EPA v. PIONEER NATURAL RESOURCES USA, INC

Case summary

On March 11, 2013, EPA Region 6 issued an Administrative Order (AO) under its authority pursuant to Section 122.2 of the Clean Water Act to Pioneer Natural Resources USA, Inc. (Pioneer). The AO was issued based on the observations of an October 4, 2012, inspection of the facility and it's EPA issued NPDES Permit. The Respondent violated their permit by; failing to meet the laboratory minimum quatification level (MQL)for Total Residual Chlorine (TRC), failing to document and monitor discharge flow according to the required schedule and failing to report Discharge Limitations for BOD loading. Each of these violations occurred during the period March 1, 2011 through October 4, 2012. The Respondent will be required to meet the MQL for TRC, begin documenting daily flow measurements and submit pollution loading calulations for BOD.

Defendants (1)

• PIONEER NATURAL RESOURCES USA, INCNamed in settlement

Facilities (1)

• PIONEER NATURAL RESOURCES

  P.O. BOX 2788, MASTERSON, TX, 79105

  Registry ID: 110017753563

Statutes cited

• CWA 301/402 — NPDES Permit Violations
• CWA 309 — Violation of Existing AO

Enforcement conclusions (1)

• PIONEER NATURAL RESOURCES USA, INCentered 2013-03-11

  Primary law: CWA

Timeline (4 milestones)

• 2013-03-11Final Order Issued
• 2013-03-19Enforcement Action Data Entered
• 2013-05-14Enforcement Action Closed
• 2013-05-14NPDES Closed