# SOUTHERN NATURAL GAS CO — Union Parish, LA

**Citation:** NPMS FIPS 22111 / OPID 18516  
**Type / status:** inspection / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-07-16

23.681744 active Natural Gas pipeline miles in Union Parish, LA; public NPMS snapshot 2026-07-16.

## Document text

SOUTHERN NATURAL GAS CO (PHMSA OPID 18516) reported 23.681744 active Natural Gas pipeline miles in Union Parish, LA (county FIPS 22111) 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: `3a968f9dc30c33aede0a0d735c020e8f2adb2a08ca0632997cafe4c1d625e282`
- Retrieved: 2026-08-20T04:38:11.081Z
- Exported: 2026-08-25T14:56:22.452Z
- Document slug: `npms-mileage-36f38798abc8e7dd273b3ede`

### Source metadata

```json
{
  "materialSubtype": "pipeline_mileage",
  "dataAsOf": "2026-07-16",
  "dateBasis": "data_as_of_not_publication_date",
  "fips": "22111",
  "stateFips": "22",
  "state": "LA",
  "county": "Union Parish",
  "region": "Union Parish, LA",
  "operator": {
    "id": "18516",
    "name": "SOUTHERN NATURAL GAS CO"
  },
  "commodity": "Natural Gas",
  "mileage": 23.68174431,
  "plantCount": null,
  "snapshotScope": "active_assets_only",
  "personalContactDataExcluded": true,
  "restrictedGisExcluded": true,
  "provenance": {
    "workbook": "pipeline_mileage",
    "sheet": "Summary - Cnty, Oper, Commodity",
    "rowNumber": 5317,
    "rowSha256": "5c285c164235387cf4fd4fa838fd43ac797427b4b19eae5f35248d81918a4994"
  },
  "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": "SOUTHERN NATURAL GAS CO"
}
```