# COLUMBIA GAS TRANSMISSION, LLC — Notice of Probable Violation

**Citation:** CPF 12026015NOPV  
**Type / status:** enforcement / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2026-02-12

OPEN notice of probable violation citing 192.161(a)(1), 192.161(c), 192.481(a), 192.481(b), 192.625(a), 192.625(b), 192.739(a), 192.905(a).

## Document text

Notice of Probable Violation involving COLUMBIA GAS TRANSMISSION, LLC. PHMSA's enforcement data identifies the cited regulations as 192.161(a)(1),  192.161(c),  192.481(a),  192.481(b),  192.625(a),  192.625(b),  192.739(a),  192.905(a). The case was opened on 2026-02-12 and is reported as open. Open the official case record for notices, responses, orders, and the latest status.

Official case documents:

12026015NOPV_Operator Response to Notice and Request for Informal Meeting and Request for Hearing and Statement of Issues and Request for Case File_03132026_(24-296051).pdf: https://primis.phmsa.dot.gov/enforcement-documents/12026015NOPV/12026015NOPV_Operator%20Response%20to%20Notice%20and%20Request%20for%20Informal%20Meeting%20and%20Request%20for%20Hearing%20and%20Statement%20of%20Issues%20and%20Request%20for%20Case%20File_03132026_(24-296051).pdf

12026015NOPV_PCO_02122026_(24-296051).pdf: https://primis.phmsa.dot.gov/enforcement-documents/12026015NOPV/12026015NOPV_PCO_02122026_(24-296051).pdf

12026015NOPV_PCO_02122026_(24-296051)_text.pdf: https://primis.phmsa.dot.gov/enforcement-documents/12026015NOPV/12026015NOPV_PCO_02122026_(24-296051)_text.pdf

## Provenance

- Official: Yes
- Source: <https://primis.phmsa.dot.gov/enforcement-data/case/12026015NOPV>
- Source ID: `phmsa-enforcement`
- SHA-256: `c9e85bc1985cfb39a5e0324d6d17a15b380f0d0f666e2cc8478f122e0d96a7bb`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-22T10:38:54.644Z
- Document slug: `phmsa-enforcement-12026015nopv`

### Source metadata

```json
{
  "cpf": "12026015NOPV",
  "operator": "COLUMBIA GAS TRANSMISSION, LLC",
  "region": "Eastern",
  "pipelineType": "INTERSTATE GAS TRANSMISSION",
  "caseStatus": "OPEN",
  "citedSections": [
    "192.161(a)(1)",
    "192.161(c)",
    "192.481(a)",
    "192.481(b)",
    "192.625(a)",
    "192.625(b)",
    "192.739(a)",
    "192.905(a)"
  ],
  "dataAsOf": "08/04/2026 12PM",
  "caseDataAsOf": "2026-08-04",
  "attachmentCount": 3,
  "attachments": [
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      "name": "12026015NOPV_Operator Response to Notice and Request for Informal Meeting and Request for Hearing and Statement of Issues and Request for Case File_03132026_(24-296051).pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/12026015NOPV/12026015NOPV_Operator%20Response%20to%20Notice%20and%20Request%20for%20Informal%20Meeting%20and%20Request%20for%20Hearing%20and%20Statement%20of%20Issues%20and%20Request%20for%20Case%20File_03132026_(24-296051).pdf",
      "bytes": 220429,
      "category": "party_submission"
    },
    {
      "name": "12026015NOPV_PCO_02122026_(24-296051).pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/12026015NOPV/12026015NOPV_PCO_02122026_(24-296051).pdf",
      "bytes": 237758,
      "category": "case_document"
    },
    {
      "name": "12026015NOPV_PCO_02122026_(24-296051)_text.pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/12026015NOPV/12026015NOPV_PCO_02122026_(24-296051)_text.pdf",
      "bytes": 261075,
      "category": "case_document"
    }
  ],
  "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"
}
```