# MARATHON PIPE LINE LLC — Glasscock County, TX

**Citation:** NPMS FIPS 48173 / OPID 32147  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

20.646943 active Natural Gas Liquids pipeline miles in Glasscock County, TX; public NPMS snapshot 2026-07-16.

## Document text

MARATHON PIPE LINE LLC (PHMSA OPID 32147) reported 20.646943 active Natural Gas Liquids pipeline miles in Glasscock County, TX (county FIPS 48173) 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: `b7ad02f25a80f464c705e013c5ba287deb31d48180344aa45f99ea27832d716c`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-24T14:45:48.740Z
- Document slug: `npms-mileage-4bf0a3c1ce9e38376da4a79f`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "48173",
  "stateFips": "48",
  "state": "TX",
  "county": "Glasscock County",
  "region": "Glasscock County, TX",
  "operator": {
    "id": "32147",
    "name": "MARATHON PIPE LINE LLC"
  },
  "commodity": "Natural Gas Liquids",
  "mileage": 20.64694318,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 11883,
    "rowSha256": "2184cedfd178bd68db15cd2a0ebed160ef497805f7674c55301f7a4b894cfdf9"
  },
  "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": "MARATHON PIPE LINE LLC"
}
```