| R06 | Enforcement | 04/09/2024 | EPCRA-06-2024-0502 Consent Agreement and Final Order | EPCRA | La Croix Precision Optics, Batesville, AR | La Croix Precision Optics | Batesville | AR | 04/23/2024 | N | |
| R06 | Enforcement | 01/31/2024 | FIFRA-06-2024-0367 Notice of Warning | FIFRA | Dumas Seed Cleaners, Dumas, AR | Dumas Seed Cleaners | | AR | 04/23/2024 | N | |
| R06 | Inspection | 04/12/2024 | CWA, brine, inspection report | Water | LaRay Oil, LLC - Inspection Report | Thompson #1 SWD | Smackover | AR | 04/19/2024 | N | |
| R06 | Inspection | 04/12/2024 | CWA, Brine, Inspection Report | Water | Jerry Langley Oil Company, LLC | Flowline Spill | Smackover | AR | 04/19/2024 | N | |
| R06 | Inspection | 04/12/2024 | CWA, Brine, Inspection Report | Water | LaRay Oil, LLC - Inspection Report | Morgan #1 | Calion | AR | 04/19/2024 | N | |
| R06 | Inspection | 04/12/2024 | CWA, Brine, Inspection Report | Water | Jerry Langley Oil Company, LLC - Inspection Report | TD Murphy SWD & TD Murphy Tank Battery | Smackover | AR | 04/19/2024 | N | |
| R06 | Inspection | 04/15/2024 | CWA, brine, inspection report | Water | R McNeely Oil Co. - Inspection Report | Childs C; Wells 1, 2 Tank Battery | Smackover | AR | 04/19/2024 | N | |
| R06 | Inspection | 04/09/2024 | CWA, Brine, Inspection Report | Water | Jerry Langley Oil Company, LLC | Tom #14 | Smackover | AR | 04/19/2024 | N | |
| R06 | Inspection | 04/12/2024 | CWA, Brine, Inspection Report | Water | LBOC, LLC | Flowline Spill | Calion | AR | 04/19/2024 | N | |
| R06 | Inspection | 04/12/2024 | CWA, brine, inspection report | Water | Jerry Langley Oil Co. - Inspection Report | Meekins Lease Tank Battery | Smackover | AR | 04/19/2024 | N | |
| R06 | Inspection | 04/12/2024 | CWA, Brine, Inspection Report | Water | Jerry Langley Oil Company, LLC | Bertie No. D-7 SWD | Smackover | AR | 04/19/2024 | N | |
| R06 | Enforcement | 02/01/2024 | FIFRA-06-2024-0365 Notice of Warning | FIFRA | Trinity Lighting Inc, Jonesboro, AR | Trinity Lighting Inc | Jonesboro | AR | 04/16/2024 | N | |
| R06 | Inspection | 04/10/2024 | CWA, Brine, inspection report | Water | John Sinclair Production, LLC - Inspection Report | Emodell Murphy #1, 2, 3, 4 Tank Battery | Smackover | AR | 04/11/2024 | N | |
| R06 | Inspection | 04/10/2024 | CWA, Brine, inspection report | Water | Jerry Langley Oil Co., Inc. - Flowline Spill Inspection Report | Flowline Spill - off All Gulf Rd, off oil lease road at 33.33957, -92.68762 | Smackover | AR | 04/11/2024 | N | |
| R06 | Inspection | 04/09/2024 | CWA, Brine, Inspection Report | Water | ArklaTx Operating Company Inc. - Inspection Report | SWWS #3 – Flenniken A-12 SWD | Norphlet | AR | 04/10/2024 | N | |
| R06 | Enforcement | 01/23/2024 | FIFRA-06-2024-0341 Notice of Warning | FIFRA | La Petite Roche Technologies LLC, North Little Rock, AR | La Petite Roche Technologies LLC | North Little Rock | AR | 04/09/2024 | N | |
| R06 | Enforcement | 01/18/2024 | FIFRA-06-2024-0311 Notice of Warning | FIFRA | Dickson Chemical Company Inc, Stuttgart, Arkansas | Dickson Chemical Co Inc | Stuttgart | AR | 03/25/2024 | N | |
| R06 | Enforcement | 01/18/2024 | FIFRA-06-2024-0338 Notice of Warning | FIFRA | S-N-S Consulting dba Mid America Encapsulation Services, Rogers, AR | MidAmerica Encapsulation Services | Rogers | AR | 03/25/2024 | N | |
| R06 | Inspection | 03/25/2024 | CWA, Brine, Inspection Report | Water | Arklatx Operating Company, Inc. - Inspection Report | Flenniken A Lease Tank Battery | El Dorado | AR | 03/25/2024 | N | |
| R06 | Enforcement | 03/01/2024 | AKMD Arkansas Midland Rail Road CAFO | RCRA | AKMD Arkansas Midland Rail Road | AKMD Arkansas Midland Rail Road | Malvern | AR | 03/10/2024 | N | |
| R06 | Enforcement | 02/06/2024 | Rineco ESA | RCRA | Rineco ESA | Rineco Chemical Industries, LLC | Benton | AR | 02/16/2024 | N | |
| R06 | Inspection | 02/13/2024 | CWA, Brine, Inspection Report | Water | B. Pharr Operating | Stylite Townsend Tank Battery | El Dorado | AR | 02/13/2024 | N | |
| R06 | Inspection | 02/07/2024 | CWA, Brine, Inspection Report | Water | Beren Corp. - Inspection Report | Taylor Lease - ARU002212 | El Dorado | AR | 02/12/2024 | N | |
| R06 | Inspection | 02/10/2024 | CWA, Brine, Inspection Report | Water | Jamie Oil, Inc. - Inspection Report | Ezzell B-2 Tank Battery | El Dorado | AR | 02/12/2024 | N | |
| R06 | Inspection | 02/05/2024 | CWA, Brine, Inspection Report | Water | Quanico Oil and Gas, Inc. - Inspection Report | Frost #10 Tank Battery - ARU002221 | El Dorado | AR | 02/12/2024 | N | |
| R06 | Inspection | 01/22/2024 | CWA, Brine, Inspection Report | Water | Belva Oil, Inc. - Inspection Report | Taylor Lease - ARU002217 | El Dorado | AR | 02/12/2024 | N | |
| R06 | Inspection | 02/10/2024 | CWA, Brine, Inspection Report | Water | Quanico Oil and Gas, Inc. - Inspection Report | Frost #8 Tank Battery - ARU002223 | El Dorado | AR | 02/12/2024 | N | |
| R06 | Inspection | 02/07/2024 | CWA, Brine, Inspection Report | Water | Quanico Oil and Gas, Inc - Inspection Report | Perkins Frost #12 Tank Battery - ARU002222 | El Dorado | AR | 02/12/2024 | N | |
| R06 | Inspection | 02/10/2024 | CWA, Brine, Inspection Report | Water | LBOC, LLC - Inspection Report | Barton-Proetz #1 SWD - ARU002214 | El Dorado | AR | 02/12/2024 | N | |
| R06 | Inspection | 02/10/2024 | CWA, Brine, Inspection Report | Water | LBOC, LLC - Inspection Report | Flowline Spill - ARU002219 | El Dorado | AR | 02/12/2024 | N | |
| R06 | Inspection | 02/10/2024 | CWA, Brine, Inspection Report | Water | LBOC, LLC - Inspection Report | Horton B Tank Battery - ARU002215 | El Dorado | AR | 02/12/2024 | N | |
| R06 | Inspection | 02/10/2024 | CWA, Brine, Inspection Report | Water | LBOC, LLC - Inspection Report | Union Co. - ARU002215 | El Dorado | AR | 02/12/2024 | N | |
| R06 | Inspection | 01/22/2024 | CWA, Brine, Inspection Report | Water | Quanico Oil and Gas, Inc. - Inspection Report | Ezzell F-2 Tank Battery - ARU002218 | El Dorado | AR | 02/12/2024 | N | |
| R06 | Inspection | 01/22/2024 | CWA, Brine, Inspection Report | Water | Quanico Oil and Gas, Inc. - Perkins Ezzell LSE Tank Battery | Perkins Ezzell LSE Tank Battery - ARU002216 | El Dorado | AR | 02/12/2024 | N | |
| R06 | Enforcement | 01/08/2024 | TSCA-06-2024-6163 Consent Agreement and Final Order | TSCA | Marrs Construction LLC, Bella Vista, AR | Marrs Construction LLC | Bella Vista | AR | 01/23/2024 | N | |
| R06 | Enforcement | 05/11/2023 | Inspection | Water | Anthony Timberlands. Malvern SWPPP | Anthony Timberlands.Malvern | Malvern | AR | 01/22/2024 | N | |
| R06 | Enforcement | 07/31/2023 | Inspection | Water | Cross County Rural Water Association | Cross County Rural Water Association | Hickory Ridge | AR | 01/03/2024 | N | |
| R06 | Enforcement | 12/20/2023 | Administrative Order | Water | Strong Waterworks | Strong Waterworks | Strong | AR | 01/03/2024 | N | |
| R06 | Enforcement | 12/20/2023 | Administrative Order | Water | Grassy Knob Subordinate SD | Grassy Knob Subordinate SD | Eureka Springs | AR | 01/03/2024 | N | |
| R06 | Enforcement | 08/17/2023 | Inspection | Water | Hot Springs Water Utilities | Hot Springs Water Utilities | Hot Springs | AR | 01/03/2024 | N | |
| R06 | Enforcement | 12/14/2023 | Administrative Order | Water | Arkadelphia Waterworks | Arkadelphia Waterworks | Arkadelphia | AR | 01/03/2024 | N | |
| R06 | Enforcement | 08/17/2023 | Inspection | Water | West Helena Waterworks | West Helena Waterworks | West Helena | AR | 01/03/2024 | N | |
| R06 | Enforcement | 08/17/2023 | Inspection | Water | Arkadelphia Waterworks | Arkadelphia Waterworks | Arkadelphia | AR | 01/03/2024 | N | |
| R06 | Enforcement | 07/26/2023 | Inspection | Water | Tri-County Regional Water Distribution District | Tri-County Regional Water Distribution District | Russellville | AR | 01/03/2024 | N | |
| R06 | Enforcement | 07/31/2023 | Inspection | Water | Southeast White County Water Association | Southeast White County Water Association | Searcy | AR | 01/03/2024 | N | |
| R06 | Enforcement | 08/17/2023 | Inspection | Water | Salem Water Users Association | Salem Water Users Association | Benton | AR | 01/03/2024 | N | |
| R06 | Enforcement | 08/17/2023 | Inspection | Water | Liberty Utilities Company | Liberty Utilities Company | Pine Bluff | AR | 01/03/2024 | N | |
| R06 | Enforcement | 07/31/2023 | Inspection | Water | Mountain Top Water Association | Mountain Top Water Association | Heber Springs | AR | 01/03/2024 | N | |
| R06 | Enforcement | 07/31/2023 | Inspection | Water | Greenbrier Water Works | Greenbrier Water Works | Greenbrier | AR | 01/03/2024 | N | |
| R06 | Enforcement | 10/13/2023 | Administrative Order | Water | Tucker Family, LLC | Tucker Family, LLC | Mayflower | AR | 11/10/2023 | N | |