County page
North Slope Borough
North Slope Borough currently shows 0 Superfund sites, 17 imported facility profiles, and 0 lbs in loaded TRI releases.
Overview
What this county page is saying
This live county page is generated from the ingested EPA datasets. It merges ECHO facility compliance rows, TRI release totals, and any Superfund sites attached to North Slope Borough.
The latest loaded TRI year is 2024, with 0 lbs in county-level on-site releases tied to the imported facility set.
Focus points
Design and product notes
County pages combine facility compliance history with chemical release totals.
TRI chemistry shows what is being reported, while ECHO shows who keeps drawing enforcement attention.
Superfund records add legacy cleanup context even when live contaminant detail is still sparse.
Superfund layer
Cleanup sites in this county
Facilities
Worst polluters and compliance pressure
Nsb Technical Training Center Wwtf
Violation Identified across 12 of the last 12 quarters, with $3,550 in recorded penalties.
Milne Point Unit
Violation Identified across 8 of the last 12 quarters, with $322,177 in recorded penalties.
Hilcorp Alaska Greater Prudhoe Bay Gathering Centers and Well Pads
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Point Thomson Oil Facilities
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Point Hope Wwtf
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Afc / Nanuq Herc / Wolverine Camp
Inactive across 10 of the last 12 quarters in the imported ECHO record.
North Slope Borough Public Works
No Violation Identified with $6,500,000 in recorded penalties.
Kaktovik Dept of Municipal Services
Violation Identified across 8 of the last 12 quarters in the imported ECHO record.
Alpine Oil Field
No Violation Identified. Last recorded ECHO inspection: 2025-05-06.
Dalton Hwy Mp 362-414 Reconstruction
Under review. Last recorded ECHO inspection: 2021-06-21.
Dalton Hwy Mp 362-414 Reconstruction _2
Under review. Last recorded ECHO inspection: 2021-06-21.
Harvest Alaska Lng, Llc / Liquefied Natural Gas (lng) Facility Pr
No Violation Identified. Last recorded ECHO inspection: 2025-11-26.
Hilcorp Alaska, Llc / Z-pad
No Violation Identified. Last recorded ECHO inspection: 2025-12-02.
Oil Search Alaska, Llc, A Subsidiary O / Nanushuk Drillsite B
No Violation Identified. Last recorded ECHO inspection: 2024-06-17.
Oil Search Alaska, Llc, A Subsidiary O / Nanushuk Processing Facility (npf)
No Violation Identified. Last recorded ECHO inspection: 2025-06-30.
Oil Search Alaska, Llc, A Subsidiary O / Seawater Treatment Plant
No Violation Identified. Last recorded ECHO inspection: 2024-06-13.
Halliburton North Slope (prudhoe) Field Camp
No violation identified
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Lead compounds | Metals and metal compounds | 1 | 0 lbs |
Violation pages
State-level violation context tied to this county
-
Clean Air Act violations in Alaska
Alaska facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
-
Clean Water Act violations in Alaska
Alaska facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
-
RCRA violations in Alaska
Alaska facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.