EPA v. CHAPARRAL-5764-2

Case summary

VIOLATIONS: ENVIRONMENTAL PROTECTION AGENCY (EPA) REGULATIONS REQUIRE THE OWNER OR OPERATOR OF AN INJECTION WELL TO COMPLY WITH PERMIT CONDITIONS. RESPONDENT’S PERMIT FOR THE WELL INCLUDED IN THIS ENFORCEMENT ACTION LIMITS INJECTION TO 17,760 BARRELS PER MONTH UNTIL MAY 12, 2008, AT WHICH TIME THE AUTHORIZED INJECTION RATE WAS INCREASED TO 19,000 BARRELS PER MONTH. RESPONDENT VIOLATED THE INJECTION RATE LIMIT DURING THE PERIOD OCTOBER 2006 THROUGH JUNE 2007. REMEDY: RESPONDENT IS REQUIRED TO COMPLY WITH PERMIT LIMITS IN THE FUTURE. THE PERMIT WOULD BE SUSPENDED FOR THREE MONTHS FOR FUTURE VIOLATION OF PERMIT INJECTION VOLUME LIMITS. THE ORDER IS INITIALLY EFFECTIVE UNTIL NOVEMBER 1, 2009, AND WOULD BE EXTENDED IF THE RESPONDENT FAILS TO COMPLY WITH PERMIT CONDITIONS. PENALTY: NONE

Defendants (1)

• CHAPARRAL ENERGY, LLCNamed in complaintNamed in settlement

Facilities (1)

• OS5764 - WELL NO. STROHM 9-1 (S)

  NE/4, SEC. 09, T 25N, R 07E, BURBANK, OK, 74635

  Registry ID: 110014425988

Statutes cited

• SDWA 1422/1423 — UIC Regulations Classes I - V
• SDWA 1421 — UIC Regulations

Enforcement conclusions (1)

• CHAPARRAL-5764-2entered 2008-09-19

  Primary law: SDWA

Timeline (5 milestones)

• 2008-03-10Complaint Filed/Proposed Order
• 2008-09-19Compliance Achieved
• 2008-09-19Final Order Issued
• 2008-09-23Enforcement Action Data Entered
• 2009-11-19Enforcement Action Closed