Document 4vjVwd8LMkj1R7bbRkaN83GXa

Region 6 - Enforcement & Compliance Assurance Division INSPECTION REPORT Inspection Date(s): Media Program: Regulatory Program(s) 01/16/2025 Water (CWA) Water (CWA) Brine Program (Oil & Gas inspection) Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Phone Number Facility Contact: Rheba SWD, LLC (dba Capstone Oilfield Disposal of Arkansas, LLC) Rheba 20-2 SWDS Tank Battery In between Center Valley and Moreland (Russellville) from Interstate 40, then right on Highway 124, then right onto Highway 326, and right onto a gas lease road at 35.328333, -93.043333. Russellville, AR, 72802 400 W Jack H. Choate Ave Hennessey, OK 73742 Pope County 405-853-7170 Chase Holder (405-853-1540) Person Responsible for Operation cholder4@icloud.com FRS Number: Identification/Permit Number: Media Identifier Number: NAICS: SIC: N/A ARU002278; ADEQ State No-Discharge Permit 0825-WG-SW-3 (AFIN 5800780) N/A 213112 1389 Personnel participating in inspection: Kerri McCabe (lead) EPA / Region 6 ECDW Inspector / Enforcement Officer EPA Lead Inspector Signature/Date Supervisor Signature/Date KERRI MCCABE Kerri McCabe Digitally signed by KERRI MCCABE Date: 2025.02.19 08:55:00 -06'00' Date JEANNE ECKHART Date: 2025.02.25 09:54:15 -06'00' Digitally signed by JEANNE ECKHART Jeanne Eckhart Date 6ENFORM-019-R8.2 (02/12/2020) 1 Section I - INTRODUCTION Rheba SWD, LLC / Rheba 20-2 SWDS Tank Battery (ARU002278 / CWA) Inspection Date 01/16/2025 PURPOSE OF THE INSPECTION EPA Region 6 Inspector Kerri McCabe (lead) arrived at the Rheba SWD, LLC / Rheba 20-2 SWDS Tank Battery ("facility") at 1100 on 01/16/2025 for an announced inspection. The facility is located outside Russellville, Pope County, Arkansas from Interstate 40, then right on Highway 124, then right onto Highway 326, and right onto a gas lease road at 35.328333, -93.043333. No facility representatives were present at the time of the inspection. The inspection was conducted by the authority of the Clean Water Act (CWA) to determine compliance with Environmental Protection Agency (EPA) regulations. FACILITY DESCRIPTION EPA conducted an inspection on the Rheba SWD, LLC / Rheba 20-2 SWDS Tank Battery, which contained one (1) tank battery, three (3) storage frac tanks for produced water, one (1) unloading containment area, and one (1) Class II saltwater disposal (SWD) injection well. Map 1. Aerial imagery (Google Earth dated 01/04/2023) of the Rheba SWD, LLC / Rheba 20-2 SWDS Tank Battery. 2 Section II - OBSERVATIONS Rheba SWD, LLC / Rheba 20-2 SWDS Tank Battery (ARU002278 / CWA) Inspection Date 01/16/2025 I observed the Rheba SWD, LLC / Rheba 20-2 SWDS Tank Battery signage, see Appendix 1 (Photograph Log), Photo No. 1. For additional GPS location and photo metadata, see Appendix 1. Section III - AREAS OF CONCERN No closing conference was held due to no personnel with Rheba SWD, LLC being present during the inspection. Section IV - FOLLOW UP I was unable to access the facility at the time of the inspection due to a locked gate. A joint inspection with EPA and AOGC is scheduled for 02/13/2025. Section V - LIST OF APPENDICES Appendix 1 - Photograph Log - 1 photo taken 01/16/2025. 3 Rheba SWD, LLC / Rheba 20-2 SWDS Tank Battery (ARU002278 / CWA) Inspection Date 01/16/2025 Appendix 1 Photograph Log 1 Photo UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Photograph Log Photo No. 1 Location: From Interstate 40, then right on Highway 124, then right onto Highway 326, and right onto a gas lease road at 35.328333, -93.043333 City: Russellville County/Parish: Pope State: Arkansas Photo File Name: 100-0467 Orientation: 326 NW Date of Photo: 01/16/2025 Time of Photo: 1111 Latitude: 35.336967 Longitude: -93.043450 Photographer: Kerri McCabe Description: Looking NW, this photo shows the signage for the facility at a locked gate.