# MPLX LP — Uinta County, WY

**Citation:** NPMS FIPS 56041 / OPID 40149  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

8.909519 active Natural Gas Liquids pipeline miles in Uinta County, WY; public NPMS snapshot 2026-07-16.

## Document text

MPLX LP (PHMSA OPID 40149) reported 8.909519 active Natural Gas Liquids pipeline miles in Uinta County, WY (county FIPS 56041) 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: `66b289a2d84c7a7905eff90b1d22f009d9d466c5e267b93ad31427ccf626f9a1`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-24T20:47:59.537Z
- Document slug: `npms-mileage-25902fa839c43d22540e6e28`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "56041",
  "stateFips": "56",
  "state": "WY",
  "county": "Uinta County",
  "region": "Uinta County, WY",
  "operator": {
    "id": "40149",
    "name": "MPLX LP"
  },
  "commodity": "Natural Gas Liquids",
  "mileage": 8.90951894,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 15501,
    "rowSha256": "4124e17e16e07dee2540da3dc4a4cb7500fd77bf3e97a5bef515dd338f5065f4"
  },
  "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"
}
```