# HILCORP ALASKA, LLC — North Slope Borough, AK

**Citation:** NPMS FIPS 02185 / OPID 32645  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

11.582165 active Non-HVL Petroleum Product pipeline miles in North Slope Borough, AK; public NPMS snapshot 2026-07-16.

## Document text

HILCORP ALASKA, LLC (PHMSA OPID 32645) reported 11.582165 active Non-HVL Petroleum Product pipeline miles in North Slope Borough, AK (county FIPS 02185) in the public NPMS summary snapshot dated 2026-07-16. The snapshot includes active assets only and excludes permanently abandoned assets. Exact pipeline locations and restricted NPMS GIS data are not included.

## Provenance

- Official: Yes
- Source: <https://www.npms.phmsa.dot.gov/Documents/NPMS_Active_Pipe_County_Mileage.xlsx>
- Source ID: `npms-public-summaries`
- SHA-256: `e547f977ed0675aad2c18092da6481de2ef236e0dc392ac0c30f4ff8e84037d8`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T19:45:17.985Z
- Document slug: `npms-mileage-30d30d7e4484e84d93737ff6`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "02185",
  "stateFips": "02",
  "state": "AK",
  "county": "North Slope Borough",
  "region": "North Slope Borough, AK",
  "operator": {
    "id": "32645",
    "name": "HILCORP ALASKA, LLC"
  },
  "commodity": "Non-HVL Petroleum Product",
  "mileage": 11.58216477,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 257,
    "rowSha256": "f379230c5c6e4062a7e69c399b555c4f8cb76c24eeffa35e28a8f394e9a6b23b"
  },
  "citedSections": [
    "195.61"
  ],
  "caveat": "Public aggregate snapshot only. It is not a complete representation of exact pipeline locations, may be updated, and is not an agency finding about facility condition.",
  "jurisdiction": "US",
  "operatorName": "HILCORP ALASKA, LLC"
}
```