# 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

12.698384 active Crude Oil pipeline miles in North Slope Borough, AK; public NPMS snapshot 2026-07-16.

## Document text

HILCORP ALASKA, LLC (PHMSA OPID 32645) reported 12.698384 active Crude Oil 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: `e183bb0073a3e253249a0fbd749ba0d45fd87e538078e659d0776c1cce35efa2`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-23T01:20:11.071Z
- Document slug: `npms-mileage-00a193c79c49b713046a5879`

### 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": "Crude Oil",
  "mileage": 12.69838447,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 256,
    "rowSha256": "9bfa373c7f69f889d3b7c243cd2f525fc4c14a68aa9dc92acc13c2958e6099c1"
  },
  "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"
}
```