# MARATHON PIPE LINE LLC — Monroe County, MI

**Citation:** NPMS FIPS 26115 / OPID 32147  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

28.457186 active Crude Oil pipeline miles in Monroe County, MI; public NPMS snapshot 2026-07-16.

## Document text

MARATHON PIPE LINE LLC (PHMSA OPID 32147) reported 28.457186 active Crude Oil pipeline miles in Monroe County, MI (county FIPS 26115) 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: `d0f26e051c45d1bb06314219810f1418757cd89b4736455a57971e2c304d89f0`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-23T17:07:02.611Z
- Document slug: `npms-mileage-d4ae318411ea5dbada809cf1`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "26115",
  "stateFips": "26",
  "state": "MI",
  "county": "Monroe County",
  "region": "Monroe County, MI",
  "operator": {
    "id": "32147",
    "name": "MARATHON PIPE LINE LLC"
  },
  "commodity": "Crude Oil",
  "mileage": 28.45718561,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 5813,
    "rowSha256": "af86fa6b6c71d58dcb704aee29a2211cb15aa5d8e07c0a650bb36b93fc3b47cb"
  },
  "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"
}
```