# SOUTHERN CALIFORNIA GAS CO — Gas distribution — incident on 2021-04-29 **Citation:** PHMSA Report 20210048 **Type / status:** incident / historical **Agency:** Pipeline and Hazardous Materials Safety Administration **Effective:** 2021-04-29 **Published:** 2021-05-28 Gas distribution incident in SAN MONICA, LOS ANGELES County, CA. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 24982.92 NATURAL GAS released, $404,358 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, not fire-first. ## Document text Gas distribution incident in SAN MONICA, LOS ANGELES County, CA. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 24982.92 NATURAL GAS released, $404,358 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: 20210048. Operator ID: 18484. Reported incident date: 4/29/2021 22:55. Location detail: 1101 STANFORD STREET Cause detail: EXCAVATION DAMAGE BY THIRD PARTY Cause detail: EXCAVATION ISSUE Cause detail: IMPROPER EXCAVATION PRACTICE NOT LISTED ABOVE Cause detail: ON 4-29-2021, A THIRD PARTY CONTRACTOR DAMAGED A 16-INCH STEEL GAS MAIN AT 1101 STANFORD STREET, SANTA MONICA, CA WHILE BORING TO INSTALL TELECOMMUNICATION CONDUIT. SOCALGAS CREW RESPONDED AND CONTROLLED THE RELEASE OF GAS. THERE WERE NO INJURIES OR FURTHER DAMAGE RESULTING FROM THIS INCIDENT. INVESTIGATION OF THE INCIDENT SHOWED THERE WAS A VALID USA TICKET. HOWEVER, THE CONTRACTOR'S EXCAVATION PRACTICES WERE INADEQUATE AS IT FAILED TO POT-HOLE THE 16-INCH MAIN. THIS INCIDENT WAS REPORTED TO DOT AND CPUC DUE TO GAS RELEASE AND ESTIMATED PROPERTY DAMAGE OF $122,000 OR MORE. FOR ANY FURTHER QUESTIONS, PLEASE CONTACT BEATRIZ CARDENAS @ 858-276-9135. PHMSA trend classification: significant incident, not serious, not fire-first. PHMSA standardized cause: EXCAVATION DAMAGE — THIRD PARTY EXCAVATION DAMAGE. PHMSA indexed costs: $604,268 reported total cost, $302,187.385 in 1984 dollars, $622,731.709 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: `922bcdb0e65af10c3ad1124a9f676977707bc25af0f764892c7f0421e19e5015` - Retrieved: 2026-08-20T03:30:32.010Z - Exported: 2026-08-25T08:47:16.723Z - Document slug: `phmsa-incident-dc67b496350700c7f0b92d40` ### Source metadata ```json { "recordKind": "pipeline_incident", "datasetType": "gas_distribution", "datasetLabel": "Gas distribution", "datasetPeriod": "January 2010 to present", "report": { "number": "20210048", "supplementalNumber": "35344", "type": "ORIGINAL FINAL", "receivedDate": "2021-05-28", "receivedDateRaw": "5/28/2021" }, "operator": { "id": "18484", "name": "SOUTHERN CALIFORNIA GAS CO" }, "incident": { "date": "2021-04-29", "dateRaw": "4/29/2021 22:55" }, "location": { "city": "SAN MONICA", "county": "LOS ANGELES", "state": "CA", "postalCode": "90403", "latitude": 34.040663, "longitude": -118.475559, "type": "PUBLIC PROPERTY", "details": { "LOCATION_STREET_ADDRESS": "1101 STANFORD STREET" }, "facilityName": null }, "cause": { "category": "EXCAVATION DAMAGE", "details": { "CAUSE_DETAILS": "EXCAVATION DAMAGE BY THIRD PARTY", "ROOT_CAUSE_CATEGORY": "EXCAVATION ISSUE", "ROOT_CAUSE_TYPE": "IMPROPER EXCAVATION PRACTICE NOT LISTED ABOVE", "NARRATIVE": "ON 4-29-2021, A THIRD PARTY CONTRACTOR DAMAGED A 16-INCH STEEL GAS MAIN AT 1101 STANFORD STREET, SANTA MONICA, CA WHILE BORING TO INSTALL TELECOMMUNICATION CONDUIT. SOCALGAS CREW RESPONDED AND CONTROLLED THE RELEASE OF GAS. THERE WERE NO INJURIES OR FURTHER DAMAGE RESULTING FROM THIS INCIDENT. INVESTIGATION OF THE INCIDENT SHOWED THERE WAS A VALID USA TICKET. HOWEVER, THE CONTRACTOR'S EXCAVATION PRACTICES WERE INADEQUATE AS IT FAILED TO POT-HOLE THE 16-INCH MAIN. THIS INCIDENT WAS REPORTED TO DOT AND CPUC DUE TO GAS RELEASE AND ESTIMATED PROPERTY DAMAGE OF $122,000 OR MORE. FOR ANY FURTHER QUESTIONS, PLEASE CONTACT BEATRIZ CARDENAS @ 858-276-9135." } }, "consequences": { "fatalities": 0, "injuries": 0, "commodity": "NATURAL GAS", "release": "24982.92", "propertyDamage": 404358, "estimatedOperatorCost": 0, "estimatedEmergencyCost": 50000, "estimatedEnvironmentalCost": null, "ignition": "NO", "explosion": null, "evacuated": 12, "raw": { "FATAL": "0", "INJURE": "0", "UNINTENTIONAL_RELEASE": "24982.92", "EST_COST_PROP_DAMAGE": "404358", "PRPTY": "604268" } }, "provenance": { "viewId": "27nc-rsge", "viewUrl": "https://data.transportation.gov/api/views/27nc-rsge", "assetId": "fba42a19-f78d-44c9-9a76-4bacfc15fba0", "archiveFilename": "Gas Distribution Incident Data - January 2010 to present.zip", "archiveSha256": "89c21d2ea6f5cb8ff6daad6ac60160608671a7b49c218bf9f917bfb88a2ce5a1", "memberPath": "incident_gas_distribution_jan2010_present.txt", "memberSha256": "f97da00c5f09a1cb7702d38c8148331935f286596018e5f00d927cbd80da28d3", "rowNumber": 313, "rowSha256": "093b52c1603a0cd845f59bdf46c014b523d1654979dc048fffd3204c6c196f80" }, "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": false, "significant": true, "serious": false }, "standardizedCause": { "sevenCategory": "EXCAVATION DAMAGE", "sevenSubcategory": "THIRD PARTY EXCAVATION DAMAGE", "eightCategory": "EXCAVATION DAMAGE", "eightSubcategory": "THIRD PARTY EXCAVATION DAMAGE" }, "costs": { "reported": 604268, "in1984Dollars": 302187.3849542211, "currentYearDollars": 622731.7087416359 }, "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": "gd2010toPresent.xlsx", "sheet": "gd2010toPresent", "rowNumber": 1237, "rowSha256": "9d1f4a8066abd5ec1f53c5abfdca40a2bdfa0275f35c4e2446478745597d31bc" } }, "jurisdiction": "US", "operatorName": "SOUTHERN CALIFORNIA GAS CO" } ```