# NAVAJO NATION OIL AND GAS COMPANY — Notice of Amendment

**Citation:** CPF 420075012M  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2007-04-17

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

## Document text

Notice of Amendment involving NAVAJO NATION OIL AND GAS COMPANY. PHMSA's enforcement data identifies the cited regulations as 195.452(c)(1),  195.452(f)(8),  195.452(i)(2),  195.452(i)(3),  195.452(j)(2),  195.452(j)(3),  195.452(j)(4),  195.452(k). The case was opened on 2007-04-17 and is reported as closed as of 2007-12-21. Open the official case record for notices, responses, orders, and the latest status.

Official case documents:

420075012M_NOA letter_04172007.pdf: https://primis.phmsa.dot.gov/enforcement-documents/420075012M/420075012M_NOA%20letter_04172007.pdf

420075012m_noa letter_04172007_text.pdf: https://primis.phmsa.dot.gov/enforcement-documents/420075012M/420075012m_noa%20letter_04172007_text.pdf

420075012M_Operator Response_12142007.pdf: https://primis.phmsa.dot.gov/enforcement-documents/420075012M/420075012M_Operator%20Response_12142007.pdf

## Provenance

- Official: Yes
- Source: <https://primis.phmsa.dot.gov/enforcement-data/case/420075012M>
- Source ID: `phmsa-enforcement`
- SHA-256: `067261f7bec00c2f5fac7ec1f950cff1491c58024c3e1cf0e2128495502dc7ca`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-25T19:00:14.330Z
- Document slug: `phmsa-enforcement-420075012m`

### Source metadata

```json
{
  "cpf": "420075012M",
  "operator": "NAVAJO NATION OIL AND GAS COMPANY",
  "region": "Southwest",
  "pipelineType": "INTERSTATE LIQUID ONSHORE",
  "caseStatus": "CLOSED",
  "citedSections": [
    "195.452(c)(1)",
    "195.452(f)(8)",
    "195.452(i)(2)",
    "195.452(i)(3)",
    "195.452(j)(2)",
    "195.452(j)(3)",
    "195.452(j)(4)",
    "195.452(k)"
  ],
  "dataAsOf": "08/04/2026 12PM",
  "caseDataAsOf": "2026-08-04",
  "attachmentCount": 3,
  "attachments": [
    {
      "name": "420075012M_NOA letter_04172007.pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/420075012M/420075012M_NOA%20letter_04172007.pdf",
      "bytes": 780764,
      "category": "case_document"
    },
    {
      "name": "420075012m_noa letter_04172007_text.pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/420075012M/420075012m_noa%20letter_04172007_text.pdf",
      "bytes": 2993379,
      "category": "case_document"
    },
    {
      "name": "420075012M_Operator Response_12142007.pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/420075012M/420075012M_Operator%20Response_12142007.pdf",
      "bytes": 394599,
      "category": "party_submission"
    }
  ],
  "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": "NAVAJO NATION OIL AND GAS COMPANY"
}
```