# TEXAS EASTERN TRANSMISSION, LP (SPECTRA ENERGY PARTNERS, LP) — Gas transmission and gathering — incident on 2017-10-17

**Citation:** PHMSA Report 20170103  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2017-10-17  
**Published:** 2017-11-15

Gas transmission and gathering incident in Not Within a Municipality, GARRETT County, MD. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 0.714 NATURAL GAS released, $300,000 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 Not Within a Municipality, GARRETT County, MD. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 0.714 NATURAL GAS released, $300,000 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: 20170103.

Operator ID: 19235.

Reported incident date: 10/17/2017 10:55.

Location detail: MILEPOST0.444

Cause detail: THREADED CONNECTION/COUPLING FAILURE

Cause detail: ON OCTOBER 17, 2017 AN ENBRIDGE COMPANY EMPLOYEE RESPONDED TO NATURAL GAS RELEASE ON ABOVE GROUND FACILITIES ASSOCIATED WITH A ACCIDENT WELL 67 ADJACENT TO 6-INCH LINE 49-B-18 IN GARRETT COUNTY, MARYLAND. THE EMPLOYEE ATTEMPTED TO STOP THE NATURAL GAS RELEASE BY TIGHTENING A BLEEDER VALVE ON A TUBING HEAD. THE BLEEDER VALVE SNAPPED OFF DURING THE PROCESS. THE STORAGE WELL REMAINS ISOLATED FROM THE PIPELINE UNTIL REPAIRS CAN BE SCHEDULED.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: EQUIPMENT FAILURE — THREADED CONNECTION/COUPLING FAILURE.

PHMSA indexed costs: $300,002 reported total cost, $146,646.911 in 1984 dollars, $361,143.863 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: `3fffb020c56165c17f219f4518738c2b1feab09b62aa4af95f03e3db41c94e8b`
- Retrieved: 2026-08-20T03:30:32.010Z
- Exported: 2026-08-24T16:40:08.670Z
- Document slug: `phmsa-incident-830d69fcd7c83ec33038a6e1`

### Source metadata

```json
{
  "recordKind": "pipeline_incident",
  "datasetType": "gas_transmission_gathering",
  "datasetLabel": "Gas transmission and gathering",
  "datasetPeriod": "January 2010 to present",
  "report": {
    "number": "20170103",
    "supplementalNumber": "30756",
    "type": "SUPPLEMENTAL FINAL",
    "receivedDate": "2017-11-15",
    "receivedDateRaw": "11/15/2017"
  },
  "operator": {
    "id": "19235",
    "name": "TEXAS EASTERN TRANSMISSION, LP (SPECTRA ENERGY PARTNERS, LP)"
  },
  "incident": {
    "date": "2017-10-17",
    "dateRaw": "10/17/2017 10:55"
  },
  "location": {
    "city": "Not Within a Municipality",
    "county": "GARRETT",
    "state": "MD",
    "postalCode": "21520",
    "latitude": 39.64002778,
    "longitude": -79.28568889,
    "type": "PIPELINE RIGHT-OF-WAY",
    "details": {
      "DESIGNATED_NAME": "MILEPOST0.444"
    },
    "facilityName": "ACCIDENT STORAGE FIELD"
  },
  "cause": {
    "category": "EQUIPMENT FAILURE",
    "details": {
      "CAUSE_DETAILS": "THREADED CONNECTION/COUPLING FAILURE",
      "NARRATIVE": "ON OCTOBER 17, 2017 AN ENBRIDGE COMPANY EMPLOYEE RESPONDED TO NATURAL GAS RELEASE ON ABOVE GROUND FACILITIES ASSOCIATED WITH A ACCIDENT WELL 67 ADJACENT TO 6-INCH LINE 49-B-18 IN GARRETT COUNTY, MARYLAND. THE EMPLOYEE ATTEMPTED TO STOP THE NATURAL GAS RELEASE BY TIGHTENING A BLEEDER VALVE ON A TUBING HEAD. THE BLEEDER VALVE SNAPPED OFF DURING THE PROCESS. THE STORAGE WELL REMAINS ISOLATED FROM THE PIPELINE UNTIL REPAIRS CAN BE SCHEDULED."
    }
  },
  "consequences": {
    "fatalities": 0,
    "injuries": 0,
    "commodity": "NATURAL GAS",
    "release": "0.714",
    "propertyDamage": 300000,
    "estimatedOperatorCost": 0,
    "estimatedEmergencyCost": 0,
    "estimatedEnvironmentalCost": null,
    "ignition": "NO",
    "explosion": "NO",
    "evacuated": 0,
    "raw": {
      "FATAL": "0",
      "INJURE": "0",
      "UNINTENTIONAL_RELEASE": "0.714",
      "EST_COST_PROP_DAMAGE": "300000",
      "PRPTY": "300002"
    }
  },
  "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": 1048,
    "rowSha256": "e1f9381bef7c1ba5c4657cb0ea22346b84b4b3d9b80481ad0105a7593746fc2b"
  },
  "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": "THREADED CONNECTION/COUPLING FAILURE",
      "eightCategory": "EQUIPMENT FAILURE",
      "eightSubcategory": "THREADED CONNECTION/COUPLING FAILURE"
    },
    "costs": {
      "reported": 300002,
      "in1984Dollars": 146646.91063938965,
      "currentYearDollars": 361143.86305327516
    },
    "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": 947,
      "rowSha256": "f8f246701e24f1dad9fd1deacd347fd36ea0b947c0c748d5a3adf69d23d38ae4"
    }
  },
  "jurisdiction": "US",
  "operatorName": "TEXAS EASTERN TRANSMISSION, LP (SPECTRA ENERGY PARTNERS, LP)"
}
```