# TEXAS NATURAL GAS CO — Warning Letter

**Citation:** CPF 420021001W  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2002-07-15

CLOSED warning letter citing 191.5.

## Document text

Warning Letter involving TEXAS NATURAL GAS CO. PHMSA's enforcement data identifies the cited regulation as 191.5. The case was opened on 2002-07-15 and is reported as closed as of 2002-07-15. 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/420021001W>
- Source ID: `phmsa-enforcement`
- SHA-256: `d4ce0f0abb2a99ad70ff842d173c607fcc274f27a5b552b2a103e168f8d48875`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-25T04:08:54.850Z
- Document slug: `phmsa-enforcement-420021001w`

### Source metadata

```json
{
  "cpf": "420021001W",
  "operator": "TEXAS NATURAL GAS CO",
  "region": "Southwest",
  "pipelineType": "GAS INTERSTATE ONSHORE",
  "caseStatus": "CLOSED",
  "citedSections": [
    "191.5"
  ],
  "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": "TEXAS NATURAL GAS CO"
}
```