ATMOS PIPELINE - TEXAS — Gas transmission and gathering — incident on 2016-01-09

Gas transmission and gathering incident in Not Within a Municipality, ROBERTSON County, TX. Reported cause: EXCAVATION DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 195573 NATURAL GAS released, $2,478,671 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: 20160012.

Operator ID: 31978.

Reported incident date: 1/9/2016 15:55.

Location detail: 676537

Cause detail: EXCAVATION DAMAGE BY OPERATOR'S CONTRACTOR (SECOND PARTY)

Cause detail: EXCAVATION ISSUE

Cause detail: IMPROPER BACKFILLING PRACTICES

Cause detail: PIPELINE FAILED DURING A DUCTILE OVERLOAD EVENT. THE RUPTURE WAS CAUSED BY MECHANICAL GOUGES ON THE PIPE FROM A SECOND PARTY CONTRACTOR'S TRACKHOE THAT GOT STUCK IN THE MUD NEAR THE PIPELINE, APPROXIMATELY ONE MONTH PRIOR TO THE INCIDENT.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: EXCAVATION DAMAGE — OPERATOR/CONTRACTOR EXCAVATION DAMAGE.

PHMSA indexed costs: $3,211,520 reported total cost, $1,865,561.826 in 1984 dollars, $3,973,761.728 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.