# MPLX LP — Richland County, MT

**Citation:** NPMS FIPS 30083 / OPID 40149  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

13.067261 active Crude Oil pipeline miles in Richland County, MT; public NPMS snapshot 2026-07-16.

## Document text

MPLX LP (PHMSA OPID 40149) reported 13.067261 active Crude Oil pipeline miles in Richland County, MT (county FIPS 30083) 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: `9a9999506afad783da059a73d73aea2618a7e0c1555f75efe0f87e86142cb0fa`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-23T11:51:53.640Z
- Document slug: `npms-mileage-939ef05a3704aad541f72cda`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "30083",
  "stateFips": "30",
  "state": "MT",
  "county": "Richland County",
  "region": "Richland County, MT",
  "operator": {
    "id": "40149",
    "name": "MPLX LP"
  },
  "commodity": "Crude Oil",
  "mileage": 13.06726137,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 7154,
    "rowSha256": "0fad44695067bd5b7dc70319051ebdde70c16f76054c93b27079b98b76718bf2"
  },
  "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": "MPLX LP"
}
```