 SDWA-04-2016-1004(b) | Closed | 09/20/2016 | Countrymark Energy Resources, LLC |
| SDWA-04-2016-1005(b) | Closed | 02/02/2017 | Abarta Oil & Gas Company, Inc. |
| SDWA-04-2016-1006(b) | Closed | 08/30/2016 | Sipple Oil Company |
| SDWA-04-2016-1007(b) | Closed | 09/26/2016 | Powell Oil and Gas, LLC |
| SDWA-04-2016-1008(b) | Closed | 12/06/2016 | Robinson Engineering & Oil |
| SDWA-04-2016-1010(b) | Closed | 09/29/2016 | Trey Exploration, Inc. |
| SDWA-04-2016-1013(b) | Closed | 09/20/2016 | Blackhawk Energy, LLC |
| SDWA-04-2016-1014(b) | Closed | 09/20/2016 | Bretagne, LLC |
| SDWA-04-2016-1015(b) | Closed | 02/02/2017 | Central Energy Group, LLC |
| SDWA-04-2016-1016(b) | Closed | 09/20/2016 | Arnold Ridge, LLC |
| SDWA-04-2016-1017(b) | Closed | 09/20/2016 | Steve Combs |
| SDWA-04-2016-1018(b) | Closed | 09/20/2016 | Coomer Drilling Company, Inc. |
| SDWA-04-2016-1019(b) | Closed | 09/20/2016 | Del Energy, Inc. |
| SDWA-04-2016-1020(b) | Closed | 09/20/2016 | American Natural Gas, Inc. |
| SDWA-04-2016-1021(b) | Closed | 09/20/2016 | Core Minerals Operating Company, Inc. |
| SDWA-04-2016-1022(b) | Closed | 09/20/2016 | John Clendening |
| SDWA-05-2001-0002 | Closed | 07/09/2001 | Rocky Well Service (Centralia, IL) |
| SDWA-05-2006-0001 | Awaiting Payment/SEP | 05/25/2006 | Reservoir Research Corporation (Jackson, MI) |
| SDWA-05-2006-0004 | Closed | 09/22/2006 | Adams Trucking & Excavating, Inc., d/b/a A.T. & E. Systems, Inc. (Pentwater, MI) |
| SDWA-05-2007-0001 | Closed | 11/20/2006 | E. I. duPont de Nemours and Company (Wilmington, DE) & Washington Works Facility (Washington, WV) |
| SDWA-05-2007-0002 | Closed | 01/09/2007 | Muskegon Development Company (Mt. Pleasant, MI) |
| SDWA-05-2007-0003 | Closed | 03/22/2007 | Environmental Disposal Systems (EDS), Inc. (Birmingham, MI) |
| SDWA-05-2009-0001 | Closed | 03/10/2009 | E.I. du Pont de Nemours and Company ADMINISTRATIVE ORDER ON CONSENT (Wilmington, Delaware) |
| SDWA-05-2010-0001 | Closed | 09/17/2010 | Robert Christensen, d/b/a Bob's Repair- CAFO- (Brainerd, Minnesota) |
| SDWA-05-2012-0001 | Closed | 08/29/2012 | Muskegon Development Co. -CAFO- (Mount Pleasant, Michigan) |
| SDWA-05-2016-0001 | Active | 01/21/2016 | City of Flint, Michigan; Michigan Department of Environmental Quality; and the State of Michigan - EMERGENCY ADMINISTRATIVE ORDER - (City of Flint, Michigan) |
| SDWA-05-2016-0002 | Closed | 09/02/2016 | Cargill, Incorporated -CAFO- (St. Clair, Michigan) |
| SDWA-05-2017-0001 | Closed | 07/17/2017 | Sunoco Partners Marketing & Terminals L.P. -CAFO- (Taylor, Michigan) |
| SDWA-05-2019-0001 | Active | 10/30/2018 | Great Lakes Petroleum Producers, Inc. -CAFO- (Jenison, Michigan) |
| SDWA-05-2019-0002 | Closed | 11/29/2018 | Dart Oil and Gas Corporation - CAFO- (Mason, Michigan) |
| SDWA-05-2019-0003 | Closed | 12/06/2018 | EnerVest Operating, LLC -CAFO- (Gaylord, Michgan) |
| SDWA-05-2019-0004 | Active | 08/06/2019 | Lease Management, Inc. -CAFO- -INSTALLMENTS- (Mount Pleasant, Michigan) |
| SDWA-05-2020-0001 | Closed | 12/20/2019 | Kraft Heinz Foods Company -CAFO- (Holland, Michigan) |
| SDWA-05-2020-0002 | Closed | 01/10/2020 | Arbor Operating, LLC - CAFO- (Traverse City, Michigan) |
| SDWA-05-2020-0004 | Closed | 03/26/2020 | Ranch Production, LLC -CAFO- (Pentwater, Michigan) |
| SDWA-05-2020-0005 | Active | | Koyl Oil, Inc. -Administrative Consent Order- (Charlotte, Michigan) |
| SDWA-05-2020-0005 | Active | | Koyl Oil, Inc. -AOC- (Charlotte, Michigan) |
| SDWA-06-2009-1247 | Active | 10/08/2009 | Falcons Nest Water System |
| SDWA-06-2009-1249 | Active | 11/17/2009 | College Villa Mobile Home Park |
| SDWA-06-2010-1106 | Closed | 07/20/2010 | Gary Robinson |
| SDWA-06-2010-1107 | Active | 07/20/2010 | Golden West Energy, LLC |
| SDWA-06-2010-1108 | Active | 07/20/2010 | Wachtman-Schroeder |
| SDWA-06-2010-1347 | Closed | 05/04/2010 | Haskell Public Water Association |
| SDWA-06-2010-1348 | Closed | 05/07/2010 | Westmoor Mobile Home Court |
| SDWA-06-2010-1349 | Closed | 04/30/2010 | Burntwood Court |
| SDWA-06-2010-1350 | Active | 05/04/2010 | Tullahassee Water |
| SDWA-06-2010-1354 | Active | 05/20/2010 | Midway Mobile Home Park |
| SDWA-06-2010-1355 | Active | 05/19/2010 | Public Water System (Dustin) |
| SDWA-07-2007-0001 | Closed | 07/09/2007 | Missouri Department of Corrections |
| SDWA-07-2008-0001 | Active | | EAST GARDEN VILLAGE MOBILE HOME PARK |
| SDWA-07-2008-0002 | Closed | 04/10/2008 | City of Bevier |
| SDWA-07-2008-0003 | Closed | 07/14/2008 | Wilson County RWD 10 |
| SDWA-07-2008-0004 | Closed | 07/14/2008 | City of Peabody |
| SDWA-07-2008-0005 | Active | | NEOSHO COUNTY RWD 2 |
| SDWA-07-2008-0006 | Closed | 07/14/2008 | Winter Mobile Home Park |
| SDWA-07-2009-0001 | Closed | 01/07/2009 | Omaha Tribal Utilities, Macy Omaha Tribe of Nebraska |
| SDWA-07-2010-0001 | Closed | 01/15/2010 | Omaha Tribal Utilities, Macy Omaha Tribe of Nebraska |
| SDWA-07-2010-0002 | Closed | 02/26/2010 | Kickapoo Public Water System |
| SDWA-07-2010-0003 | Active | | City of Baldwin City |
| SDWA-07-2010-0004 | Closed | 04/26/2010 | Butler County Rural Water District #1 |
| SDWA-07-2010-0005 | Closed | 04/26/2010 | Butler County Rural Water District #2 |
| SDWA-07-2010-0006 | Closed | 04/26/2010 | Butler County Rural Water District #3 |
| SDWA-07-2010-0007 | Closed | 04/26/2010 | Butler County Rural Water District #6 |
| SDWA-07-2010-0008 | Closed | 04/28/2010 | Butler County Rural Water District #7 |
| SDWA-07-2010-0009 | Closed | 04/26/2010 | Franklin County Rural Water District #4 |
| SDWA-07-2010-0010 | Closed | 04/26/2010 | Labette County Rural Water District #6 |
| SDWA-07-2010-0011 | Closed | 04/26/2010 | Leavenworth County Rural Water District #5 |
| SDWA-07-2010-0012 | Closed | 04/26/2010 | Leavenworth County Rural Water District #8 |
| SDWA-07-2010-0013 | Active | | Montgomery County Rural Water District #4 |
| SDWA-07-2010-0014 | Closed | 04/26/2010 | City of Salina |
| SDWA-07-2010-0015 | Closed | 04/26/2010 | Saline County Rural Water District #3 |
| SDWA-07-2010-0016 | Closed | 04/26/2010 | City of Towanda |
| SDWA-07-2011-0001 | Closed | 12/20/2010 | Allen County Rural Water District #8 |
| SDWA-07-2011-0002 | Closed | 12/20/2010 | Butler County Rural Water District #4 |
| SDWA-07-2011-0003 | Closed | 12/20/2010 | City of Burlingame |
| SDWA-07-2011-0004 | Closed | 12/20/2010 | City of La Cygne |
| SDWA-07-2011-0005 | Active | | City of Strong City |
| SDWA-07-2011-0006 | Closed | 12/20/2010 | Labette County Rural water District #8 |
| SDWA-07-2011-0007 | Closed | 12/20/2010 | Neosho County Rural Water District #2 |
| SDWA-07-2011-0008 | Closed | 12/20/2010 | City of Mulberry |
| SDWA-07-2011-0009 | Closed | 12/20/2010 | City of Peabody |
| SDWA-07-2011-0010 | Closed | 12/20/2010 | City of Waverly |
| SDWA-07-2011-0011 | Closed | 12/20/2010 | City of Alma |
| SDWA-07-2011-0012 | Closed | 12/20/2010 | City of St Paul |
| SDWA-07-2011-0013 | Closed | 12/20/2010 | Mitchell County Rural Water District #2 |
| SDWA-07-2011-0014 | Closed | 12/20/2010 | City of Smith Center |
| SDWA-07-2011-0015 | Closed | 12/20/2010 | Rice County Rural Water District #1 |
| SDWA-07-2011-0016 | Closed | 12/20/2010 | City of Leroy |
| SDWA-07-2011-0017 | Closed | 12/20/2010 | Linn County Rural Water District #2 |
| SDWA-07-2011-0018 | Closed | 12/20/2010 | Miami County Rural Water District #3 |
| SDWA-07-2011-0019 | Closed | 12/20/2010 | Labette County Rural Water District #5 |
| SDWA-07-2011-0020 | Closed | 12/20/2010 | Montgomery County Rural Water District #4 |
| SDWA-07-2011-0021 | Closed | 12/20/2010 | City of Howard |
| SDWA-07-2011-0022 | Closed | 12/20/2010 | Anderson County Rural Water District #1C |
| SDWA-07-2011-0023 | Closed | 12/20/2010 | City of Herington |
| SDWA-07-2011-0024 | Closed | 12/20/2010 | Greenwood County Rural Water District #1 |
| SDWA-07-2011-0025 | Closed | 12/20/2010 | Greenwood County Rural Water District #2 |
| SDWA-07-2011-0026 | Closed | 12/20/2010 | City of Marion |
| SDWA-07-2011-0027 | Closed | 12/20/2010 | City of Florence |
| SDWA-07-2011-0028 | Closed | 12/20/2010 | City of Plainville |
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