# TENNESSEE GAS PIPELINE COMPANY — Gas transmission and gathering — incident on 2015-06-18

- **operation:** document
- **citation:** PHMSA Report 20150097
- **title:** TENNESSEE GAS PIPELINE COMPANY — Gas transmission and gathering — incident on 2015-06-18
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2015-07-15
- **effective on:** 2015-06-18
- **summary:** Gas transmission and gathering incident in VICTORIA, VICTORIA County, TX. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 1 NATURAL GAS released, $133,620 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.
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**body:**

Gas transmission and gathering incident in VICTORIA, VICTORIA County, TX. Reported cause: CORROSION FAILURE. Reported consequences: 0 fatalities, 0 injuries, 1 NATURAL GAS released, $133,620 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: 20150097.

Operator ID: 19160.

Reported incident date: 6/18/2015 14:15.

Location detail: 49978.2

Cause detail: EXTERNAL CORROSION

Cause detail: ON JUNE 18, 2015, THE TENNESSEE GAS PIPELINE DAMAGE PREVENTION SUPERVISOR RECEIVED A CALL FROM THE AERIAL PATROLLER REPORTING BUBBLING IN THE TGP RIGHT-OF-WAY. THE AREA, AT THE TIME OF DISCOVERY WAS INACCESSIBLE DUE TO FLOODING FROM THE GUADALUPE RIVER. THE LEAK WAS CONFIRMED BY ISOLATION AND MONITORING. THE INCIDENT WAS DETERMINED TO BE A PHMSA REPORTABLE INCIDENT BASED ON ESTIMATED COST OF REPAIRS. THE METALLURGICAL REPORT CONCLUDED THAT THE TGP LINE 100-1 LEAKED DUE TO EXTERNAL PITTING CORROSION IN THE BOTTOM QUARTER OF THE PIPE AT STATION 49978.2 BETWEEN MLV 8-1 AND MLV 9-1 IN VICTORIA COUNTY, TEXAS. THE BOTTOM QUARTER OF THE PIPE JOINT THAT LEAKED EXHIBITED DISBONDED COAL TAR ENAMEL COATING WITH EXPOSED STEEL IN SOME AREAS.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: CORROSION — EXTERNAL.

PHMSA indexed costs: $159,346 reported total cost, $90,461.504 in 1984 dollars, $194,466.809 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.
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