NPDES AK0053767 · Clean Water Act
HILCORP SPY ISLAND DRILLSITE, Prudhoe Bay, AK: NPDES AK0053767 discharge permit, effluent exceedances, inspections, penalties
HILCORP SPY ISLAND DRILLSITE, Prudhoe Bay, Alaska: Individual permit AK0053767, held by ENI US OPERATING CO., INC.; Administratively continued; issued October 25, 2012, term to December 31, 2017, by ADEC; discharges to BEAUFORT SEA - SIMPSON LAGOON.
- Flow, in conduit or thru treatment plant: 3 limits, 6 violations of any kind, 2 effluent exceedances, latest February 29, 2024, largest 33% over the limit.
- Copper, total recoverable: 0 limits, 1 violation of any kind, 1 effluent exceedance, latest May 31, 2023, largest 4% over the limit.
- Temperature, water deg. centigrade: 4 limits, 4 violations of any kind.
- pH: 4 limits, 4 violations of any kind.
- Salinity: 4 limits, 4 violations of any kind.
- Solids, total suspended: 4 limits, 4 violations of any kind.
- Oxygen, dissolved [DO]: 2 limits, 2 violations of any kind.
- BOD, 5-day, 20 deg. C: 2 limits, 2 violations of any kind.
- Fecal coliform, MPN, EC med, 44.5 C: 2 limits, 2 violations of any kind.
- Enterococci: 2 limits, 2 violations of any kind.
- Floating solids, waste or visible foam-visual: 1 limit, 1 violation of any kind.
- Misc. discharges, free oil: 1 limit, 1 violation of any kind.
HILCORP SPY ISLAND DRILLSITE among its neighbors
Its county: 138, 3 major; AK0053767 is minor permit.
Other permits in the county
- AES DEADHORSE AIRPORT PAD, Deadhorse: AKG332057, minor, term to 2022-02-28
- AES EQUIPMENT LLC, Deadhorse: AKG332006, minor, term to 2022-02-28
- AFC/WOLVERINE CAMP, Prudhoe Bay: AKG380001, minor, term to 2019-06-30
- ALASKA AIRLINES BARROW STATION, Barrow: AKR06AC13, minor, term to 2020-03-31
- ALASKA AIRLINES PRUDHOE BAY STATION, Prudhoe Bay: AKR06AB99, minor, term to 2020-03-31
- ALASKA CLEAN SEAS, Prudhoe Bay: AKG332032, minor, term to 2022-02-28
- ALASKA SANITHERM MBR 1-3 WWTF, Nuiqsut: AKG572144, minor, term to 2027-12-31
- ALASKA WEST EXPRESS DEADHORSE FACILITY, (Unknown City): AKG332071, minor, term to 2029-09-30
- ALKAID 2 AND 3 DRILLING SITES, Deadhorse: AKR10GQ82, minor, term to 2026-01-31
- ALKAID 2 AND 3 DRILLING SITES_2, Deadhorse: AKR10GQ83, minor, term to 2026-01-31
Identity
| Facility | HILCORP SPY ISLAND DRILLSITE |
|---|---|
| Permittee | ENI US OPERATING CO., INC. |
| NPDES ID | AK0053767 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Non-POTW |
| Issued | October 25, 2012 |
| Expires | December 31, 2017 |
| Agency | ADEC |
| Address | Prudhoe Bay, AK 99734 |
| Receiving water | BEAUFORT SEA - SIMPSON LAGOON |
NPDES AK0053767: effluent limits and exceedances
HILCORP SPY ISLAND DRILLSITE (NPDES AK0053767): 12 pollutants on file, 11 limited; 12 with a violation of any kind, 2 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 3 | 6 | 2 | February 29, 2024 | 33% over the limit |
| Copper, total recoverable | 0 | 1 | 1 | May 31, 2023 | 4% over the limit |
| Temperature, water deg. centigrade | 4 | 4 | 0 | ||
| pH | 4 | 4 | 0 | ||
| Salinity | 4 | 4 | 0 | ||
| Solids, total suspended | 4 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 2 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 2 | 0 | ||
| Fecal coliform, MPN, EC med, 44.5 C | 2 | 2 | 0 | ||
| Enterococci | 2 | 2 | 0 | ||
| Floating solids, waste or visible foam-visual | 1 | 1 | 0 | ||
| Misc. discharges, free oil | 1 | 1 | 0 |
NPDES AK0053767: inspections, violations and enforcement
NPDES AK0053767 (HILCORP SPY ISLAND DRILLSITE): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES AK0053767
NPDES AK0053767: one email when its EPA record changes — $99/month.
Permits near NPDES AK0053767
NPDES AK0053767: 12 pollutant rows, 0 dated events; ICIS-NPDES download, loaded September 15, 2026.