# HAWAII GAS — Warning Letter

**Citation:** CPF 520090017W  
**Type / status:** enforcement / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2009-06-05

CLOSED warning letter citing 192.177(a)(1).

## Document text

Warning Letter involving HAWAII GAS. PHMSA's enforcement data identifies the cited regulation as 192.177(a)(1). The case was opened on 2009-06-05 and is reported as closed as of 2009-06-05. Open the official case record for notices, responses, orders, and the latest status.

Official case documents:

520090017W_Operator Response_06172009.pdf: https://primis.phmsa.dot.gov/enforcement-documents/520090017W/520090017W_Operator%20Response_06172009.pdf

520090017W_WL_06042009.pdf: https://primis.phmsa.dot.gov/enforcement-documents/520090017W/520090017W_WL_06042009.pdf

520090017W_WL_06042009_text.pdf: https://primis.phmsa.dot.gov/enforcement-documents/520090017W/520090017W_WL_06042009_text.pdf

## Provenance

- Official: Yes
- Source: <https://primis.phmsa.dot.gov/enforcement-data/case/520090017W>
- Source ID: `phmsa-enforcement`
- SHA-256: `6f312eb7c9d6bec9453ecc59844c4eb7503e6d6422fa2993903ced06311c9c6b`
- Retrieved: 2026-08-20T04:44:44.458Z
- Exported: 2026-08-26T11:56:12.561Z
- Document slug: `phmsa-enforcement-520090017w`

### Source metadata

```json
{
  "cpf": "520090017W",
  "operator": "HAWAII GAS",
  "region": "Western",
  "pipelineType": "GAS INTRASTATE ONSHORE",
  "caseStatus": "CLOSED",
  "citedSections": [
    "192.177(a)(1)"
  ],
  "dataAsOf": "08/04/2026 12PM",
  "caseDataAsOf": "2026-08-04",
  "attachmentCount": 3,
  "attachments": [
    {
      "name": "520090017W_Operator Response_06172009.pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/520090017W/520090017W_Operator%20Response_06172009.pdf",
      "bytes": 90291,
      "category": "party_submission"
    },
    {
      "name": "520090017W_WL_06042009.pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/520090017W/520090017W_WL_06042009.pdf",
      "bytes": 1311658,
      "category": "case_document"
    },
    {
      "name": "520090017W_WL_06042009_text.pdf",
      "url": "https://primis.phmsa.dot.gov/enforcement-documents/520090017W/520090017W_WL_06042009_text.pdf",
      "bytes": 503034,
      "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": "HAWAII GAS"
}
```