# RIO VISTA ENERGY PARTNERS, LP — Notice of Amendment

**Citation:** CPF 420045021M  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2004-05-19

CLOSED notice of amendment citing 195.452(c)(1)(ii), 195.452(f)(1), 195.452(f)(8), 195.452(h)(2), 195.452(h)(4), 195.452(i)(1), 195.452(i)(3), 195.452(i)(4), 195.452(j)(2), 195.452(j)(5)(ii).

## Document text

Notice of Amendment involving RIO VISTA ENERGY PARTNERS, LP. PHMSA's enforcement data identifies the cited regulations as 195.452(c)(1)(ii),  195.452(f)(1),  195.452(f)(8),  195.452(h)(2),  195.452(h)(4),  195.452(i)(1),  195.452(i)(3),  195.452(i)(4),  195.452(j)(2),  195.452(j)(5)(ii). The case was opened on 2004-05-19 and is reported as closed as of 2004-12-02. 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/420045021M>
- Source ID: `phmsa-enforcement`
- SHA-256: `98115e9c3c0f988c146bb03dbc765a55dcfab5880248b5a71c60da936a2cb303`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-24T02:52:40.402Z
- Document slug: `phmsa-enforcement-420045021m`

### Source metadata

```json
{
  "cpf": "420045021M",
  "operator": "RIO VISTA ENERGY PARTNERS, LP",
  "region": "Southwest",
  "pipelineType": "INTERSTATE LIQUID ONSHORE",
  "caseStatus": "CLOSED",
  "citedSections": [
    "195.452(c)(1)(ii)",
    "195.452(f)(1)",
    "195.452(f)(8)",
    "195.452(h)(2)",
    "195.452(h)(4)",
    "195.452(i)(1)",
    "195.452(i)(3)",
    "195.452(i)(4)",
    "195.452(j)(2)",
    "195.452(j)(5)(ii)"
  ],
  "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": "RIO VISTA ENERGY PARTNERS, LP"
}
```