# ENTERPRISE PRODUCTS OPERATING LLC — Gas transmission and gathering — incident on 2012-04-05

**Citation:** PHMSA Report 20120043  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2012-04-05  
**Published:** 2012-04-26

Gas transmission and gathering incident in PEARSALL, FRIO County, TX. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 5000 NATURAL GAS released, $42,790 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 PEARSALL, FRIO County, TX. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 5000 NATURAL GAS released, $42,790 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: 20120043.

Operator ID: 31618.

Reported incident date: 4/5/2012 13:30.

Location detail: 52.3

Cause detail: EXCAVATION DAMAGE BY THIRD PARTY

Cause detail: LOCATING ISSUE

Cause detail: FACILITY NOT MARKED DUE TO LOCATOR ERROR

Cause detail: LINE 287-1 DIMMIT COUNTY MAINLINE WAS STRUCK BY A THIRD PARTY CONTRACTOR. ENTERPRISE PRODUCTS OPERATING LLC DID NOT MARK THE PIPELINE. THE THIRD PARTY CONTRACTOR DID NOT MAKE A FOUR HOUR FOLLOWUP NOTIFICATION. SUPPLEMENTAL/FINAL- REPAIR COSTS HAVE BEEN FINALIZED.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: EXCAVATION DAMAGE — THIRD PARTY EXCAVATION DAMAGE.

PHMSA indexed costs: $57,790 reported total cost, $35,063.92 in 1984 dollars, $70,883.459 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: `f0d5e3de4ef5df72150b6898b8e7858f403c6fb0a0631c29ad715204c6fb7d3a`
- Retrieved: 2026-08-20T03:30:32.010Z
- Exported: 2026-08-25T22:25:53.987Z
- Document slug: `phmsa-incident-4ba974757e26c91504cc6055`

### Source metadata

```json
{
  "recordKind": "pipeline_incident",
  "datasetType": "gas_transmission_gathering",
  "datasetLabel": "Gas transmission and gathering",
  "datasetPeriod": "January 2010 to present",
  "report": {
    "number": "20120043",
    "supplementalNumber": "15711",
    "type": "SUPPLEMENTAL FINAL",
    "receivedDate": "2012-04-26",
    "receivedDateRaw": "4/26/2012"
  },
  "operator": {
    "id": "31618",
    "name": "ENTERPRISE PRODUCTS OPERATING LLC"
  },
  "incident": {
    "date": "2012-04-05",
    "dateRaw": "4/5/2012 13:30"
  },
  "location": {
    "city": "PEARSALL",
    "county": "FRIO",
    "state": "TX",
    "postalCode": "78061",
    "latitude": 28.73366,
    "longitude": -99.06647,
    "type": "PIPELINE RIGHT-OF-WAY",
    "details": {
      "DESIGNATED_NAME": "52.3"
    },
    "facilityName": "DIMMITT COUNTY MAINLINE"
  },
  "cause": {
    "category": "EXCAVATION DAMAGE",
    "details": {
      "CAUSE_DETAILS": "EXCAVATION DAMAGE BY THIRD PARTY",
      "ROOT_CAUSE_CATEGORY": "LOCATING ISSUE",
      "ROOT_CAUSE_TYPE": "FACILITY NOT MARKED DUE TO LOCATOR ERROR",
      "NARRATIVE": "LINE 287-1 DIMMIT COUNTY MAINLINE WAS STRUCK BY A THIRD PARTY CONTRACTOR. ENTERPRISE PRODUCTS OPERATING LLC DID NOT MARK THE PIPELINE. THE THIRD PARTY CONTRACTOR DID NOT MAKE A FOUR HOUR FOLLOWUP NOTIFICATION. SUPPLEMENTAL/FINAL- REPAIR COSTS HAVE BEEN FINALIZED."
    }
  },
  "consequences": {
    "fatalities": 0,
    "injuries": 0,
    "commodity": "NATURAL GAS",
    "release": "5000",
    "propertyDamage": 42790,
    "estimatedOperatorCost": 0,
    "estimatedEmergencyCost": 0,
    "estimatedEnvironmentalCost": null,
    "ignition": "NO",
    "explosion": "NO",
    "evacuated": 0,
    "raw": {
      "FATAL": "0",
      "INJURE": "0",
      "UNINTENTIONAL_RELEASE": "5000",
      "EST_COST_PROP_DAMAGE": "42790",
      "PRPTY": "57790"
    }
  },
  "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": 1724,
    "rowSha256": "26a0a30095a3ed79722d9fdc5e840627f3deeabb6f5193b3341d5e6ff2419fe3"
  },
  "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": "EXCAVATION DAMAGE",
      "sevenSubcategory": "THIRD PARTY EXCAVATION DAMAGE",
      "eightCategory": "EXCAVATION DAMAGE",
      "eightSubcategory": "THIRD PARTY EXCAVATION DAMAGE"
    },
    "costs": {
      "reported": 57790,
      "in1984Dollars": 35063.92006131078,
      "currentYearDollars": 70883.45868287527
    },
    "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": 266,
      "rowSha256": "123187aad5f9f10873112dfa8861c5f7d9668ab8a494ad355d1e9e16994c59d5"
    }
  },
  "jurisdiction": "US",
  "operatorName": "ENTERPRISE PRODUCTS OPERATING LLC"
}
```