# SOUTHERN NATURAL GAS CO — Warning Letter

**Citation:** CPF 220041001  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2004-03-17

CLOSED warning letter citing 192.491, 192.707, 192.709.

## Document text

Warning Letter involving SOUTHERN NATURAL GAS CO. PHMSA's enforcement data identifies the cited regulations as 192,  192.491,  192.707,  192.709. The case was opened on 2004-03-17 and is reported as closed as of 2004-03-17. Open the official case record for notices, responses, orders, and the latest status.

PHMSA lists no public case documents for this record.

## Provenance

- Official: Yes
- Source: <https://primis.phmsa.dot.gov/enforcement-data/case/220041001>
- Source ID: `phmsa-enforcement`
- SHA-256: `c32f8f3b7a808a7f969e5a0dee3f9465a81b2bea2c518d1ba7536e1154047b52`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-22T19:59:17.691Z
- Document slug: `phmsa-enforcement-220041001`

### Source metadata

```json
{
  "cpf": "220041001",
  "operator": "SOUTHERN NATURAL GAS CO",
  "region": "Southern",
  "pipelineType": "GAS INTERSTATE ONSHORE",
  "caseStatus": "CLOSED",
  "citedSections": [
    "192.491",
    "192.707",
    "192.709"
  ],
  "dataAsOf": "08/04/2026 12PM",
  "caseDataAsOf": "2026-08-04",
  "attachmentCount": 0,
  "attachments": [],
  "extractedAgencyDocumentCount": 0,
  "attachmentPolicy": "Official attachment links are retained. Agency-issued documents may also include a verified local PDF and page-level text representation.",
  "jurisdiction": "US",
  "operatorName": "SOUTHERN NATURAL GAS CO"
}
```