EmissionsLookup
Non-Compliance Clean Water Act

PIONEER NATURAL RESOURCES USA

Quick Summary

  • Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
  • Assessed $0 in total penalties since records began.
Address
MULTIPLE SECT/TWNSHIP/RANGES
UNK, CO 99999
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County
LAS ANIMAS County
Inspections
1 · last Jun 10, 2025
Total Penalties
$0
Registry ID
110009128096

Compliance Status (Last 12 Quarters)

Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.

12
Water (CWA)
Qtrs Non-Compliant

Compliance Violations

Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.

Program Type Violation Date Return to Compliance Status
cwa Monitoring Violations - Failure to Monitor for Toxicity Requirements Jan 1, 2016 Apr 1, 2018 Resolved
cwa Schedule Event unachieved and not reported Jul 1, 2006 Aug 1, 2006 Resolved
cwa Schedule Event unachieved and not reported Jul 1, 2004 Aug 1, 2004 Resolved

Discharge Limit Exceedances

Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.

Pollutant Violation Reported Limit Exceedance Period Status
LC50 Static Renewal 48Hr Acute Daphnia magna DMR, Limited - Numeric Violation 100.00 % 100.00 +99,999% Sep 2023 Open
LC50 Static Renewal 48Hr Acute Daphnia magna DMR, Limited - Numeric Violation 100.00 % 100.00 +99,999% Sep 2023 Open
Chloride [as Cl] DMR, Limited - Numeric Violation 261.00 mg/L 250.00 +4% Jun 2020 Open

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