# MARKWEST JAVELINA PIPELINE COMPANY, LLC — Gas transmission and gathering — incident on 2015-04-28 **Citation:** PHMSA Report 20150071 **Type / status:** incident / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective:** 2015-04-28 **Published:** 2015-05-22 Gas transmission and gathering incident in CORPUS CHRISTI, NUECES County, TX. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 833 HYDROGEN GAS released, $1,450,000 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 CORPUS CHRISTI, NUECES County, TX. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 833 HYDROGEN GAS released, $1,450,000 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: 20150071. Operator ID: 9171. Reported incident date: 4/28/2015 13:41. Location detail: CITGO WEST Cause detail: NON-THREADED CONNECTION FAILURE Cause detail: AN IN-LINE INSPECTION OF THE HYDROGEN PIPELINE WAS BEING CONDUCTED AND PRIOR TO THE LAST RUN OF THE IN-LINE INSPECTION TOOL (MFL), HYDROGEN GAS WAS RELEASED AND IGNITED FROM A BLIND FLANGE CONNECTION FAILURE ON A TEMPORARY SEPARATOR FILTER INSTALLED AT THE RECEIVER SITE. THE FIRE WAS IMMEDIATELY IDENTIFIED BY ON-SITE PERSONNEL. THERE WERE NO INJURIES SUSTAINED AS A RESULT OF THE INCIDENT. THE PIPELINE SECTION WAS ISOLATED AND DE-PRESSURED TO THE FACILITY FLARE. LOCAL EMERGENCY RESPONDERS WERE DISPATCHED AND CONTAINED/EXTINGUISHED THE FIRE. THE FIRE AFFECTED THE STATION PIPING AND EQUIPMENT IN THE SURROUNDING AREA. REPAIRS AND/OR REPLACEMENT OF AFFECTED PIPING AND EQUIPMENT WERE COMPLETED AND RE-COMMISSIONED. PHMSA trend classification: significant incident, not serious. PHMSA standardized cause: EQUIPMENT FAILURE — NON-THREADED CONNECTION FAILURE. PHMSA indexed costs: $1,451,027 reported total cost, $728,369.162 in 1984 dollars, $1,792,573.18 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: - Source ID: `phmsa-pipeline-incidents` - SHA-256: `0f9d934d663710340dde2116d494edf4d9fa361ac51947fc96b7e05084b3dd0a` - Retrieved: 2026-08-20T03:30:32.010Z - Exported: 2026-08-23T21:46:35.991Z - Document slug: `phmsa-incident-a1663d1f8131c55e49779feb` ### Source metadata ```json { "recordKind": "pipeline_incident", "datasetType": "gas_transmission_gathering", "datasetLabel": "Gas transmission and gathering", "datasetPeriod": "January 2010 to present", "report": { "number": "20150071", "supplementalNumber": "17221", "type": "SUPPLEMENTAL FINAL", "receivedDate": "2015-05-22", "receivedDateRaw": "5/22/2015" }, "operator": { "id": "9171", "name": "MARKWEST JAVELINA PIPELINE COMPANY, LLC" }, "incident": { "date": "2015-04-28", "dateRaw": "4/28/2015 13:41" }, "location": { "city": "CORPUS CHRISTI", "county": "NUECES", "state": "TX", "postalCode": "78410", "latitude": 27.809064, "longitude": -97.495622, "type": "OPERATOR-CONTROLLED PROPERTY", "details": { "DESIGNATED_NAME": "CITGO WEST" }, "facilityName": "CITGO WEST VALVE-METERING STATION" }, "cause": { "category": "EQUIPMENT FAILURE", "details": { "CAUSE_DETAILS": "NON-THREADED CONNECTION FAILURE", "NARRATIVE": "AN IN-LINE INSPECTION OF THE HYDROGEN PIPELINE WAS BEING CONDUCTED AND PRIOR TO THE LAST RUN OF THE IN-LINE INSPECTION TOOL (MFL), HYDROGEN GAS WAS RELEASED AND IGNITED FROM A BLIND FLANGE CONNECTION FAILURE ON A TEMPORARY SEPARATOR FILTER INSTALLED AT THE RECEIVER SITE. THE FIRE WAS IMMEDIATELY IDENTIFIED BY ON-SITE PERSONNEL. THERE WERE NO INJURIES SUSTAINED AS A RESULT OF THE INCIDENT. THE PIPELINE SECTION WAS ISOLATED AND DE-PRESSURED TO THE FACILITY FLARE. LOCAL EMERGENCY RESPONDERS WERE DISPATCHED AND CONTAINED/EXTINGUISHED THE FIRE. THE FIRE AFFECTED THE STATION PIPING AND EQUIPMENT IN THE SURROUNDING AREA. REPAIRS AND/OR REPLACEMENT OF AFFECTED PIPING AND EQUIPMENT WERE COMPLETED AND RE-COMMISSIONED." } }, "consequences": { "fatalities": 0, "injuries": 0, "commodity": "HYDROGEN GAS", "release": "833", "propertyDamage": 1450000, "estimatedOperatorCost": 0, "estimatedEmergencyCost": 0, "estimatedEnvironmentalCost": null, "ignition": "YES", "explosion": "YES", "evacuated": 0, "raw": { "FATAL": "0", "INJURE": "0", "UNINTENTIONAL_RELEASE": "833", "EST_COST_PROP_DAMAGE": "1450000", "PRPTY": "1451027" } }, "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": 1324, "rowSha256": "d0825f5a9ec7c2f0e8d9f725d414b4c34170976681fc82e71a2f2fa284d2e857" }, "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": "NON-THREADED CONNECTION FAILURE", "eightCategory": "EQUIPMENT FAILURE", "eightSubcategory": "NON-THREADED CONNECTION FAILURE" }, "costs": { "reported": 1451027, "in1984Dollars": 728369.1621055348, "currentYearDollars": 1792573.1803218909 }, "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": 670, "rowSha256": "5fddbc2df3c28ad0183975f37e7e2548895a0b0e2178aa4345f2751c55166178" } }, "jurisdiction": "US", "operatorName": "MARKWEST JAVELINA PIPELINE COMPANY, LLC" } ```