# HILCORP NORTH SLOPE, LLC — North Slope Borough, AK

**Citation:** NPMS FIPS 02185 / OPID 1541  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

24.666241 active Crude Oil pipeline miles in North Slope Borough, AK; public NPMS snapshot 2026-07-16.

## Document text

HILCORP NORTH SLOPE, LLC (PHMSA OPID 1541) reported 24.666241 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: `2c9b89d7fac6c2b8769985e7c8857b19098cdf576d581afee28b9cf972c5abee`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T23:48:49.761Z
- Document slug: `npms-mileage-ac8889c1b94dae6fdf00070c`

### 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": "1541",
    "name": "HILCORP NORTH SLOPE, LLC"
  },
  "commodity": "Crude Oil",
  "mileage": 24.66624053,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 246,
    "rowSha256": "b6670839c2949cebb7779455475bbe29b94ddc56c323c034e2a1f58022bedceb"
  },
  "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 NORTH SLOPE, LLC"
}
```