# INTERMOUNTAIN GAS CO — Notice of Probable Violation

**Citation:** CPF 520021001  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2002-03-06

CLOSED notice of probable violation citing 191.17(a), 192.165(b), 192.179(b), 192.459, 192.477, 192.481, 192.491(b), 192.605(a), 192.614, 192.615(a), 192.616, 192.705(a), 192.707(d), 192.709(b), 192.731(c), 192.736(c), 192.739(d), 192.743(b), 192.745, 199.11, 199.202, 199.21, 199.229, 199.25, 199.7(a).

## Document text

Notice of Probable Violation involving INTERMOUNTAIN GAS CO. PHMSA's enforcement data identifies the cited regulations as 191.17(a),  192.165(b),  192.179(b),  192.459,  192.477,  192.481,  192.491(b),  192.605(a),  192.614,  192.615(a),  192.616,  192.705(a),  192.707(d),  192.709(b),  192.731(c),  192.736(c),  192.739(d),  192.743(b),  192.745,  199.11,  199.202,  199.21,  199.229,  199.25,  199.7(a). The case was opened on 2002-03-06 and is reported as closed as of 2005-03-14. Proposed civil penalty: $335,000. Assessed civil penalty: $275,000. 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/520021001>
- Source ID: `phmsa-enforcement`
- SHA-256: `cabc9db631c3ab2cc912d7d3912fcbbc2b38402f6ad90ebe9b2bdd0cbb4ae98c`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-22T09:52:10.342Z
- Document slug: `phmsa-enforcement-520021001`

### Source metadata

```json
{
  "cpf": "520021001",
  "operator": "INTERMOUNTAIN GAS CO",
  "region": "Western",
  "pipelineType": "GAS INTERSTATE ONSHORE",
  "caseStatus": "CLOSED",
  "citedSections": [
    "191.17(a)",
    "192.165(b)",
    "192.179(b)",
    "192.459",
    "192.477",
    "192.481",
    "192.491(b)",
    "192.605(a)",
    "192.614",
    "192.615(a)",
    "192.616",
    "192.705(a)",
    "192.707(d)",
    "192.709(b)",
    "192.731(c)",
    "192.736(c)",
    "192.739(d)",
    "192.743(b)",
    "192.745",
    "199.11",
    "199.202",
    "199.21",
    "199.229",
    "199.25",
    "199.7(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": "INTERMOUNTAIN GAS CO"
}
```