On December 12, 2011, EPA Region 6 issued a Consent Agreement and Final Order(CAFO)under our authority pursuant to Section 1421 of the Safe Drinking Water Act to Chaparral Energy, LLC, located in Oklahoma City, Oklahoma. The CAFO was issued in response to violations of 1) operating an injection well without mechanical integrity; and 2) operating the well without authorization to inject as required by the EPA permit for the well. The CAFO requires Chaparral Energy, LLC to to pay a monetary penalty. Chaparral Energy, LLC must respond to EPA Region 6 within 30 days from the effective date of the CAFO. For more information see documents below.