Document GZD6e0qqX2g1gvLZNovJO3Kq

Region 6 Compliance Assurance and Enforcement Division INSPECTION REPORT Inspection Date(s): Media: Regulatory Program(s) 04/17/2018 Water Brine - SDWA Company Name: Facility Name: Facility Physical Location: (city, state, zip code) Mailing address: (city, state, zip code) County/Parish: Facility Contact: Diamond 3S, LLC Kennedy Lease 36.586969N, -96.498093W (NE Sect. 1, T 24N, R 7E) Pawhuska, Oklahoma 74056 20102 West Coyote Trail Sand Springs, Oklahoma 74063 Osage Joel Summers (918) 638-9306 FRS Number: Identification/Permit Number: Media Number: NAICS: SIC: N/A OKU000867 N/A 21111 1311 Personnel participating in inspection: Kent W. Sanborn 6EN-WR Environmental Engineer (918) 557 - 1615 EPA Lead Inspector Signature/Date Supervisor Signature/Date Jeanne Eckhart for Kent W. Sanborn Digitally signed by Jeanne Eckhart DN: cn=Jeanne Eckhart, o=EPA, ou=6EN-WR, email=eckhart.jeanne@epa.gov, c=US Date: 2018.06.26 12:09:43 -05'00' Date GUY TIDMORE Digitally signed by GUY TIDMORE DN: c=US, o=U.S. Government, ou=USEPA, ou=Staff, cn=GUY TIDMORE, dnQualifier=0000012807 Date: 2018.06.26 16:38:36 -05'00' Guy Tidmore 26 JUN 2018 Date 6ENFORM-019-R7 (2/15/2017) 1 Section I - INTRODUCTION Diamond 3S, LLC / Kennedy Lease Inspection Date: 04/17/2018 PURPOSE OF THE INSPECTION EPA Region 6 inspector K.W. Sanborn visited the Diamond 3S, LLC oil and gas facility located at the latitude 36.586969 N and longitude -96.498093 W near Pawhuska, Oklahoma on 04/17/2018 for an unannounced inspection. No representatives of Diamond 3S, LLC were present for the inspection. The inspection was conducted by authority of the Clean Water Act and the Safe Drinking Water Act to determine compliance with the Environmental Protection Agency (EPA) regulations. FACILITY DESCRIPTION The inspection consisted of the injection well Kennedy No. 5, EPA Id No.: OS 4348 on the Kennedy Lease. The St. John lease is combined with the Kennedy lease at the tank battery. Section II - OBSERVATIONS At the time of the inspection, the Kennedy No. 5 injection well was observed (EPA ID: OS 4348). The injection well was shut in and not injecting during the inspection. Section III - AREAS OF CONCERN I observed elevated levels of TDS in the creek. These levels continue to be ongoing since the first discharge was identified. There continue to be discharges from the contaminated soil during wet weather events. Section IV - FOLLOW UP Conduct a follow up inspection as needed. Section V - LIST OF APPENDICES N/A 2