# MARATHON PIPE LINE LLC — Hamilton County, IN

**Citation:** NPMS FIPS 18057 / OPID 32147  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

12.965866 active Crude Oil pipeline miles in Hamilton County, IN; public NPMS snapshot 2026-07-16.

## Document text

MARATHON PIPE LINE LLC (PHMSA OPID 32147) reported 12.965866 active Crude Oil pipeline miles in Hamilton County, IN (county FIPS 18057) 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: `571da8e068917710f3ccc8a2ffe3012ada16cfde401af0eeae83d2981014d4e7`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T08:25:15.317Z
- Document slug: `npms-mileage-41896356f699b2385904c602`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "18057",
  "stateFips": "18",
  "state": "IN",
  "county": "Hamilton County",
  "region": "Hamilton County, IN",
  "operator": {
    "id": "32147",
    "name": "MARATHON PIPE LINE LLC"
  },
  "commodity": "Crude Oil",
  "mileage": 12.96586553,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 2465,
    "rowSha256": "49d34476f63d27d767b2c42b4c75e000bd85389329b802b90cc326b4c97b5535"
  },
  "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"
}
```