# NORTHERN NATURAL GAS CO — St. Louis County, MN

**Citation:** NPMS FIPS 27137 / OPID 13750  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

194.02278 active Natural Gas pipeline miles in St. Louis County, MN; public NPMS snapshot 2026-07-16.

## Document text

NORTHERN NATURAL GAS CO (PHMSA OPID 13750) reported 194.02278 active Natural Gas pipeline miles in St. Louis County, MN (county FIPS 27137) 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: `92f365a97820870fd8f2b1fdde4a65ba657d3cba1cecc69f9817c94c0e5618b1`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T01:21:44.189Z
- Document slug: `npms-mileage-5eeef3c8039fe8e856701921`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "27137",
  "stateFips": "27",
  "state": "MN",
  "county": "St. Louis County",
  "region": "St. Louis County, MN",
  "operator": {
    "id": "13750",
    "name": "NORTHERN NATURAL GAS CO"
  },
  "commodity": "Natural Gas",
  "mileage": 194.0227803,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 6171,
    "rowSha256": "cae4e49606ecd68ba0d83ffd2c2ad1011ff7665395b7426927edda66c7bcb311"
  },
  "citedSections": [
    "191.29"
  ],
  "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": "NORTHERN NATURAL GAS CO"
}
```