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State-specific information:

Significant Pipeline Incidents By Cause

This report is a sub-report of the Arizona Significant Incident and Mileage Overview report. As such, it represents Significant Incidents (A) only over the time period and pipeline system specified.

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

More Pipeline Incidents and Mileage Reports are available.

Arizona All Pipeline Systems: Significant Incident Details: 1998-2008 YTD
Reported Cause of Incident Number % Fatalities Injuries Property Damage (B) (C) % of Property Damage
CORROSION
CORROSION, EXTERNAL 1 3.1% 0 0 $962,021 10.6%
VARIOUS 1 3.1% 0 0 $845,091 9.3%
Sub Total 2 6.2% 0 0 $1,807,112 20.0%
EXCAVATION DAMAGE
OPERATOR EXCAVATION DAMAGE 1 3.1% 0 0 $223,430 2.4%
THIRD PARTY EXCAVATION DAMAGE 2 6.2% 0 0 $394,610 4.3%
VARIOUS 11 34.3% 2 7 $3,977,701 44.1%
Sub Total 14 43.7% 2 7 $4,595,742 50.9%
HUMAN ERROR
INCORRECT OPERATION 1 3.1% 0 4 $63,424 0.7%
VARIOUS 1 3.1% 0 0 $135,116 1.5%
Sub Total 2 6.2% 0 4 $198,541 2.2%
MATERIAL FAILURE
BODY OF PIPE 2 6.2% 0 1 $458,533 5.0%
COMPONENT 1 3.1% 0 0 $594,018 6.5%
JOINT 1 3.1% 0 0 $0 0.0%
VARIOUS 2 6.2% 0 2 $0 0.0%
Sub Total 6 18.7% 0 3 $1,052,551 11.6%
NATURAL FORCE DAMAGE
EARTH MOVEMENT 1 3.1% 0 0 $161,200 1.7%
VARIOUS 1 3.1% 0 0 $97,400 1.0%
Sub Total 2 6.2% 0 0 $258,600 2.8%
OTHER OUTSIDE FORCE DAMAGE
CAR, TRUCK OR OTHER VEHICLE NOT RELATED TO... 1 3.1% 0 2 $474 0.0%
Sub Total 1 3.1% 0 2 $474 0.0%
ALL OTHER CAUSES
VARIOUS 5 15.6% 0 0 $1,105,767 12.2%
Sub Total 5 15.6% 0 0 $1,105,767 12.2%
Totals 32 100.0% 2 16 $9,018,790 100.0%
Arizona, All Pipeline Systems, 1998-2008 YTD
Arizona Hazardous Liquid: Significant Incident Details: 1998-2008 YTD
Reported Cause of Incident Number % Fatalities Injuries Property Damage (B) (C) % of Property Damage
CORROSION
CORROSION, EXTERNAL 1 33.3% 0 0 $962,021 88.0%
Sub Total 1 33.3% 0 0 $962,021 88.0%
EXCAVATION DAMAGE
THIRD PARTY EXCAVATION DAMAGE 1 33.3% 0 0 $130,067 11.9%
Sub Total 1 33.3% 0 0 $130,067 11.9%
MATERIAL FAILURE
JOINT 1 33.3% 0 0 $0 0.0%
Sub Total 1 33.3% 0 0 $0 0.0%
Totals 3 100.0% 0 0 $1,092,089 100.0%
Arizona, Hazardous Liquid, 1998-2008 YTD
Arizona Hazardous Liquid Onshore: Significant Incident Details: 1998-2008 YTD
Reported Cause of Incident Number % Fatalities Injuries Property Damage (B) (C) % of Property Damage
CORROSION
CORROSION, EXTERNAL 1 33.3% 0 0 $962,021 88.0%
Sub Total 1 33.3% 0 0 $962,021 88.0%
EXCAVATION DAMAGE
THIRD PARTY EXCAVATION DAMAGE 1 33.3% 0 0 $130,067 11.9%
Sub Total 1 33.3% 0 0 $130,067 11.9%
MATERIAL FAILURE
JOINT 1 33.3% 0 0 $0 0.0%
Sub Total 1 33.3% 0 0 $0 0.0%
Totals 3 100.0% 0 0 $1,092,089 100.0%
Arizona, Hazardous Liquid Onshore, 1998-2008 YTD

No Data Available

Arizona Gas Transmission: Significant Incident Details: 1998-2008 YTD
Reported Cause of Incident Number % Fatalities Injuries Property Damage (B) (C) % of Property Damage
CORROSION
VARIOUS 1 25.0% 0 0 $845,091 45.3%
Sub Total 1 25.0% 0 0 $845,091 45.3%
EXCAVATION DAMAGE
OPERATOR EXCAVATION DAMAGE 1 25.0% 0 0 $223,430 12.0%
VARIOUS 1 25.0% 1 1 $181,768 9.7%
Sub Total 2 50.0% 1 1 $405,198 21.7%
ALL OTHER CAUSES
VARIOUS 1 25.0% 0 0 $611,903 32.8%
Sub Total 1 25.0% 0 0 $611,903 32.8%
Totals 4 100.0% 1 1 $1,862,192 100.0%
Arizona, Gas Transmission, 1998-2008 YTD
Arizona Gas Transmission Onshore: Significant Incident Details: 1998-2008 YTD
Reported Cause of Incident Number % Fatalities Injuries Property Damage (B) (C) % of Property Damage
CORROSION
VARIOUS 1 25.0% 0 0 $845,091 45.3%
Sub Total 1 25.0% 0 0 $845,091 45.3%
EXCAVATION DAMAGE
OPERATOR EXCAVATION DAMAGE 1 25.0% 0 0 $223,430 12.0%
VARIOUS 1 25.0% 1 1 $181,768 9.7%
Sub Total 2 50.0% 1 1 $405,198 21.7%
ALL OTHER CAUSES
VARIOUS 1 25.0% 0 0 $611,903 32.8%
Sub Total 1 25.0% 0 0 $611,903 32.8%
Totals 4 100.0% 1 1 $1,862,192 100.0%
Arizona, Gas Transmission Onshore, 1998-2008 YTD

No Data Available

No Data Available

Arizona Gas Distribution: Significant Incident Details: 1998-2008 YTD
Reported Cause of Incident Number % Fatalities Injuries Property Damage (B) (C) % of Property Damage
EXCAVATION DAMAGE
THIRD PARTY EXCAVATION DAMAGE 1 4.0% 0 0 $264,543 4.3%
VARIOUS 10 40.0% 1 6 $3,795,933 62.5%
Sub Total 11 44.0% 1 6 $4,060,476 66.9%
HUMAN ERROR
INCORRECT OPERATION 1 4.0% 0 4 $63,424 1.0%
VARIOUS 1 4.0% 0 0 $135,116 2.2%
Sub Total 2 8.0% 0 4 $198,541 3.2%
MATERIAL FAILURE
BODY OF PIPE 2 8.0% 0 1 $458,533 7.5%
COMPONENT 1 4.0% 0 0 $594,018 9.8%
VARIOUS 2 8.0% 0 2 $0 0.0%
Sub Total 5 20.0% 0 3 $1,052,551 17.3%
NATURAL FORCE DAMAGE
EARTH MOVEMENT 1 4.0% 0 0 $161,200 2.6%
VARIOUS 1 4.0% 0 0 $97,400 1.6%
Sub Total 2 8.0% 0 0 $258,600 4.2%
OTHER OUTSIDE FORCE DAMAGE
CAR, TRUCK OR OTHER VEHICLE NOT RELATED TO... 1 4.0% 0 2 $474 0.0%
Sub Total 1 4.0% 0 2 $474 0.0%
ALL OTHER CAUSES
VARIOUS 4 16.0% 0 0 $493,864 8.1%
Sub Total 4 16.0% 0 0 $493,864 8.1%
Totals 25 100.0% 1 15 $6,064,507 100.0%
Arizona, Gas Distribution, 1998-2008 YTD

Notes

  1. Significant Incidents are those incidents reported by pipeline operators with any of the following conditions are met: 1) fatality or injury requiring in-patient hospitalization. 2) $50,000 or more in total costs, measured in 1984 dollars. 3) highly volatile liquid releases of 5 barrels or more or other liquid releases of 50 barrels or more. 4) liquid releases resulting in an unintentional fire or explosion. Note: Significant Incidents include all Serious Incidents. Unless otherwise noted, any counts of Significant Incidents also include Serious Incidents.
  2. Costs in the current year (2008) are nominal (as reported). The costs for incidents prior to 2008 are presented in 2007 dollars. Cost of Gas lost is indexed via the Energy Information Administration, Natural Gas City Gate Prices. All other costs are adjusted via the Bureau of Economic Analysis, Government Printing Office inflation values.
  3. For years 2002 and later, property damage is estimated as the sum of all public and private costs reported in the 30-day incident report. For years prior to 2002, accident report forms did not include a breakdown of public and private costs so property damage for these years is the reported total property damage field in the report. All costs prior to 2008 are expressed in 2007 dollars. Costs in current year (2008) are nominal.

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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