# PHMSA Hazmat Incident I-2022080001 — AMMONIA ANHYDROUS — NEW HAMPTON, IA

**Citation:** PHMSA Hazmat Incident I-2022080001  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2021-09-28  
**Published:** Not stated

Serious reporter-submitted hazardous materials transportation incident on 2021-09-28 in NEW HAMPTON, IA.

## Document text

PHMSA hazardous materials incident report I-2022080001.
Incident date: 2021-09-28.
Location: NEW HAMPTON, IA.
Mode: Rail.
Carrier/reporter: CANADIAN PACIFIC RAILROAD.
Shipper: Canadian Fertilizers LTD.
Materials: UN1005; AMMONIA ANHYDROUS; hazard class 2.3; 0.000006 GCF released | UN1005; AMMONIA ANHYDROUS; hazard class 2.3; 4022.7654 GCF released.
What failed: Stub Sill (Tank Car) / Tank Head; Tank Shell.
How failed: Bent / Punctured; Punctured.
Reported failure causes: Derailment / Derailment; Derailment.
Reported result: Spillage, Material Entered Waterway/Storm Sewer, 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=JWip4PIMe6hPBNguNiLdYQ%3D%3D>
- Source ID: `phmsa-hazmat-incidents`
- SHA-256: `ffd3aa6566a686283a3715adc8024ccd57c9e273b2310a4674aaac35d6851ef4`
- Retrieved: 2026-08-13T12:55:56.545Z
- Exported: 2026-08-26T05:10:47.917Z
- Document slug: `phmsa-hazmat-incident-i-2022080001`

### Source metadata

```json
{
  "materialSubtype": "phmsa_hazmat_serious_incident",
  "reportNumber": "I-2022080001",
  "operatorReported": true,
  "serious": true,
  "finalAgencyFinding": false,
  "eventDescriptionExcluded": true,
  "publicPdfUrl": "https://portal.phmsa.dot.gov/PDFGenerator/getPublicReport/OHMIR_5800-1-PUBLIC?INCIDENTID=JWip4PIMe6hPBNguNiLdYQ%3D%3D",
  "rowCount": 4,
  "carrierReporterNames": [
    "CANADIAN PACIFIC RAILROAD"
  ],
  "shipperNames": [
    "Canadian Fertilizers LTD"
  ],
  "routes": [
    "MP 73, Mason City Sub"
  ],
  "cities": [
    "NEW HAMPTON"
  ],
  "states": [
    "IA"
  ],
  "originCities": [],
  "modes": [
    "Rail"
  ],
  "materials": [
    {
      "identificationNumber": "UN1005",
      "commodityName": "AMMONIA ANHYDROUS",
      "hazardousClass": "2.3",
      "quantityReleased": "0.000006",
      "unitOfMeasure": "GCF"
    },
    {
      "identificationNumber": "UN1005",
      "commodityName": "AMMONIA ANHYDROUS",
      "hazardousClass": "2.3",
      "quantityReleased": "4022.7654",
      "unitOfMeasure": "GCF"
    }
  ],
  "packages": [
    {
      "identificationMarkings": "112J500I",
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "4496.9952",
      "outerCapacityUnit": "GCF",
      "outerShipmentCount": "0",
      "outerFailedCount": "0",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    },
    {
      "identificationMarkings": "112J500I",
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "4502.3424",
      "outerCapacityUnit": "GCF",
      "outerShipmentCount": "0",
      "outerFailedCount": "0",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    },
    {
      "identificationMarkings": "112J500I",
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "4570.5192",
      "outerCapacityUnit": "GCF",
      "outerShipmentCount": "0",
      "outerFailedCount": "0",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    },
    {
      "identificationMarkings": "112J500I",
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "4577.2032",
      "outerCapacityUnit": "GCF",
      "outerShipmentCount": "0",
      "outerFailedCount": "0",
      "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"
}
```