# TRANSWESTERN PIPELINE COMPANY LLC — Notice of Amendment

**Citation:** CPF 420031009M  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2003-10-01

CLOSED notice of amendment citing 192.225(b), 192.227(a).

## Document text

Notice of Amendment involving TRANSWESTERN PIPELINE COMPANY LLC. PHMSA's enforcement data identifies the cited regulations as 192.225(b),  192.227(a). The case was opened on 2003-10-01 and is reported as closed as of 2004-05-19. 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/420031009M>
- Source ID: `phmsa-enforcement`
- SHA-256: `271befcac1fc39d5d1e21733b239f551c42be338bdc046a0ae264fba50e624ca`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-23T10:34:50.709Z
- Document slug: `phmsa-enforcement-420031009m`

### Source metadata

```json
{
  "cpf": "420031009M",
  "operator": "TRANSWESTERN PIPELINE COMPANY LLC",
  "region": "Southwest",
  "pipelineType": "GAS INTERSTATE ONSHORE",
  "caseStatus": "CLOSED",
  "citedSections": [
    "192.225(b)",
    "192.227(a)"
  ],
  "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": "TRANSWESTERN PIPELINE COMPANY LLC"
}
```