# COLUMBIA GAS TRANSMISSION, LLC — Warning Letter

**Citation:** CPF 320041009  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2004-08-12

CLOSED warning letter citing 192.617.

## Document text

Warning Letter involving COLUMBIA GAS TRANSMISSION, LLC. PHMSA's enforcement data identifies the cited regulation as 192,  192.617. The case was opened on 2004-08-12 and is reported as closed as of 2004-08-12. 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/320041009>
- Source ID: `phmsa-enforcement`
- SHA-256: `3f946f04eb775f75d2202b9f703f82380472a4709edc548c13ffee8ba0b10b2c`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-23T15:45:12.718Z
- Document slug: `phmsa-enforcement-320041009`

### Source metadata

```json
{
  "cpf": "320041009",
  "operator": "COLUMBIA GAS TRANSMISSION, LLC",
  "region": "Central",
  "pipelineType": "GAS INTERSTATE ONSHORE",
  "caseStatus": "CLOSED",
  "citedSections": [
    "192.617"
  ],
  "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": "COLUMBIA GAS TRANSMISSION, LLC"
}
```