# MOJAVE PIPELINE OPERATING COMPANY — Gas transmission and gathering — incident on 2015-12-24 **Citation:** PHMSA Report 20160006 **Type / status:** incident / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective:** 2015-12-24 **Published:** 2016-01-20 Gas transmission and gathering incident in DAGGETT, SAN BERNADINO County, CA. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 14707 NATURAL GAS released, $3,129 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: not significant, not serious. ## Document text Gas transmission and gathering incident in DAGGETT, SAN BERNADINO County, CA. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 14707 NATURAL GAS released, $3,129 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: 20160006. Operator ID: 840. Reported incident date: 12/24/2015 20:08. Location detail: DAGGETT STN. Cause detail: COMPRESSOR OR COMPRESSOR-RELATED EQUIPMENT Cause detail: ON 12/24/15 AT 6:30 PM PST, THE DAGGETT FIRE DEPARTMENT NOTIFIED MOJAVE KM PERSONNEL OF AN ODOR COMPLAINT COMING FROM THE DAGGETT COMPRESSOR STATION. AT 6:39 PM: A TECHNICIAN WAS DISPATCHED TO INVESTIGATE THE COMPLAINT. AT 8:08 PM: THE TECHNICIAN ARRIVED ON SITE AND AFTER INSPECTING THE SITE HE DISCOVERED THAT THE UNIT VENT VALVE WAS OPEN AND VENTING GAS. AT 8:42 PM: THE TECH MANUALLY ISOLATED THE LEAK BY CLOSING THE LOADING VALVE. AT 10:12 PM: THE NRC WAS NOTIFIED OF THE RELEASE BY KM CODES AND STANDARDS PERSONNEL. AN INTERNAL INVESTIGATION WAS PERFORMED AND IT WAS DETERMINED THAT THE ROOT CAUSE FOR THIS INCIDENT INVOLVED A FAULTY LIMIT SWITCH THAT RESULTED IN A SUCTION VALVE NOT CLOSING PROPERLY. MOJAVE PERSONNEL WERE ATTEMPTING TO START THIS UNIT AT DAGGETT STATION AS A PART OF THEIR ANNUAL MAINTENANCE ON DECEMBER 22, 2015. DAGGETT STATION WAS OFFLINE AT THE TIME OF THE INCIDENT. THE LIMIT SWITCH WAS REPLACED AND FREQUENCY OF INSPECTIONS/MAINTENANCE ON LIMIT SWITCHES AND VALVES HAVE BEEN INCREASED. PHMSA trend classification: not significant, not serious. PHMSA standardized cause: EQUIPMENT FAILURE — PUMP/COMPRESSOR OR PUMP/COMPRESSOR-RELATED EQUIPMENT. PHMSA indexed costs: $32,583 reported total cost, $28,880.349 in 1984 dollars, $37,399.036 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: `d0a1271326f45642bc409f55726e2b76bf6cc429a24ee6c90314406e25f9dcba` - Retrieved: 2026-08-20T03:30:32.010Z - Exported: 2026-08-26T16:34:48.758Z - Document slug: `phmsa-incident-711a68332f00b0d8f5751e91` ### Source metadata ```json { "recordKind": "pipeline_incident", "datasetType": "gas_transmission_gathering", "datasetLabel": "Gas transmission and gathering", "datasetPeriod": "January 2010 to present", "report": { "number": "20160006", "supplementalNumber": "17089", "type": "SUPPLEMENTAL FINAL", "receivedDate": "2016-01-20", "receivedDateRaw": "1/20/2016" }, "operator": { "id": "840", "name": "MOJAVE PIPELINE OPERATING COMPANY" }, "incident": { "date": "2015-12-24", "dateRaw": "12/24/2015 20:08" }, "location": { "city": "DAGGETT", "county": "SAN BERNADINO", "state": "CA", "postalCode": "92327", "latitude": 34.851389, "longitude": -116.8503609, "type": "OPERATOR-CONTROLLED PROPERTY", "details": { "DESIGNATED_NAME": "DAGGETT STN." }, "facilityName": "MOJAVE DAGGETT COMPRESSOR STATION" }, "cause": { "category": "EQUIPMENT FAILURE", "details": { "CAUSE_DETAILS": "COMPRESSOR OR COMPRESSOR-RELATED EQUIPMENT", "NARRATIVE": "ON 12/24/15 AT 6:30 PM PST, THE DAGGETT FIRE DEPARTMENT NOTIFIED MOJAVE KM PERSONNEL OF AN ODOR COMPLAINT COMING FROM THE DAGGETT COMPRESSOR STATION. AT 6:39 PM: A TECHNICIAN WAS DISPATCHED TO INVESTIGATE THE COMPLAINT. AT 8:08 PM: THE TECHNICIAN ARRIVED ON SITE AND AFTER INSPECTING THE SITE HE DISCOVERED THAT THE UNIT VENT VALVE WAS OPEN AND VENTING GAS. AT 8:42 PM: THE TECH MANUALLY ISOLATED THE LEAK BY CLOSING THE LOADING VALVE. AT 10:12 PM: THE NRC WAS NOTIFIED OF THE RELEASE BY KM CODES AND STANDARDS PERSONNEL. AN INTERNAL INVESTIGATION WAS PERFORMED AND IT WAS DETERMINED THAT THE ROOT CAUSE FOR THIS INCIDENT INVOLVED A FAULTY LIMIT SWITCH THAT RESULTED IN A SUCTION VALVE NOT CLOSING PROPERLY. MOJAVE PERSONNEL WERE ATTEMPTING TO START THIS UNIT AT DAGGETT STATION AS A PART OF THEIR ANNUAL MAINTENANCE ON DECEMBER 22, 2015. DAGGETT STATION WAS OFFLINE AT THE TIME OF THE INCIDENT. THE LIMIT SWITCH WAS REPLACED AND FREQUENCY OF INSPECTIONS/MAINTENANCE ON LIMIT SWITCHES AND VALVES HAVE BEEN INCREASED." } }, "consequences": { "fatalities": 0, "injuries": 0, "commodity": "NATURAL GAS", "release": "14707", "propertyDamage": 3129, "estimatedOperatorCost": 0, "estimatedEmergencyCost": 0, "estimatedEnvironmentalCost": null, "ignition": "NO", "explosion": "NO", "evacuated": 0, "raw": { "FATAL": "0", "INJURE": "0", "UNINTENTIONAL_RELEASE": "14707", "EST_COST_PROP_DAMAGE": "3129", "PRPTY": "32583" } }, "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": 1238, "rowSha256": "8c9be29ec4aca07871b758bf80a9c020cb2df95c0483aadc279da91ee7d4404c" }, "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": false, "serious": false }, "standardizedCause": { "sevenCategory": "MATERIAL/WELD/EQUIP FAILURE", "sevenSubcategory": "PUMP/COMPRESSOR OR PUMP/COMPRESSOR-RELATED EQUIPMENT", "eightCategory": "EQUIPMENT FAILURE", "eightSubcategory": "PUMP/COMPRESSOR OR PUMP/COMPRESSOR-RELATED EQUIPMENT" }, "costs": { "reported": 32583, "in1984Dollars": 28880.349299530873, "currentYearDollars": 37399.03602355154 }, "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": 757, "rowSha256": "3b860e69b4741f75d448a057d4cc67bdb891ab8e1c3f42b63c88502f9425f991" } }, "jurisdiction": "US", "operatorName": "MOJAVE PIPELINE OPERATING COMPANY" } ```