDF - 12pp, 142KB] [At a Glance PDF - 39KB] February 1, 2011    
Leaking Underground Storage Tank Recovery Act Grants Contained Requirements but Priority Lists Need More Oversight, Report No. 11-R-0018 [Report PDF - 20pp, 139KB] [At a Glance PDF - 37KB] November 23, 2010    
EPA’s Terms and Conditions as Well as Process to Award Recovery Act Interagency Agreements Need Improvement, Report No. 11-R-0016 [Report PDF - 35pp, 520KB] [At a Glance PDF - 34KB] November 16, 2010 PDF - 338KB PDF - 29KB
American Recovery and Reinvestment Act Site Inspection of Sewer Pump Station Rehabilitation and Improvements, Town of Ball, Louisiana, Report No. 11-R-0014 [Report PDF - 9pp, 155KB] [At a Glance PDF - 39KB] November 9, 2010    
EPA Lacks Internal Controls to Prevent Misuse of Emergency Drinking Water Facilities , Report No. 11-P-0001 [Report PDF - 24pp, 219KB] [At a Glance PDF - 35KB] October 12, 2010    
Costs Claimed by the Alaska Native Tribal Health Consortium Under EPA Interagency Agreement DW 75-95754001, Report No. 10-4-0241 [Report PDF - 88pp, 601KB] [At a Glance PDF - 42KB] September 30, 2010    
EPA Should Revise Outdated or Inconsistent EPA-State Clean Water Act Memoranda of Agreement, Report No. 10-P-0224 [Report PDF - 35pp, 279KB] [At a Glance PDF - 34KB] September 14, 2010 PDF - 2pp, 272KB PDF - 4pp, 443KB
American Recovery and Reinvestment Act Site Inspection of the High-Rate Water Treatment Facility, City of Newark, Ohio, Report No. 10-R-0147 [Report PDF - 9pp, 140KB] [At a Glance PDF - 39KB] June 16, 2010    
American Recovery and Reinvestment Act Site Inspection of the Ultraviolet Treatment and Chlorine Disinfection Facility Project, City of Bremerton, Washington, , Report No. 10-R-0132 [Report PDF - 8pp, 104KB] [At a Glance PDF - 39KB] May 26, 2010    
Examination of Costs Claimed under EPA Grant XP98069201 Awarded to the City of Blackfoot, Idaho, Report No. 10-4-0086 [Report PDF - 15pp, 117KB] [At a Glance PDF - 46KB] March 29, 2010    
EPA Needs Procedures to Address Delayed Earmark Projects, Report No. 10-P-0081 [Report PDF - 25pp, 212KB] [At a Glance PDF - 40KB] March 22, 2010    
American Recovery and Reinvestment Act Site Inspection of Water Main Extension Project, Manchester Water Works, Manchester, New Hampshire, Report No. 10-R-0080 [Report PDF - 9pp, 133KB] [At a Glance PDF - 39KB] March 17, 2010    
American Recovery and Reinvestment Act Site Inspection of the Water Distribution System, Village of Buckeye Lake, Ohio, Report No. 10-R-0079 [Report PDF - 8pp, 123KB] [At a Glance PDF - 31KB] March 10, 2010    
EPA Needs Definitive Guidance for Recovery Act and Future Green Reserve Projects, Report No. 10-R-0057 [Report PDF - 16pp, 265KB] [At a Glance PDF - 41KB] February 1, 2010    
Examination of Costs Claimed under EPA Grant X96906001 Awarded to Walker Lake Working Group, Hawthorne, Nevada, Report No. 10-2-0054 [Report PDF - 15pp, 131KB] [At a Glance PDF - 47KB] January 6, 2010    
EPA Action Needed to Ensure Drinking Water State Revolving Fund Projects Meet the American Recovery and Reinvestment Act Deadline of February 17, 2010, Report No. 10-R-0049 [Report PDF - 53pp, 319KB] December 17, 2009    
Costs Claimed Under EPA Grant XP9468195 Awarded to the City of Flowood, Mississippi, Report No. 10-4-0013 [Report PDF - 16pp, 145KB] [At a Glance PDF - 40KB] October 27, 2009    
EPA Needs a Better Strategy to Identify Violations of Section 404 of the Clean Water Act, Report No. 10-P-0009 [Report PDF - 29pp, 491KB] [At a Glance PDF - 94KB] October 26, 2009    
Costs Claimed Under EPA Grant XP97424901 Awarded to West Rankin Utility Authority, Flowood, Mississippi, Report No. 10-4-0003 [Report PDF - 21pp, 200KB] [At a Glance PDF - 41KB] October 13, 2009    
EPA Needs a Cohesive Plan to Clean Up the Great Lakes Areas of Concern , Report No. 09-P-0231 [Report PDF - 15pp, 337KB] [At a Glance PDF - 48KB] September 14, 2009    
EPA Needs to Accelerate Adoption of Numeric Nutrient Water Quality Standards, Report No. 09-P-0223 [Report PDF - 23pp, 319KB] [At a Glance PDF - 56KB] August 26, 2009    
Congressionally Requested Report on Comments Related to Effects of Jurisdictional Uncertainty on Clean Water Act Implementation, Report No. 09-N-0149 [Report PDF - 16pp, 153KB] April 30 , 2009    
EPA Region 10 Took Adequate Corrective Actions for Alaska Village Safe Water Program, Report No. 09-P-0085 [Report PDF - 16pp, 224KB] [At a Glance PDF - 47KB] January 21, 2009    
Costs Claimed under EPA Grant XP98011401 Awarded to the City of Rupert, Idaho, Report No. 09-2-0078 [Report PDF - 11pp, 207KB] [At a Glance PDF - 101KB] January 12, 2009    
Costs Claimed under EPA Grants XP96909501 and XP97963701 Awarded to the Washoe County Department of Water Resources, Nevada, Report No. 09-2-0011 [Report PDF - 27pp, 504KB] [At a Glance PDF - 56KB] October 20, 2008    
Innovative Techniques for State Monitoring of Revolving Funds Noted, Report No. 08-P-0290 [Report PDF - 16pp, 263KB] [At a Glance PDF - 45KB] September 29, 2008    
EPA Has Initiated Strategic Planning for Priority Enforcement Areas, but Key Elements Still Needed, Report No. 08-P-0278 [Report PDF - 40pp, 403KB] [At a Glance PDF - 55KB] September 25, 2008    
EPA Assisting Tribal Water Systems but Needs to Improve Oversight, Report No. 08-P-0266 [Report PDF - 32pp, 482KB] [At a Glance PDF - 100KB] September 16, 2008    
Passaic Valley Sewerage Commissioners - Unallowable Costs Claimed Under EPA Grant XP98237601, Report No. 08-2-0226 [Report PDF - 9pp, 221KB] [At a Glance PDF - 97KB] August 6, 2008    
Village of Wellsville, Ohio - Ineligible Costs Claimed Under EPA Grant XP97582801, Report No. 08-2-0204 [Report PDF - 11pp, 168KB] [At a Glance PDF - 48KB] July 21, 2008    
EPA Needs to Better Report Chesapeake Bay Challenges, Report No. 08-P-0199 [Report PDF - 40pp, 3.76MB] [At a Glance PDF - 226KB] July 14, 2008    
Millions of Federal Dollars Remain for Colonias Projects, Report No. 08-P-0184 [Report PDF - 17pp, 299KB] [At a Glance PDF - 50KB] June 23, 2008    
Improvements Needed to Ensure Grant Funds for U.S.-Mexico Border Water Infrastructure Program Are Spent More Timely, Report No. 08-P-0121 [Report PDF - 34pp, 449KB] [At a Glance PDF - 58KB] March 31, 2008    
Summary of Recent Developments in EPA's Drinking Water Program and Areas for Additional Focus, Report No. 08-P-0120 [Report PDF - 46pp, 569KB] [At a Glance PDF - 59KB] March 31, 2008    
City of Bad Axe, Michigan - Unallowable Costs Claimed Under EPA Grant XP98578301, Report No. 08-2-0095 [Report PDF - 9pp, 176KB] [At a Glance PDF - 48KB] February 27, 2008    
Borough of Carteret, New Jersey - Unallowable Costs Claimed Under EPA Grant XP98247001, Report No. 08-2-0084 [Report PDF - 11pp, 178KB] [At a Glance PDF - 51KB] February 20, 2008    
City of Elizabeth, New Jersey -Excess Clean Water State Revolving Funds Claimed, Report No. 08-2-0062 [Report PDF - 9pp, 116KB] [At a Glance PDF - 49KB] January 23, 2008    
Despite Progress, EPA Needs to Improve Oversight of Wastewater Upgrades in the Chesapeake Bay Watershed, Report No. 08-P-0049 [Report PDF - 39pp, 477KB ] [At a Glance PDF - 51KB] January 8, 2008    
Unallowable Federal Funds Drawn on EPA Grant No. XP98247201 Awarded to the Wayne County Water and Sewer Authority, New York, Report No. 08-2-0045 [Report PDF - 9pp, 185KB ] [At a Glance PDF - 48KB] December 17, 2007    
Village of Laurelville, Ohio - Unallowable Costs Claimed Under EPA Grant XP97579701, Report No. 2008-2-0039 [Report PDF - 9pp, 116KB] [At a Glance PDF - 54KB] December 05, 2007    
Cost and Lobbying Disclosure Issues Under EPA Grant Numbers X98981901 and XP97914901 Awarded to the City of Fallon, Nevada, Report No. 2007-2-00040 [Report PDF - 12pp, 195KB] [At a Glance PDF - 107KB] September 26, 2007    
Ineligible Federal Funds Drawn on EPA Grant No. XP98284701 Awarded to the City of Middletown, New York, Report No. 2007-2-00039 [Report PDF - 9pp, 116KB] [At a Glance PDF - 48KB] September 25, 2007    
Cheyenne River Sioux Tribe Outlays Reported Under Five EPA Assistance Agreements, Report No. 2007-4-00078 [Report PDF - 50pp, 703KB] [At a Glance PDF - 62KB] September 24, 2007    
Decision Needed on Regulating the Cooling Lagoons at the North Anna Power Station, Report No. 2007-P-00038 [Report PDF - 11pp, 240KB] [At a Glance PDF - 50KB] September 20, 2007    
Total Maximum Daily Load Program Needs Better Data and Measures to Demonstrate Environmental Results, Report No. 2007-P-00036 [Report PDF - 30pp, 284KB] [At a Glance PDF - 62KB] September 19, 2007    
Complete Assessment Needed to Ensure Rural Texas Community Has Safe Drinking Water Report No. 2007-P-00034 [Report PDF - 23pp, 498KB] [At a Glance PDF - 51KB] September 11, 2007    
Development Growth Outpacing Progress in Watershed Efforts to Restore the Chesapeake Bay, Report No. 2007-P-00031 [Report PDF - 36pp, 1MB] [At a Glance PDF - 63KB] September 10, 2007    
Federal Facilities in Chesapeake Bay Watershed Generally Comply with Major Clean Water Act Permits, Report No. 2007-P-00032 [Report PDF - 15pp, 314KB] [At a Glance PDF - 61KB] September 5, 2007    
Excess Federal Funds Drawn on EPA Grant No. XP98838901 Awarded to the City of Huron, South Dakota, Report No. 2007-2-00030 [Report PDF - 9pp, 224KB] [At a Glance PDF - 113KB] August 1, 2007    
Assessment of EPA’s Projected Pollutant Reductions Resulting from Enforcement Actions and Settlements, Report No. 2007-B-00002 [Report PDF - 44pp, 332KB] [At a Glance PDF - 51KB] July 24, 2007    
EPA Can Improve Its Oversight of Audit Followup, Report No. 2007-P-00025 [Report PDF - 28pp, 254KB] [At a Glance - 60KB] May 24, 2007    
Better Enforcement Oversight Needed for Major Facilities with Water Discharge Permits in Long-Term Significant Noncompliance, Report No. 2007-P-00023 [Report PDF - 48pp, 655KB] [At a Glance PDF - 51KB] May 14, 2007    
Promoting Tribal Success in EPA Programs, Report No. 2007-P-00022 [Report PDF - 12pp, 237KB] [At a Glance - 60KB] [EPA-DOI JOint Report: Tribal Successes - Protecting the Environment and Natural Resources, 44pp, 3.5MB] May 3, 2007    
EPA’s Allowing States to Use Bonds to Meet Revolving Fund Match Requirements Reduces Funds Available for Water Projects, Report No. 2007-P-00012 [Report PDF - 33pp, 695KB] [At a Glance PDF - 51KB] March 29, 2007    
EPA Relying on Existing Clean Air Act Regulations to Reduce Atmospheric Deposition to the Chesapeake Bay and its Watershed, Report No. 2007-P-00009 [Report PDF - 23pp, 403KB] [At a Glance PDF - 52KB] Feb. 28, 2007    
State of New Hampshire Drinking Water State Revolving Fund Program Financial Statements for the Year Ended June 30, 2005, Report No. 2007-1-00044 [Report PDF - 32pp, 353KB] [At a Glance PDF - 58KB] Feb. 26, 2007    
America's Clean Water Foundation Incurred Costs for EPA Assistance Agreements X82835301, X783142301, and X82672301, Report No. 2007-4-00045, [Report PDF - 38pp, 476KB] [At a Glance PDF - 52KB] Feb. 20, 2007    
Saving the Chesapeake Bay Watershed Requires Better Coordination of Environmental and Agricultural Resources, EPA OIG Report No. 2007-P-00004, [Report PDF - 69pp, 1.8MB] [At a Glance PDF - 57KB] Nov. 20, 2006    
Promising Techniques Identified to Improve Drinking Water Laboratory Integrity and Reduce Public Health Risks, Report No. 2006-P-00036 [Report PDF - 77pp, 765KB] [At a Glance PDF - 51KB] [Supplemental Report PDF - 24pp,414KB] Sept. 21, 2006    
Lessons Learned: EPA’s Response to Hurricane Katrina, Report No. 2006-P-00033, [Report PDF - 29pp, 289KB] [At a Glance PDF - 55KB] Sept. 14, 2006    
EPA Grants to the National Rural Water Association, Report No. 2006-S-00005[Report PDF - 27pp, 327KB] [At a Glance - 49KB] Sept. 12, 2006    
EPA Grants Supported Restoring the Chesapeake Bay, Report No. 2006-P-00032, [Report PDF - 17pp, 368KB] [At a Glance PDF - 50KB] Sept. 6, 2006    
Congressional Request Regarding EPA Grants to the National Rural Water Association, Report No. 2006-S-00003 [Report - 270KB PDF, 16pp] [At a Glance - 51KB PDF] May 30, 2006    
Much Effort and Resources Needed to Help Small Drinking Water Systems Overcome Challenges, Report No. 2006-P-00026 [Report - 1.6MB PDF, 61pp] [At a Glance - 49KB PDF] May 30, 2006    
Information Security Series: Security Practices, Safe Drinking Water Information System, Report No. 2006-P-00021 [Report - 142KB PDF, 14pp] [At a Glance - 66KB PDF] March 30, 2006    
EPA Provided Quality and Timely Information Regarding Wastewater after Hurricane Katrina, Report No. 2006-P-00018 [Report - 189KB PDF, 15pp] [At a Glance - 63KB PDF] March 28, 2006    
EPA Can Better Implement Its Strategy for Managing Contaminated Sediments, Report No. 2006-P-00016 [Report - 1686KB PDF, 44pp] [At a Glance - 43KB PDF] March 15, 2006    
EPA Office of Air and Radiation and Office of Water Can Further Limit Use of Level-of-Effort Contracts, Report No. 2006-P-00015 [Report - 249KB PDF, 22pp] [At a Glance - 51KB PDF] March 15, 2006    
EPA’s and Louisiana’s Efforts to Assess and Restore Public Drinking Water Systems after Hurricane Katrina, Report No. 2006-P-00014 [Report - 219KB PDF, 16pp] [At a Glance - 52KB PDF] March 7, 2006    
EPA’s and Mississippi’s Efforts to Assess and Restore Public Drinking Water Supplies after Hurricane Katrina, Report No. 2006-P-00011 [Report - 298KB PDF, 15pp] [At a Glance - 47KB PDF] February 14, 2006    
State of Nevada Clean Water State Revolving Fund Program Financial Statements for Year Ended June 30, 2004, Report No. 2006-1-00024 [Report - 225KB PDF, 23pp] [At a Glance - 54KB PDF] January 23, 2006    
State of Oregon Clean Water State Revolving Fund Program Financial Statements for the Year Ended June 30, 2005, Report No. 2006-1-00021 [Report - 250KB PDF, 19pp] [At a Glance - 49KB PDF] January 12, 2006    
Sustained Commitment Needed to Further Advance Watershed Approach, Report No. 2005-P-00025 [Report - 621KB PDF, 63pp] [At a Glance- 58KB PDF] September 21, 2005    
Progress Report on Drinking Water Protection Efforts, Report No. 2005-P-00021 [Report - 388KB PDF, 52pp] [Supplemental Report - 371KB PDF, 27pp] [At a Glance - 60KB PDF] August 22, 2005    
Efforts to Manage Backlog of Water Discharge Permits Need to Be Accompanied by Greater Program Integration, Report No. 2005-P-00018 [Report - 526KB PDF, 87pp ] [At a Glance - 41KB PDF] June 13, 2005    
Source Water Assessment and Protection Programs Show Initial Promise, But Obstacles Remain, Report No. 2005-P-00013 [Report - 626KB PDF, 56 pp ] [At a Glance - 42KB PDF] March 28, 2005    
EPA Needs to Determine What Barriers Prevent Water Systems from Securing Known Supervisory Control and Data Acquisition (SCADA) Vulnerabilities, Report No. 2005-P-00002 [Report - 1MB PDF, 59pp ] [At a Glance - 86KB PDF] [Appendix: OIG/ORD/OW SCADA Meeting - 1MB PPS] January 6, 2005    
Congressionally Requested Review of EPA Region 3's Oversight of State National Pollutant Discharge Elimination System Permit Programs, Report No. 2005-S-00002 [Report-436KB PDF] [At a Glance-274KB PDF] October 29, 2004    
Congressional Request Regarding EPA Clean Water Enforcement Actions, Report No. 2005-S-00001 [Report-609KB PDF ] [At a Glance-281KB PDF] October 18, 2004    
EPA Needs to Reinforce Its National Pretreatment Program, Report No. 2004-P-00030 [201KB PDF] September 28, 2004    
Effectiveness of Effluent Guidelines Program for Reducing Pollutant Discharges Uncertain, Report No. 2004-P-00025 [311 KB] August 24, 2004    
Stronger Leadership Needed to Develop Environmental Measures for Clean Water State Revolving Fund, Report No. 2004-P-00022 [396KB PDF] June 23, 2004    
States Making Progress on Source Water Assessments, But Effectiveness Still to Be Determined, Report No. 2004-P-00019 [160KB PDF] May 27, 2004    
Missouri Department of Natural Resources State Revolving Funds Financial Statements with Independent Auditor’s Report, June 30, 2003, Audit Report Number 2004-1-00057 Issued [636KB PDF] May 6, 2004    
State of Washington Water Pollution Control State Revolving Fund, Report No. 2004-I-00067 [215KB PDF] May 26, 2004    
EPA Claims to Meet Drinking Water Goals Despite Persistent Data Quality Shortcomings [209KB PDF] March 05, 2004    
Impact of EPA and State Drinking Water Capacity Development Efforts Uncertain [254KB PDF] September 30, 2003    
EPA Needs to Assess the Quality of Vulnerability Assessments Related to the Security of the Nation’s Water Supply [101KB PDF]
September 24, 2003    
Auditor’s Report for the South Carolina Clean Water State Revolving Fund Program (the Program) as of June 30, 2002, Audit Report No. 2003-1-00139 [246KB PDF] September 17, 2003    
Auditor’s Report for the South Carolina Drinking Water State Revolving Fund Program (the Program) as of June 30, 2002, Audit Report No.2003-1-00138 [272KB PDF] September 17, 2003    
EPA Needs a Better Strategy to Measure Changes in the Security of the Nation’s Water Infrastructure [93KB PDF] September 11, 2003    
EPA Should Take Further Steps to Address Funding Shortfalls and Time Slippages in Permit Compliance System Modernization Effort [65KB PDF] May 20, 2003    
Auditor's Report for the New Hampshire Drinking Water State Revolving Fund Program (the Program) as of June 30, 2002 [488KB PDF] March 27, 2003    
Auditor's Report for the New Hampshire Clean Water State Revolving Fund Program (the Program) as of June 30, 2002 [419KB PDF] March 26, 2003    
Auditor's Report for the Washington Drinking Water State Revolving Fund as of June 30, 2001 [142KB PDF] February 21, 2003    
Auditor's Report for the Nevada Clean Water State Revolving Fund as of June 30, 2001 [412KB PDF] February 5, 2003    
Auditor's Report for the Nevada Drinking Water State Revolving Fund as of June 30, 2001 [587KB PDF] January 21, 2003    
EPA Oversight of Cleanup Actions at the Savannah River Nuclear Facility [762KB PDF] September 26, 2002    
EPA Audit Guide for Clean Water and Drinking Water State of Revolving Fund Programs [340KB PDF] September 11, 2002    
Wastewater Management: Controlling and Abating Combined Sewer Overflows [1.21MB PDF] August 26, 2002    
Status Report: Land Application of Biosolids Report No. 2002-S-000004 [485KB PDF] March 28, 2002    
Audit Report Pennsylvania's Reporting of Safe Drinking Water Violations [PDF- 124KB] March 25, 2002    
Water Enforcement: State Enforcement of Clean Water Act Dischargers Can Be More Effective - (2001-P-00013) [PDF - 800 Kb] August 14, 2001    
Region III's National Pollutant Discharge Elimination System Permit Program - (2001-P-00012) [PDF - 265 Kb] June 25, 2001    
WATER - Improvements to Louisiana's Water Quality Standards, Monitoring, and Reporting Program Would Better Protect State Waters - (2000-P-2000185-00022) [PDF - 139Kb] September 29, 2000    
WATER - Proactive Approach Would Improve EPA's Water Quality Standards Program - (2000-P-001385-00023) [PDF - 140Kb] September 29, 2000    
WATER - North Carolina NPDES Enforcement and EPA Region 4 Oversight, Report No. 2000-P-00025 [PDF - 697Kb] September 28, 2000    
Water: Mississippi's Water Quality Standards, Monitoring and Reporting (99P-219) [PDF - 247Kb] , [Exec Summary] September 29, 1999    
Water: EPA's Great Lakes Program (99P-212) [PDF - 1,041Kb] , [Exec Summary] September 1, 1999    
Water: New Jersey's Water Quality Monitoring Program (99P-225) [PDF - 111Kb], [Exec Summary] July 21, 1999    
Water: Ohio's Water Quality Program (99P-210) [PDF - 114Kb], [Exec Summary] June 30, 1999    
Oregon's Water Quality Program (9100119) [PDF - 91Kb] March 31, 1999    
Region III Water Quality, Standards, Monitoring and Reporting (9100118) [PDF - 300Kb] March 31, 1999    
Colorado Water Quality Standards, Monitoring, and Reporting Program (9100093) [PDF - 200Kb] March 10, 1999    
Region 5 Section 106 Tribal Water Grants (9100094) [PDF - 127Kb] March 5 , 1999    
Office of Water Data Integration Efforts (8100177) [PDF - 85Kb] June 22, 1998    
Kansas National Pollutant Discharge Elimination System Program (8100089) [PDF - 40Kb] March 31, 1998    
Missouri's Water Quality Standards and Monitoring (8100080) [Executive Summary], [PDF - 173Kb] March 31, 1998    
Region 10's National Pollutant Discharge Elimination System Permit Program (8100076) [Executive Summary], [PDF - 173Kb] March 13, 1998    
Region 8's Nonpoint Source Grant Oversight Needs Improvement (7100304) [Exec. Summary], [PDF - 139Kb] September 30, 1997    
Region 3's Oversight of Safe Drinking Water Act Activities (6100310) [PDF] February 2, 1997    
EPA Procedures to Ensure Drinking Water Integrity [Summary] | [Full text] November 26, 1996    
Survey Report on the Cross Connection Control Program [Full text] November 25, 1996    
GMPO's Planning, Organizing and Funding of the 1995 Gulf of Mexico Symposium [Summary] | [Full text] November 21, 1996    
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