# ALLIANT ENERGY - INTERSTATE POWER AND LIGHT COMPANY — Union County, IA

**Citation:** NPMS FIPS 19175 / OPID 8170  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

1.840061 active Natural Gas pipeline miles in Union County, IA; public NPMS snapshot 2026-07-16.

## Document text

ALLIANT ENERGY - INTERSTATE POWER AND LIGHT COMPANY (PHMSA OPID 8170) reported 1.840061 active Natural Gas pipeline miles in Union County, IA (county FIPS 19175) 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: `de51340dd0ebb07d2746ffc057c722e2dfde31bd51af1fbd3a8fd0c07b34b5ae`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T05:10:32.882Z
- Document slug: `npms-mileage-ff3c63d44cc311369ccb73be`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "19175",
  "stateFips": "19",
  "state": "IA",
  "county": "Union County",
  "region": "Union County, IA",
  "operator": {
    "id": "8170",
    "name": "ALLIANT ENERGY - INTERSTATE POWER AND LIGHT COMPANY"
  },
  "commodity": "Natural Gas",
  "mileage": 1.8400606,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 3164,
    "rowSha256": "a04ae2d90636fff9c21671626ee09a9abce56f7def185e108bf8967b51dfda77"
  },
  "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": "ALLIANT ENERGY - INTERSTATE POWER AND LIGHT COMPANY"
}
```