# TRANSCONTINENTAL GAS PIPE LINE COMPANY — Gas transmission and gathering — incident on 2015-06-09

**Citation:** PHMSA Report 20150091  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2015-06-09  
**Published:** 2015-07-09

Gas transmission and gathering incident in BENTON, LYCOMING COUNTY County, PA. Reported cause: MATERIAL FAILURE OF PIPE OR WELD. Reported consequences: 0 fatalities, 0 injuries, 96379 NATURAL GAS released, $420,000 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 BENTON, LYCOMING COUNTY County, PA. Reported cause: MATERIAL FAILURE OF PIPE OR WELD. Reported consequences: 0 fatalities, 0 injuries, 96379 NATURAL GAS released, $420,000 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: 20150091.

Operator ID: 19570.

Reported incident date: 6/9/2015 21:30.

Location detail: MP 118.6

Cause detail: ENVIRONMENTAL CRACKING-RELATED

Cause detail: ON JUNE 9,2015 LEIDY B LINE RUPTURED BETWEEN MLV517LB0 AND MLV517LB10. AT APPROXIMATELY 9:30 GAS CONTROL RECIEVED A LOW LOW PRESSURE ALARM AND NOTIFIED LOCAL PERSONNEL. THE MAINLINE BLOCK VALVES WERE CLOSED TO ISOLATE THE SEGMENT. EMERGENCY RESPONDERS AND WILLIAMS PERSONNELL ISOLATED THE INCIDENT SITE AND NOTIFIED THE NRC.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: MATERIAL FAILURE OF PIPE OR WELD — ENVIRONMENTAL CRACKING-RELATED.

PHMSA indexed costs: $751,154 reported total cost, $513,500.373 in 1984 dollars, $896,877.003 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: `a83c6f417d030038b9a3a049db62d5582df71e5a8979ac428a8d6456623f6089`
- Retrieved: 2026-08-20T03:30:32.010Z
- Exported: 2026-08-23T17:05:04.470Z
- Document slug: `phmsa-incident-8c715fa21eb36411762f2fca`

### Source metadata

```json
{
  "recordKind": "pipeline_incident",
  "datasetType": "gas_transmission_gathering",
  "datasetLabel": "Gas transmission and gathering",
  "datasetPeriod": "January 2010 to present",
  "report": {
    "number": "20150091",
    "supplementalNumber": "16997",
    "type": "SUPPLEMENTAL FINAL",
    "receivedDate": "2015-07-09",
    "receivedDateRaw": "7/9/2015"
  },
  "operator": {
    "id": "19570",
    "name": "TRANSCONTINENTAL GAS PIPE LINE COMPANY"
  },
  "incident": {
    "date": "2015-06-09",
    "dateRaw": "6/9/2015 21:30"
  },
  "location": {
    "city": "BENTON",
    "county": "LYCOMING COUNTY",
    "state": "PA",
    "postalCode": "17814-7935",
    "latitude": 41.26376858,
    "longitude": -76.4946141,
    "type": "PIPELINE RIGHT-OF-WAY",
    "details": {
      "DESIGNATED_NAME": "MP 118.6"
    },
    "facilityName": "LEIDY LINE B"
  },
  "cause": {
    "category": "MATERIAL FAILURE OF PIPE OR WELD",
    "details": {
      "CAUSE_DETAILS": "ENVIRONMENTAL CRACKING-RELATED",
      "NARRATIVE": "ON JUNE 9,2015 LEIDY B LINE RUPTURED BETWEEN MLV517LB0 AND MLV517LB10. AT APPROXIMATELY 9:30 GAS CONTROL RECIEVED A LOW LOW PRESSURE ALARM AND NOTIFIED LOCAL PERSONNEL. THE MAINLINE BLOCK VALVES WERE CLOSED TO ISOLATE THE SEGMENT. EMERGENCY RESPONDERS AND WILLIAMS PERSONNELL ISOLATED THE INCIDENT SITE AND NOTIFIED THE NRC."
    }
  },
  "consequences": {
    "fatalities": 0,
    "injuries": 0,
    "commodity": "NATURAL GAS",
    "release": "96379",
    "propertyDamage": 420000,
    "estimatedOperatorCost": 0,
    "estimatedEmergencyCost": 10000,
    "estimatedEnvironmentalCost": null,
    "ignition": "NO",
    "explosion": "NO",
    "evacuated": 150,
    "raw": {
      "FATAL": "0",
      "INJURE": "0",
      "UNINTENTIONAL_RELEASE": "96379",
      "EST_COST_PROP_DAMAGE": "420000",
      "PRPTY": "751154"
    }
  },
  "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": 1306,
    "rowSha256": "50439b2b3d83a436c99ac0b86853f5a0da54bb5322cb6d5b7b465437b699fa61"
  },
  "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": "ENVIRONMENTAL CRACKING-RELATED",
      "eightCategory": "MATERIAL FAILURE OF PIPE OR WELD",
      "eightSubcategory": "ENVIRONMENTAL CRACKING-RELATED"
    },
    "costs": {
      "reported": 751154,
      "in1984Dollars": 513500.37342478853,
      "currentYearDollars": 896877.0031105132
    },
    "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": 689,
      "rowSha256": "c3bd18970d95cdeec8b69c18c31c771b76b12ef93a27de05401cc34f2c2e87a7"
    }
  },
  "jurisdiction": "US",
  "operatorName": "TRANSCONTINENTAL GAS PIPE LINE COMPANY"
}
```