# PHILLIPS 66 PIPELINE LLC — Big Horn County, MT

**Citation:** NPMS FIPS 30003 / OPID 31684  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

49.806193 active Non-HVL Petroleum Product pipeline miles in Big Horn County, MT; public NPMS snapshot 2026-07-16.

## Document text

PHILLIPS 66 PIPELINE LLC (PHMSA OPID 31684) reported 49.806193 active Non-HVL Petroleum Product pipeline miles in Big Horn County, MT (county FIPS 30003) 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: `777901970f550dc66c8781d99c7d74c25c6fbebcaa0b959393ca147c66890c4e`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T08:53:29.612Z
- Document slug: `npms-mileage-b7e141cd03c6ad661bf4336a`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "30003",
  "stateFips": "30",
  "state": "MT",
  "county": "Big Horn County",
  "region": "Big Horn County, MT",
  "operator": {
    "id": "31684",
    "name": "PHILLIPS 66 PIPELINE LLC"
  },
  "commodity": "Non-HVL Petroleum Product",
  "mileage": 49.80619317,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 7055,
    "rowSha256": "f0489e6ae005d7d1a619702604ebb0020a9530d395edff815939854cc2c9d7c9"
  },
  "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": "PHILLIPS 66 PIPELINE LLC"
}
```