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| R06 | Inspection | 02/06/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | Deltic Timber Corps (Smackover Creek) | Deltic Timber Corps (Smackover Creek) | El Dorado | AR | 06/13/2025 | N |  |
| R06 | Inspection | 02/06/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | W O Giles | W O Giles | El Dorado | AR | 06/13/2025 | N | |
| R06 | Inspection | 03/22/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | Paradise Valley, LLC (Rick Ferguson) | Paradise Valley, LLC (Rick Ferguson) | Roland | AR | 06/13/2025 | N | |
| R06 | Inspection | 08/06/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | Paradise Valley, LLC (Rick Ferguson) | Paradise Valley, LLC (Rick Ferguson) | Roland | AR | 06/13/2025 | N | |
| R06 | Inspection | 01/02/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | John L Conner, Jr., Site 1, Pecan Orchard | John L Conner, Jr., Site 1, Pecan Orchard | Spriggs Mill | AR | 06/13/2025 | N | |
| R06 | Inspection | 01/02/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | John L Conner, Jr., Site 13, Tributary to Deep Slough | John L Conner, Jr., Site 13, Tributary to Deep Slough | Spriggs Mill | AR | 06/13/2025 | N | |
| R06 | Inspection | 01/02/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | John L Conner, Jr., Site 12, Deep Slough | John L Conner, Jr., Site 12, Deep Slough | Spriggs Mill | AR | 06/13/2025 | N | |
| R06 | Inspection | 08/06/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | Paradise Valley, LLC (Rick Ferguson) | Paradise Valley, LLC (Rick Ferguson) | Roland | AR | 06/13/2025 | N | |
| R06 | Inspection | 01/11/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | Sarai Singh | Sarai Singh | Pottsville | AR | 06/13/2025 | N | |
| R06 | Inspection | 01/23/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | Richard Sturgis | Richard Sturgis | Arkadelphia | AR | 06/13/2025 | N | |
| R06 | Inspection | 01/02/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | John L Conner, Jr., Site 14, Hogpen Slough | John L Conner, Jr., Site 14, Hogpen Slough | Spriggs Mill | AR | 06/13/2025 | N | |
| R06 | Inspection | 06/10/2025 | Water, CWA, Brine Program, Inspection Report | Water, CWA, Brine Program, Inspection Report | Water | Enerco Opeating Corporation - Clark Tank Battery | Clark Tank Battery | Genoa | AR | 06/12/2025 | N | |
| R06 | Inspection | 05/16/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | Thomas Kerberskey, Caddo River | Thomas Kerberskey, Caddo River | Glenwood | AR | 06/12/2025 | N | |
| R06 | Inspection | 06/10/2025 | Water, CWA, Brine Program, Inspection Report | Water, CWA, Brine Program, Inspection Report | Water | T2 Operating Corporation - Buckner #D-5 SWD | Buckner #D-5 SWD | Buckner | AR | 06/12/2025 | N | |
| R06 | Inspection | 06/10/2025 | Water, CWA, Brine Program, Inspection Report | Water, CWA, Brine Program, Inspection Report | Water | Enerco Operating Corporation Beauford Su-Tokio Tank Battery | Beauford Su-Tokio Tank Battery | Genoa | AR | 06/12/2025 | N | |
| R06 | Inspection | 05/24/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | Washington County Road Department, Jeff Crowder | Washington County Road Department, Jeff Crowder | Fayetteville | AR | 06/12/2025 | N | |
| R06 | Inspection | 06/10/2025 | Water, CWA, Brine Program, Inspection Report | Water, CWA, Brine Program, Inspection Report | Water | Enerco Operating Corporation - Fouke D-3 Tank Battery | Fouke D-3 Tank Battery | Genoa | AR | 06/12/2025 | N | |
| R06 | Inspection | 06/10/2025 | Water, CWA, Brine Program, Inspection Report | Water, CWA, Brine Program, Inspection Report | Water | C&R Production LLC - Reynolds #10 SWD and Reynolds 1-2-3 Tank Batteries | Reynolds #10 SWD and Reynolds 1-2-3 Tank Batteries | Stephens | AR | 06/12/2025 | N | |
| R06 | Inspection | 02/04/2025 | TSCA 1018 RRP Inspection Report | Moses Tucker partners TSCA toxic substances control act RRP renovation repair and painting rule section 1018 disclosure rule lead based paint inspection report citizen complaint property management | TSCA | Moses Tucker Partners, Little Rock, AR | Moses Tucker Partners | Little Rock | AR | 06/11/2025 | N | |
| R06 | Inspection | 05/16/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | Sharon Shields, Smith Creek | Sharon Shields, Smith Creek | Glenwood | AR | 06/11/2025 | N | |
| R06 | Inspection | 05/15/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | Mountain Fork River, Mr. Bridges | Mountain Fork River, Mr. Bridges | Hatfield | AR | 06/11/2025 | N | |
| R06 | Inspection | 01/30/2025 | TSCA RRP Inspection Report | Arkansas Restoration Incorporated Inc ARI TSCA toxic substances control act RRP renovation repair and painting rule inspection report lead based paint | TSCA | Arkansas Restoration Inc., North Little Rock, AR | ARI Arkansas Restoration Inc | North Little Rock | AR | 06/11/2025 | N | |
| R06 | Inspection | 05/16/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | ARDOT, Caddo River | ARDOT, Caddo River | Glenwood | AR | 06/11/2025 | N | |
| R06 | Inspection | 01/02/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | John L Conner, Jr., Site 10, Bear Lake Slough | John L Conner, Jr., Site 10, Bear Lake Slough | Spriggs Mill | AR | 06/10/2025 | N | |
| R06 | Inspection | 06/27/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | Crystal Valley LLC (Rick Ferguson) | Crystal Valley LLC (Rick Ferguson) | Little Rock | AR | 06/10/2025 | N | |
| R06 | Inspection | 01/02/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | John L Conner, Jr., Site 11, Bear Lake Slough Wetland | John L Conner, Jr., Site 11, Bear Lake Slough Wetland | Newport | AR | 06/10/2025 | N | |
| R06 | Inspection | 02/09/2024 | Inspection | EPA R6, Inspection, CWA, 404 | Water | Calion Lumber Company, Inc. (Bridge Construction) | Calion Lumber Company, Inc. (Bridge Construction) | El Dorado | AR | 06/09/2025 | N | |
| R06 | Inspection | 02/06/2024 | Inspection Report | EPA R6, Inspection, CWA, 404 | Water | Calion Lumber Company, Inc. (Oil and Gas Activity) | Calion Lumber Company, Inc. (Oil and Gas Activity) | El Dorado | AR | 06/09/2025 | N | |
| R06 | Inspection | 05/30/2025 | Water, CWA, Brine Program, Inspection Report | Water, CWA, Brine Program, Inspection Report | Water | Bonds Company Production, LLC - Curry Lease Tank Battery Inspection Report | Curry Lease Tank Battery | Stephens | AR | 06/03/2025 | N | |
| R06 | Inspection | 06/03/2025 | Water, CWA, Brine Program, Inspection Report | Water, CWA, Brine Program, Inspection Report | Water | Nevada Oil, LLC - Duke Tank Battery Inspection Report | Duke Tank Battery | Strong | AR | 06/03/2025 | N | |
| R06 | Inspection | 05/29/2025 | Water, CWA, Brine Program, Inspection Report | Water, CWA, Brine Program, Inspection Report | Water | C12: Arkansas Oil, LLC - Midway Smackover Unit Tract #3 Tank Battery Inspection Report | Midway Smackover Unit Tract #3 Tank Battery | Lewisville | AR | 06/03/2025 | N | |
| R06 | Inspection | 05/29/2025 | Water, CWA, Brine Program, Inspection Report | Water, CWA, Brine Program, Inspection Report | Water | Bonds Company Production, LLC - Curry Lease Tank Battery Inspection Report | Curry Lease Tank Battery | Stephens | AR | 06/03/2025 | N | |
| R06 | Inspection | 05/29/2025 | Water, CWA, Brine Program, Inspection Report | Water, CWA, Brine Program, Inspection Report | Water | C12: Arkansas Oil, LLC - Midway Smackover Unit Tract #17 Tank Battery Inspection Report | Midway Smackover Unit Tract #17 Tank Battery | Lewisville | AR | 06/03/2025 | N | |
| R06 | Enforcement | 05/02/2025 | AOC | 404 | Water | Crystal Valley | Crystal Valley | Little Rock | AR | 06/02/2025 | N | |
| R06 | Enforcement | 01/31/2025 | FIFRA-06-2025-0339 Notice of Warning | Recycled Hydro Solutions LLC Rogers arkansas AR FIFRA federal insecticide fungicide and rodenticide act FIFRA-06-2025-0339 Notice of Warning NOW pest pesticide pesticidal product annual production report registered establishment 93485-AR-1 12a2L | FIFRA | Recycled Hydro Solutions LLC, Rogers, AR | Recycled Hydro Solutions LLC | Rogers | AR | 05/09/2025 | N | |
| R06 | Inspection | 04/14/2025 | CWA, NPDES, Brine, Inspection Report | CWA, NPDES, Brine, Inspection Report | Water | Nevada Oil, LLC - Irma Nacatoch Unit SWD/EOR Tank Battery | Irma Nacatoch Unit SWD/EOR Tank Battery | Willisville | AR | 04/23/2025 | N | |
| R06 | Inspection | 04/14/2025 | CWA, NPDES, Brine, Inspection Report | CWA, NPDES, Brine, Inspection Report | Water | Nevada Oil, LLC - Irma Nacatoch (Sand) Unit Tank Battery | Irma Nacatoch (Sand) Unit Tank Battery | Willisville | AR | 04/23/2025 | N | |
| R06 | Inspection | 04/14/2025 | CWA, NPDES, Brine, Inspection Report | CWA, NPDES, Brine, Inspection Report | Water | Smith, Roger G - Troy Tokio Unit Tank Battery | Troy Tokio Unit Tank Battery | Willisville | AR | 04/23/2025 | N | |
| R06 | Inspection | 04/14/2025 | CWA, NPDES, Brine, Inspection Report | CWA, NPDES, Brine, Inspection Report | Water | W M Operating, Inc. - HGC Lewis-Denman Tank Battery | HGC Lewis-Denman Tank Battery | Willisville | AR | 04/23/2025 | N | |
| R06 | Enforcement | 05/11/2023 | Inspection | | Water | Anthony Timberlands.Malvern SWPPP | Anthony Timberlands.Malvern SWPPP | Malvern | AR | 04/17/2025 | N | |
| R06 | Enforcement | 05/15/2023 | Inspection | | Water | Anthony Timberlands.Bearden SWPPP | Anthony Timberlands.Bearden SWPPP | Bearden | AR | 04/17/2025 | N | |
| R06 | Enforcement | 04/10/2025 | CAA 112(r) Expedited Settlement Agreement issued to Envirotech Chemical Services Inc. | CAA; 112r; RMP; ESA; Envirotech; R6 | Air | Envirotech Chemical Services, Inc., Helena, Arkansas | Envirotech Chemical Services, Inc. | Helena | AR | 04/15/2025 | N | |
| R06 | Enforcement | 03/18/2025 | Inspection | 404 | Water | Ben Wellons | | Des Arc | AR | 04/09/2025 | N | |
| R06 | Enforcement | 12/05/2024 | Inspection | 404 | Water | Pinnacle Springs LLC | Pinnacle Springs LLC | Rogers | AR | 04/09/2025 | N | |
| R06 | Enforcement | 03/22/2024 | Inspection | 404 | Water | Paradise Valley | Paradise Valley | Little Rock | AR | 04/09/2025 | N | |
| R06 | Inspection | 06/27/2024 | Inspection | 404 | Water | Crystal Valley LLC | Crystal Valley LLC | Little Rock | AR | 04/09/2025 | N | |
| R06 | Inspection | 11/24/2023 | Inspection | | Water | Tucker Family, LLC | Tucker Family, LLC | Mayflower | AR | 04/09/2025 | N | |
| R06 | Inspection | 11/21/2023 | Inspection | | Water | John Hammer | John Hammer | Heber Springs | AR | 04/09/2025 | N | |
| R06 | Inspection | 04/07/2025 | CWA, Brine Program, Oil & Gas | CWA, Brine Program, Oil & Gas | Water | Rheba SWD, LLC - Rheba 20-2 SWDS Tank Battery | Rheba 20-2 SWDS Tank Battery | Russellville | AR | 04/07/2025 | N | |
| R06 | Inspection | 04/03/2025 | CWA, Brine, Oil & Gas | CWA, Brine, Oil & Gas | Water | El Dorado Operating, LLC - Gregory Lease Tank Battery Inspection Report | Gregory Lease Tank Battery | El Dorado | AR | 04/03/2025 | N | |