# NORTHERN NATURAL GAS CO — Columbia County, WI

**Citation:** NPMS FIPS 55021 / OPID 13750  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

33.909557 active Natural Gas pipeline miles in Columbia County, WI; public NPMS snapshot 2026-07-16.

## Document text

NORTHERN NATURAL GAS CO (PHMSA OPID 13750) reported 33.909557 active Natural Gas pipeline miles in Columbia County, WI (county FIPS 55021) 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: `05a150d4f31ad9f9a6abf46255874730e3a87ca8507a24fdb2af4560306e7480`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-26T10:39:17.105Z
- Document slug: `npms-mileage-c4cedfe7a0dd5a56407e57ce`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "55021",
  "stateFips": "55",
  "state": "WI",
  "county": "Columbia County",
  "region": "Columbia County, WI",
  "operator": {
    "id": "13750",
    "name": "NORTHERN NATURAL GAS CO"
  },
  "commodity": "Natural Gas",
  "mileage": 33.90955681,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 15068,
    "rowSha256": "efc761930621ee4ad9b8c2078f7d1a03a7aa120530758e698a21b0a9a4c07d58"
  },
  "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"
}
```