Non-Compliance
Clean Air Act
Clean Water Act
RCRA
CONOCOPHILLIPS - KUPARUK
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
-
UNNAMED STREET
PRUDHOE BAY, AK 99734
View on map ↗ - County
- ALASKA NORTH SLOPE County
- Industry
- Mining, Quarrying, and Oil and Gas Extraction
- NAICS (North American Industry Classification)
- 211120
- Inspections
- 14 · last Mar 24, 2025
- Total Penalties
- $0 · last Jan 8, 2016
- Registry ID
- 110063104670
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.
0
Air (CAA)
Qtrs Non-Compliant
Qtrs Non-Compliant
9
Water (CWA)
Qtrs Non-Compliant
Qtrs Non-Compliant
0
Hazardous Waste (RCRA)
Qtrs Non-Compliant
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 |
|---|---|---|---|---|
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| caa | Linked to Viol. Below | — | — | Open |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2026 | Mar 3, 2026 | Resolved |
| cwa | Schedule Event unachieved and not reported | Jan 31, 2026 | Mar 3, 2026 | Resolved |
| caa | FRV | Dec 9, 2022 | — | Open |
| caa | FRV | Apr 21, 2022 | — | Open |
| caa | FRV | Nov 16, 2021 | — | Open |
| caa | FRV | Oct 5, 2021 | — | Open |
| caa | FRV | Apr 28, 2021 | — | Open |
| caa | FRV | Jul 29, 2020 | — | Open |
| caa | FRV | May 27, 2020 | — | Open |
| caa | FRV | Apr 8, 2020 | — | Open |
| caa | FRV | Oct 7, 2019 | — | Open |
| caa | FRV | Oct 7, 2019 | — | Open |
| rcra | Standards Applicable to Generators of HW: General | Jun 24, 2019 | Nov 19, 2019 | Resolved |
| caa | FRV | Jun 11, 2019 | — | Open |
| caa | FRV | Mar 14, 2019 | — | Open |
| caa | FRV | Mar 1, 2019 | — | Open |
| caa | FRV | Feb 25, 2019 | — | Open |
| caa | FRV | Dec 14, 2018 | — | Open |
| caa | FRV | May 9, 2018 | — | Open |
| caa | FRV | Apr 3, 2018 | — | Open |
| cwa | Management Practice Violations - Failure to Maintain Records | Aug 9, 2017 | — | Open |
| caa | FRV | Jun 29, 2017 | — | Open |
| caa | FRV | Nov 29, 2016 | — | Open |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Oct 30, 2015 | Jan 8, 2016 | Resolved |
| rcra | Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators | Oct 30, 2015 | Jan 8, 2016 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Oct 24, 1995 | Oct 25, 1995 | Resolved |
| rcra | Land Disposal Restrictions: General | Jul 8, 1991 | Aug 3, 2000 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Jul 8, 1991 | Aug 3, 2000 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Apr 11, 1989 | Nov 15, 1989 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Apr 11, 1989 | Jul 13, 1989 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Jun 8, 1988 | Aug 18, 1989 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: Closure and Post-Closure | Aug 26, 1985 | Sep 30, 1986 | Resolved |
| rcra | Standards for Owners and Operators of HW TSDs: General | Aug 26, 1985 | Sep 30, 1986 | 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 |
|---|---|---|---|---|---|---|
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.10 | +2% | Feb 2023 | Open |
| Chlorine, total residual | DMR, Limited - Overdue | 0.10 mg/L | 0.10 | +2% | Jun 2019 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.10 | +2% | Jun 2019 | Open |
| Chlorine, total residual | DMR, Limited - Overdue | 0.10 mg/L | 0.10 | +2% | May 2019 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.10 | +2% | May 2019 | Open |
| Chlorine, total residual | DMR, Limited - Overdue | 0.10 mg/L | 0.10 | +2% | Apr 2019 | Resolved |
| Chlorine, total residual | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.10 | +2% | Apr 2019 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.
Warning Letter
Clean Air Act
· Case 3603570814 · Dec 2, 2022
Warning Letter
Clean Air Act
· Case 3602381060 · Dec 11, 2020
Warning Letter
Clean Air Act
· Case 3602082983 · Nov 27, 2019
Warning Letter
Clean Air Act
· Case 3602043784 · Oct 9, 2019
Warning Letter
Clean Air Act
· Case 3602043782 · Oct 9, 2019
Warning Letter
Clean Air Act
· Case 3601802787 · Mar 18, 2019
Warning Letter
Clean Air Act
· Case 3601851414 · Mar 18, 2019
Warning Letter
Clean Air Act
· Case 3601802790 · Mar 8, 2019
Warning Letter
Clean Air Act
· Case 3601802789 · Dec 19, 2018
Warning Letter
Clean Air Act
· Case 3601851415 · Aug 30, 2018
Warning Letter
Clean Air Act
· Case 3601436704 · Jun 30, 2017
Warning Letter
Clean Air Act
· Case 3600908781 · Dec 9, 2016
FINAL 3008(A) COMPLIANCE ORDER
RCRA (Hazardous Waste)
· Case RCRA-AKD991281023-002 · Jan 8, 2016
$4,000
Administrative - Formal
· Case 10-2016-0004 · Jan 8, 2016
$4,000
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-AKD991281023-001 · Jan 8, 2016
$1,500
Administrative - Formal
· Case 10-2013-0021 · Oct 17, 2012
$45,000
Administrative - Formal
· Case 10-1997-0076 · Sep 30, 1997
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-AKD980981898-000 · Jun 26, 1989
WRITTEN INFORMAL
RCRA (Hazardous Waste)
· Case RCRA-AKD118951045-001 · Jun 26, 1989
CWA 309G2B AO For Class II Penalties
Clean Water Act
· Case 10-1988-N007 · Feb 6, 1989