# COLORADO INTERSTATE GAS CO — Gas transmission and gathering — incident on 2012-11-26

**Citation:** PHMSA Report 20120125  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2012-11-26  
**Published:** 2012-12-14

Gas transmission and gathering incident in LARAMIE, ALBANY County, WY. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 33806 NATURAL GAS released, $1,000 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings. PHMSA trend classification: significant incident, not serious.

## Document text

Gas transmission and gathering incident in LARAMIE, ALBANY County, WY. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 33806 NATURAL GAS released, $1,000 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.

Report number: 20120125.

Operator ID: 2564.

Reported incident date: 11/26/2012 3:56.

Location detail: 156+48188

Cause detail: MALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Cause detail: FAILED HAZARDOUS GAS DETECTOR CAUSED PARTIAL STATION ESD. UNIT SUCTION ESD VALVE ONLY PARTIALLY CLOSED DUE TO MALFUNCTION IN VALVE ACTUATOR CAUSING CONTINUOUS VENTING EXCEEDING REPORTING CRITERIA. OPERATIONS PERSONNEL SECURED THE AREA AND SHUT-IN THE VENT VALVES.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: EQUIPMENT FAILURE — MALFUNCTION OF CONTROL/RELIEF EQUIPMENT.

PHMSA indexed costs: $62,143 reported total cost, $51,340.206 in 1984 dollars, $64,208.681 in current-year dollars.

PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.

## Provenance

- Official: Yes
- Source: <https://data.transportation.gov/api/views/27nc-rsge/files/2b05c2d8-d14a-4c56-ac1c-7d23a4bc31c8?download=true&filename=Gas%20Transmission%20%26%20Gathering%20Incident%20Data%20-%20January%202010%20to%20present.zip>
- Source ID: `phmsa-pipeline-incidents`
- SHA-256: `047312af70e8b09cda8397c60a7bdc2baf4132623e578847da0a0e0c714d1269`
- Retrieved: 2026-08-20T03:30:32.010Z
- Exported: 2026-08-26T02:42:56.963Z
- Document slug: `phmsa-incident-9b594af72cd4e46599a6df28`

### Source metadata

```json
{
  "recordKind": "pipeline_incident",
  "datasetType": "gas_transmission_gathering",
  "datasetLabel": "Gas transmission and gathering",
  "datasetPeriod": "January 2010 to present",
  "report": {
    "number": "20120125",
    "supplementalNumber": "16387",
    "type": "SUPPLEMENTAL FINAL",
    "receivedDate": "2012-12-14",
    "receivedDateRaw": "12/14/2012"
  },
  "operator": {
    "id": "2564",
    "name": "COLORADO INTERSTATE GAS CO"
  },
  "incident": {
    "date": "2012-11-26",
    "dateRaw": "11/26/2012 3:56"
  },
  "location": {
    "city": "LARAMIE",
    "county": "ALBANY",
    "state": "WY",
    "postalCode": "82070",
    "latitude": 41.433889,
    "longitude": -105.935833,
    "type": "OPERATOR-CONTROLLED PROPERTY",
    "details": {
      "DESIGNATED_NAME": "156+48188"
    },
    "facilityName": "LARAMIE COMPRESSOR STATION"
  },
  "cause": {
    "category": "EQUIPMENT FAILURE",
    "details": {
      "CAUSE_DETAILS": "MALFUNCTION OF CONTROL/RELIEF EQUIPMENT",
      "NARRATIVE": "FAILED HAZARDOUS GAS DETECTOR CAUSED PARTIAL STATION ESD. UNIT SUCTION ESD VALVE ONLY PARTIALLY CLOSED DUE TO MALFUNCTION IN VALVE ACTUATOR CAUSING CONTINUOUS VENTING EXCEEDING REPORTING CRITERIA. OPERATIONS PERSONNEL SECURED THE AREA AND SHUT-IN THE VENT VALVES."
    }
  },
  "consequences": {
    "fatalities": 0,
    "injuries": 0,
    "commodity": "NATURAL GAS",
    "release": "33806",
    "propertyDamage": 1000,
    "estimatedOperatorCost": 0,
    "estimatedEmergencyCost": 800,
    "estimatedEnvironmentalCost": null,
    "ignition": "NO",
    "explosion": "NO",
    "evacuated": 0,
    "raw": {
      "FATAL": "0",
      "INJURE": "0",
      "UNINTENTIONAL_RELEASE": "33806",
      "EST_COST_PROP_DAMAGE": "1000",
      "PRPTY": "62143"
    }
  },
  "provenance": {
    "viewId": "27nc-rsge",
    "viewUrl": "https://data.transportation.gov/api/views/27nc-rsge",
    "assetId": "2b05c2d8-d14a-4c56-ac1c-7d23a4bc31c8",
    "archiveFilename": "Gas Transmission & Gathering Incident Data - January 2010 to present.zip",
    "archiveSha256": "fe0b136ca4b00ac987a8bc2e195098accf910d97512c5fc3b59e62d9da5f674e",
    "memberPath": "incident_gas_transmission_gathering_jan2010_present.txt",
    "memberSha256": "b435f2a25718cf54c54e00294e6788c4f9c6860e02fb86355e75d294c243c4dd",
    "rowNumber": 1647,
    "rowSha256": "757950100cd9b87b0d7e459b39d8bb334657a4e1653dd39a5c2e023f735c6026"
  },
  "caveat": "Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.",
  "operatorReported": true,
  "finalAgencyFinding": false,
  "flaggedAnalysis": {
    "dataAsOf": "2026-07-31",
    "flags": {
      "fireFirst": null,
      "significant": true,
      "serious": false
    },
    "standardizedCause": {
      "sevenCategory": "MATERIAL/WELD/EQUIP FAILURE",
      "sevenSubcategory": "MALFUNCTION OF CONTROL/RELIEF EQUIPMENT",
      "eightCategory": "EQUIPMENT FAILURE",
      "eightSubcategory": "MALFUNCTION OF CONTROL/RELIEF EQUIPMENT"
    },
    "costs": {
      "reported": 62143,
      "in1984Dollars": 51340.20587737844,
      "currentYearDollars": 64208.680634249475
    },
    "caveat": "PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.",
    "provenance": {
      "sourceUrl": "https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/data_statistics/pipeline/PHMSA_Pipeline_Safety_Flagged_Incidents.zip",
      "landingPageUrl": "https://www.phmsa.dot.gov/data-and-statistics/pipeline/pipeline-incident-flagged-files",
      "catalogUrl": "https://data.transportation.gov/Pipelines-and-Hazmat/Pipeline-Incident-Flagged-Files/qdme-9bbm",
      "retrievalMode": "official_live",
      "archivedAt": null,
      "archiveSha256": "317e6a3e16d60b9b677efe391dc40258b5dd7ead83fb8bea74cb553cedfbbdec",
      "workbook": "gtggungs2010toPresent.xlsx",
      "sheet": "gtggungs2010toPresent",
      "rowNumber": 341,
      "rowSha256": "02a619ea0011afc87e04675e5f184b6c87caa4d28a6dd4222f0e031acb3b7fe5"
    }
  },
  "jurisdiction": "US",
  "operatorName": "COLORADO INTERSTATE GAS CO"
}
```