# SOUTH BOW INFRASTRUCTURE OPERATIONS INC. — Marshall County, SD

**Citation:** NPMS FIPS 46091 / OPID 32334  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

26.144854 active Crude Oil pipeline miles in Marshall County, SD; public NPMS snapshot 2026-07-16.

## Document text

SOUTH BOW INFRASTRUCTURE OPERATIONS INC. (PHMSA OPID 32334) reported 26.144854 active Crude Oil pipeline miles in Marshall County, SD (county FIPS 46091) 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: `414e664596f46a11d2bdc36a6127ccaae0f2978b3fee024c80581fd886f37388`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T03:36:42.826Z
- Document slug: `npms-mileage-17633536f572103302f6eafe`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "46091",
  "stateFips": "46",
  "state": "SD",
  "county": "Marshall County",
  "region": "Marshall County, SD",
  "operator": {
    "id": "32334",
    "name": "SOUTH BOW INFRASTRUCTURE OPERATIONS INC."
  },
  "commodity": "Crude Oil",
  "mileage": 26.14485417,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 10537,
    "rowSha256": "1b11466436e39eb5a89fe6dbbb356d7d6a35c9cfb4d9e6d0c21639bedd39b9ea"
  },
  "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": "SOUTH BOW INFRASTRUCTURE OPERATIONS INC."
}
```