# PHMSA Hazmat Incident E-2018010204 — LPG — MARYSVILLE, MI

**Citation:** PHMSA Hazmat Incident E-2018010204  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2017-12-16  
**Published:** Not stated

Serious reporter-submitted hazardous materials transportation incident on 2017-12-16 in MARYSVILLE, MI.

## Document text

PHMSA hazardous materials incident report E-2018010204.
Incident date: 2017-12-16.
Location: MARYSVILLE, MI.
Mode: Rail.
Carrier/reporter: DCP Midstream, LP.
Shipper: Quality Energy.
Materials: UN1075; LPG; hazard class 2.1; 3200 LGA released.
What failed: Excess Flow Valve; Piping or Fittings.
How failed: Failed to Operate; Leaked.
Reported failure causes: Broken Component or Device; Human Error.
Reported result: Vapor(Gas) Dispersion.
Reporter-submitted DOT Form 5800.1 data may be incomplete, corrected, supplemented, or misreported. A record, serious-incident classification, failure description, or relationship to a reporting rule is not a PHMSA causal finding, compliance determination, or finding of a violation.

## Provenance

- Official: Yes
- Source: <https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=HRgaChknUghXkdsjMQOvcQ%3D%3D>
- Source ID: `phmsa-hazmat-incidents`
- SHA-256: `fc89c0d51532f38a58a05bcef1ea2b5821ccc8b317d39845ad916ada3e8eb668`
- Retrieved: 2026-08-13T12:55:56.545Z
- Exported: 2026-08-25T17:45:06.223Z
- Document slug: `phmsa-hazmat-incident-e-2018010204`

### Source metadata

```json
{
  "materialSubtype": "phmsa_hazmat_serious_incident",
  "reportNumber": "E-2018010204",
  "operatorReported": true,
  "serious": true,
  "finalAgencyFinding": false,
  "eventDescriptionExcluded": true,
  "publicPdfUrl": "https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=HRgaChknUghXkdsjMQOvcQ%3D%3D",
  "rowCount": 1,
  "carrierReporterNames": [
    "DCP Midstream, LP"
  ],
  "shipperNames": [
    "Quality Energy"
  ],
  "routes": [
    "2510 Busha Highway"
  ],
  "cities": [
    "MARYSVILLE"
  ],
  "states": [
    "MI"
  ],
  "originCities": [
    "Houston"
  ],
  "modes": [
    "Rail"
  ],
  "materials": [
    {
      "identificationNumber": "UN1075",
      "commodityName": "LPG",
      "hazardousClass": "2.1",
      "quantityReleased": "3200",
      "unitOfMeasure": "LGA"
    }
  ],
  "packages": [
    {
      "identificationMarkings": "DOT112J340W",
      "outerMaterial": "AAR TC128-B NORM",
      "outerType": null,
      "outerCapacity": "30000",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "1",
      "outerFailedCount": "1",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    }
  ],
  "reportingRuleContext": [
    "171.15",
    "171.16"
  ],
  "caveat": "Reporter-submitted DOT Form 5800.1 data may be incomplete, corrected, supplemented, or misreported. A record, serious-incident classification, failure description, or relationship to a reporting rule is not a PHMSA causal finding, compliance determination, or finding of a violation.",
  "privacyCaveat": "The public CSV excludes preparer contact fields. Event Description is intentionally excluded from normalized records and search output to reduce incidental personal-information risk.",
  "jurisdiction": "US"
}
```