# Columbia Gas Transmission Co — Pipeline Special Permit

**Citation:** PHMSA-2008-0331  
**Type / status:** permit / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2022-03-31  
**Published:** 2022-03-31

PHMSA-2008-0331, issued 2022-03-31 for Columbia Gas Transmission Co's gas transmission system.

## Document text

PHMSA pipeline special permit PHMSA-2008-0331. Operator: Columbia Gas Transmission Co. System: Gas Transmission. Issue date: 2022-03-31.

## Provenance

- Official: Yes
- Source: <https://www.regulations.gov/docket/PHMSA-2008-0331>
- Source ID: `phmsa-special-permits`
- SHA-256: `e1e2adec082e8467866a79497e16c572b7864aec2da92e1a1a2a30ae318e3fdb`
- Retrieved: 2026-08-20T01:06:17.853Z
- Exported: 2026-08-22T04:12:01.913Z
- Document slug: `phmsa-special-permit-phmsa-2008-0331`

### Source metadata

```json
{
  "materialSubtype": "pipeline_special_permit",
  "operator": "Columbia Gas Transmission Co",
  "system": "Gas Transmission",
  "issuedOn": "2022-03-31",
  "issuanceStatus": "issued",
  "renewal": null,
  "indexUrl": "https://www.phmsa.dot.gov/pipeline/special-permits-state-waivers/special-permits-issued",
  "docketUrl": "https://www.regulations.gov/docket/PHMSA-2008-0331",
  "docketDocumentCount": 20,
  "decisionDocumentCount": 0,
  "decisions": [],
  "citedSections": [],
  "caveat": "The issued-permit index establishes issuance, not current validity or applicability to facilities beyond those covered by the permit. Read the official decision and conditions.",
  "jurisdiction": "US",
  "operatorName": "Columbia Gas Transmission Co"
}
```