# MPLX LP — Marshall County, WV

**Citation:** NPMS FIPS 54051 / OPID 40149  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

91.30535 active Natural Gas Liquids pipeline miles in Marshall County, WV; public NPMS snapshot 2026-07-16.

## Document text

MPLX LP (PHMSA OPID 40149) reported 91.30535 active Natural Gas Liquids pipeline miles in Marshall County, WV (county FIPS 54051) 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: `ca57185ecc30af76c5d4409b0636c083bba390838560978738eadc3a6b43d911`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T06:37:54.876Z
- Document slug: `npms-mileage-37e9bbe2bf98f246a2bf076e`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "54051",
  "stateFips": "54",
  "state": "WV",
  "county": "Marshall County",
  "region": "Marshall County, WV",
  "operator": {
    "id": "40149",
    "name": "MPLX LP"
  },
  "commodity": "Natural Gas Liquids",
  "mileage": 91.30535038,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 14954,
    "rowSha256": "a9966c1babc3efc1d1346c16006805c246fe29e7defa8a5b555f37997f37ecff"
  },
  "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"
}
```