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Serious Pipeline Incidents By Cause

This report is a sub-report of the PHMSA Serious Pipeline Incidents report. As such, it represents only Serious Incidents (A) over the time period and pipeline system specified.

The data source for this table is the PHMSA Filtered Incident Files.(1) (2) (3)

Where appropriate, the table columns can be sorted by clicking the corresponding column header.

More Pipeline Incidents and Mileage Reports are available.

National All Pipeline Systems: Serious Incident Details: 1999
Reported Cause of Incident Number % of Property Damage
CORROSION
VARIOUS 6 0.8%
Sub Total 6 0.8%
EXCAVATION DAMAGE
VARIOUS 25 4.1%
Sub Total 25 4.1%
HUMAN ERROR
VARIOUS 8 4.7%
Sub Total 8 4.7%
MATERIAL FAILURE
VARIOUS 6 0.7%
Sub Total 6 0.7%
NATURAL FORCE DAMAGE
VARIOUS 3 1.0%
Sub Total 3 1.0%
ALL OTHER CAUSES
VARIOUS 18 88.5%
Sub Total 18 88.5%
Totals 66 100.0%
National, All Pipeline Systems, 1999
National Hazardous Liquid: Serious Incident Details: 1999
Reported Cause of Incident Number % of Property Damage
CORROSION
VARIOUS 1 0.4%
Sub Total 1 0.4%
EXCAVATION DAMAGE
VARIOUS 1 0.7%
Sub Total 1 0.7%
HUMAN ERROR
VARIOUS 3 4.9%
Sub Total 3 4.9%
ALL OTHER CAUSES
VARIOUS 4 93.8%
Sub Total 4 93.8%
Totals 9 100.0%
National, Hazardous Liquid, 1999
National Hazardous Liquid Onshore: Serious Incident Details: 1999
Reported Cause of Incident Number % of Property Damage
CORROSION
VARIOUS 1 0.4%
Sub Total 1 0.4%
EXCAVATION DAMAGE
VARIOUS 1 0.7%
Sub Total 1 0.7%
HUMAN ERROR
VARIOUS 3 4.9%
Sub Total 3 4.9%
ALL OTHER CAUSES
VARIOUS 4 93.8%
Sub Total 4 93.8%
Totals 9 100.0%
National, Hazardous Liquid Onshore, 1999

No Data Available

National Gas Transmission: Serious Incident Details: 1999
Reported Cause of Incident Number % of Property Damage
EXCAVATION DAMAGE
VARIOUS 2 74.3%
Sub Total 2 74.3%
ALL OTHER CAUSES
VARIOUS 3 25.6%
Sub Total 3 25.6%
Totals 5 100.0%
National, Gas Transmission, 1999
National Gas Transmission Onshore: Serious Incident Details: 1999
Reported Cause of Incident Number % of Property Damage
EXCAVATION DAMAGE
VARIOUS 2 74.3%
Sub Total 2 74.3%
ALL OTHER CAUSES
VARIOUS 3 25.6%
Sub Total 3 25.6%
Totals 5 100.0%
National, Gas Transmission Onshore, 1999

No Data Available

No Data Available

National Gas Distribution: Serious Incident Details: 1999
Reported Cause of Incident Number % of Property Damage
CORROSION
VARIOUS 5 6.5%
Sub Total 5 6.5%
EXCAVATION DAMAGE
VARIOUS 22 46.0%
Sub Total 22 46.0%
HUMAN ERROR
VARIOUS 5 2.0%
Sub Total 5 2.0%
MATERIAL FAILURE
VARIOUS 6 10.6%
Sub Total 6 10.6%
NATURAL FORCE DAMAGE
VARIOUS 3 14.6%
Sub Total 3 14.6%
ALL OTHER CAUSES
VARIOUS 11 20.0%
Sub Total 11 20.0%
Totals 52 100.0%
National, Gas Distribution, 1999

Notes

  1. A serious pipeline safety incident is an event involving a fatality or injury requiring in-patient hospitalization.

Sources

  1. PHMSA Hazardous Liquid Filtered Incidents File - October 14, 2008
  2. PHMSA Gas Transmission Filtered Incidents File - October 14, 2008
  3. PHMSA Gas Distribution Filtered Incidents File - October 14, 2008

See Pipeline Incidents and Mileage Reports for more pipeline safety reports.

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