185 documented enforcement actions across 45 regulated industries
| Entity | Location | Year | Industry | Penalty | Deaths |
|---|---|---|---|---|---|
| Bucks County Water and Sewer Authority | Doylestown, PA | 2014 | Community Water Systems | $450,000 | |
| City of Jackson, Mississippi | Jackson, MS | 2005 | Community Water Systems | $437,916 | |
| Court Approves Department of Justice and Army Corps of Engineers | , FL | 2016 | Community Water Systems | $400,000 | |
| City of Meridian, Mississippi | Meridian, MS | 2012 | Community Water Systems | $276,000 | |
| District of Columbia Water and Sewer Authority (DC Water) | Washington, DC | 2000 | Community Water Systems | $250,000 | |
| Stillwater Man | , NY | 2026 | Community Water Systems | $250,000 | |
| Former Federal Correctional Officer | , | 2026 | Community Water Systems | $250,000 | |
| Lynn Man | , CA | 2025 | Community Water Systems | $250,000 | |
| Wareham Man | , MA | 2026 | Community Water Systems | $250,000 | |
| Empire Resident Indicted for Deepwater Horizon | , LA | 2017 | Community Water Systems | $250,000 | |
| Troutdale Woman | , OR | 2026 | Community Water Systems | $250,000 | |
| City of Elyria, Ohio | Elyria, OH | 2010 | Community Water Systems | $200,000 | |
| City of Lancaster, Pennsylvania | Lancaster, PA | 2005 | Community Water Systems | $135,000 | |
| MCI BRIDGEWATER | , | 1996 | Community Water Systems | $125,000 | |
| City of Lakewood, Ohio | Lakewood, OH | 2016 | Community Water Systems | $100,000 | |
| Obtains $100,000 | , WI | 2015 | Community Water Systems | $100,000 | |
| SAN DIEGO GAS & ELECTRIC | SAN DIEGO, CA | 2008 | Community Water Systems | $79,030 | |
| LANCASTER AREA SEWER AUTHORITY | , | 1990 | Community Water Systems | $60,000 | |
| LARIAT SERVICES, INC. | CLARK, CO | 2006 | Community Water Systems | $58,500 | |
| City of Middletown, Ohio | Middletown, OH | 2010 | Community Water Systems | $55,000 | |
| NORTHWESTERN ENERGY, INC. | BILLINGS, MT | 2007 | Community Water Systems | $55,000 | |
| PNM | WATERFLOW, NM | 2009 | Community Water Systems | $52,500 | |
| MCI BRIDGEWATER | , | 1997 | Community Water Systems | $52,000 | |
| PRASA - SANTA ISABEL WASTEWATER TREATMENT PLANT | , | 2000 | Community Water Systems | $52,000 | |
| City of Holyoke, Massachusetts | Holyoke, MA | 2016 | Community Water Systems | $50,000 | |
| Unified Government of Wyandotte County and Kansas City, Kansas | Kansas City, KS | 2010 | Community Water Systems | $50,000 | |
| Oasis Mobile Home Park | Thermal, CA | 2021 | Community Water Systems | $50,000 | |
| KISKI VALLEY WATER | , | 1995 | Community Water Systems | $45,000 | |
| BUTLER AREA SEWER AUTHORITY | , | 1991 | Community Water Systems | $45,000 | |
| HARRISBURG AUTHORITY WASTEWATER TREATMENT FACILITY | , | 1997 | Community Water Systems | $41,000 | |
| Two Medicine Water Company | Browning, MT | 2018 | Community Water Systems | $40,000 | |
| DISTRICT OF COLUMBIA WATER AND SEWER AUTHORITY | , | 2003 | Community Water Systems | $37,312 | |
| LACKAWANNA RIVER BASIN SEWER AUTHORITY | , | 1990 | Community Water Systems | $35,000 | |
| Indian Health Service — Blackfeet Community Hospital Public Water System | Browning, MT | 2019 | Community Water Systems | $33,500 | |
| ILLINOIS-AMERICAN WATER CO. | PEORIA, IL | 2006 | Community Water Systems | $33,300 | |
| City of Cahokia Heights, Illinois | Cahokia Heights, IL | 2019 | Community Water Systems | $30,000 | |
| TIDEWATER BALING CORPORATION | , | 1990 | Community Water Systems | $27,000 | |
| HIBBING WASTE WATER TREATMENT PLANT | , | 1995 | Community Water Systems | $26,000 | |
| City of Wapato, Washington | Wapato, WA | 2018 | Community Water Systems | $25,750 | |
| HAMPDEN WATER CO (TENNY,WM.B.,ET AL) | , | 1987 | Community Water Systems | $25,000 | |
| ERIE SEWER AUTHORITY | , | 1988 | Community Water Systems | $25,000 | |
| BLUEFIELD WASTE WATER TREATMENT PLANT | , | 1995 | Community Water Systems | $25,000 | |
| CHAMBERSBURG WASTEWATER TREATMENT PLANT, BOROUGH OF | , | 1995 | Community Water Systems | $25,000 | |
| NEW WATERBURY LTD | , | 1997 | Community Water Systems | $24,000 | |
| Railroad employee | , | 2025 | Community Water Systems | $24,000 | |
| ADAK CITY OF EU | ADAK, AK | 2006 | Community Water Systems | $23,000 | |
| LEBANON, CITY OF, WASTE WATER TREATMENT PLANT | , | 1996 | Community Water Systems | $21,500 | |
| NORTHWESTERN ENERGY | CORWIN SPRINGS, MT | 2007 | Community Water Systems | $20,000 | |
| PRASA - CEIBA WASTEWATER TREATMENT PLANT | , | 1999 | Community Water Systems | $18,545 | |
| ANCHORAGE MUNICIPALITY OF AWWU | ANCHORAGE, AK | 2006 | Community Water Systems | $17,500 |