# MPLX LP — Martin County, KY

**Citation:** NPMS FIPS 21159 / OPID 40149  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

20.43925 active Natural Gas Liquids pipeline miles in Martin County, KY; public NPMS snapshot 2026-07-16.

## Document text

MPLX LP (PHMSA OPID 40149) reported 20.43925 active Natural Gas Liquids pipeline miles in Martin County, KY (county FIPS 21159) 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: `4b80612a2609c344bc7727e0e5103bad89533bde825cba26ab02ab903e74d891`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T10:45:52.295Z
- Document slug: `npms-mileage-338bafb14093a4c3e98c38fe`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "21159",
  "stateFips": "21",
  "state": "KY",
  "county": "Martin County",
  "region": "Martin County, KY",
  "operator": {
    "id": "40149",
    "name": "MPLX LP"
  },
  "commodity": "Natural Gas Liquids",
  "mileage": 20.43925,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 4164,
    "rowSha256": "e4475f1f7452815e42bd1e30411a49e0fc0ef1e3c623fe57ff6ad5471f8679a8"
  },
  "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"
}
```
