On , 2015, EPA Region 6 issued an Administrative Complaint (APO) under its authority pursuant to Section 309 of the Clean Water Act (CWA) to Wapiti Operating, LLC (Respondent), located in Breckenridge, Stephens County, Texas. The APO was issued in response to violation of Section 301 of the CWA for discharging fluids high in Total Dissolved Salts to waters of the U.S. The APO proposes that Respondent pay a penalty. Respondent must respond to EPA Region 6 within thirty days of receipt of the Complaint.