# MPLX LP — Butler County, PA

**Citation:** NPMS FIPS 42019 / OPID 40149  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

22.14204 active Natural Gas Liquids pipeline miles in Butler County, PA; public NPMS snapshot 2026-07-16.

## Document text

MPLX LP (PHMSA OPID 40149) reported 22.14204 active Natural Gas Liquids pipeline miles in Butler County, PA (county FIPS 42019) 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: `fb4ad120ae05dcc85654ab7341817425598067dba2cf462d79ee961c191dd7a0`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T02:35:03.390Z
- Document slug: `npms-mileage-c38e7dfee6499dc263640777`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "42019",
  "stateFips": "42",
  "state": "PA",
  "county": "Butler County",
  "region": "Butler County, PA",
  "operator": {
    "id": "40149",
    "name": "MPLX LP"
  },
  "commodity": "Natural Gas Liquids",
  "mileage": 22.14203977,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 9999,
    "rowSha256": "8d6c9a18becbdbf9e45df2af5bbaa283b1ccf8db24879ee5978b11c54351cb08"
  },
  "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"
}
```