Respondent owns and operates a well identified as Fannin Fanns B Unit Well No. 5H, which is part of the Fannin Farms Pad, consisting of 10 active natural gas (methane) wells and associated production equipment. Respondent failed to use appropriate hazard assessment techniques, to design and maintain a safe facility, and did not take such necessary steps to prevent an accidental release by not ensuring safety at the Facility by designing a proper and safe flow control system. This resulted in a release of methane on September 10, 2018. The Respondent's failure constitutes a violation of the general duty clause in section 112(r)(1) of the CAA, 42 USC 7412(r)(1).