# NORTHERN NATURAL GAS CO — Sioux County, IA

**Citation:** NPMS FIPS 19167 / OPID 13750  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

54.465937 active Natural Gas pipeline miles in Sioux County, IA; public NPMS snapshot 2026-07-16.

## Document text

NORTHERN NATURAL GAS CO (PHMSA OPID 13750) reported 54.465937 active Natural Gas pipeline miles in Sioux County, IA (county FIPS 19167) 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: `2794d6bd27d8f7e06b7e6d39fef9566d58307d563617af81e9db750ded6d2f28`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T16:51:38.529Z
- Document slug: `npms-mileage-d1e6c9d7ab8706613e7d5cdf`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "19167",
  "stateFips": "19",
  "state": "IA",
  "county": "Sioux County",
  "region": "Sioux County, IA",
  "operator": {
    "id": "13750",
    "name": "NORTHERN NATURAL GAS CO"
  },
  "commodity": "Natural Gas",
  "mileage": 54.46593749,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 3139,
    "rowSha256": "ebb0946f0b7ee1ba58869f891f557407b8087c71aee28474f315fd023a6fce97"
  },
  "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"
}
```