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This report is a sub-report of the PHMSA Significant Pipeline Incidents 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.

• All Pipeline Systems
• Hazardous Liquid
• Gas Transmission
• Gas Gathering
• Gas Distribution

National All Pipeline Systems: Significant Incident Details: 1988

Reported Cause of Incident	Number	%	Fatalities	Injuries	Property Damage (B) (C)	% of Property Damage
CORROSION
VARIOUS	58	18.1%	2	6	$7,964,968	9.8%
Sub Total	58	18.1%	2	6	$7,964,968	9.8%
EXCAVATION DAMAGE
VARIOUS	97	30.3%	7	35	$15,036,923	18.5%
Sub Total	97	30.3%	7	35	$15,036,923	18.5%
HUMAN ERROR
VARIOUS	14	4.3%	0	6	$347,953	0.4%
Sub Total	14	4.3%	0	6	$347,953	0.4%
MATERIAL FAILURE
VARIOUS	37	11.5%	0	8	$38,586,515	47.4%
Sub Total	37	11.5%	0	8	$38,586,515	47.4%
NATURAL FORCE DAMAGE
VARIOUS	18	5.6%	2	10	$7,635,690	9.3%
Sub Total	18	5.6%	2	10	$7,635,690	9.3%
ALL OTHER CAUSES
VARIOUS	96	30.0%	16	79	$11,718,784	14.4%
Sub Total	96	30.0%	16	79	$11,718,784	14.4%
Totals	320	100.0%	27	144	$81,290,836	100.0%

• All Hazardous Liquid Systems
• Onshore Only
• Offshore Only

National Hazardous Liquid: Significant Incident Details: 1988

Reported Cause of Incident	Number	%	Fatalities	Injuries	Property Damage (B) (C)	% of Property Damage
CORROSION
VARIOUS	45	26.9%	1	0	$5,329,698	10.7%
Sub Total	45	26.9%	1	0	$5,329,698	10.7%
EXCAVATION DAMAGE
VARIOUS	50	29.9%	1	8	$5,977,653	12.0%
Sub Total	50	29.9%	1	8	$5,977,653	12.0%
HUMAN ERROR
VARIOUS	12	7.1%	0	3	$347,953	0.7%
Sub Total	12	7.1%	0	3	$347,953	0.7%
MATERIAL FAILURE
VARIOUS	20	11.9%	0	0	$36,907,008	74.0%
Sub Total	20	11.9%	0	0	$36,907,008	74.0%
NATURAL FORCE DAMAGE
VARIOUS	1	0.6%	0	0	$155,509	0.3%
Sub Total	1	0.6%	0	0	$155,509	0.3%
ALL OTHER CAUSES
VARIOUS	39	23.3%	0	8	$1,102,459	2.2%
Sub Total	39	23.3%	0	8	$1,102,459	2.2%
Totals	167	100.0%	2	19	$49,820,283	100.0%

National Hazardous Liquid Onshore: Significant Incident Details: 1988

Reported Cause of Incident	Number	%	Fatalities	Injuries	Property Damage (B) (C)	% of Property Damage
CORROSION
VARIOUS	45	26.9%	1	0	$5,329,698	10.7%
Sub Total	45	26.9%	1	0	$5,329,698	10.7%
EXCAVATION DAMAGE
VARIOUS	48	28.7%	1	8	$5,582,658	11.2%
Sub Total	48	28.7%	1	8	$5,582,658	11.2%
HUMAN ERROR
VARIOUS	12	7.1%	0	3	$347,953	0.7%
Sub Total	12	7.1%	0	3	$347,953	0.7%
MATERIAL FAILURE
VARIOUS	19	11.3%	0	0	$36,712,621	73.6%
Sub Total	19	11.3%	0	0	$36,712,621	73.6%
NATURAL FORCE DAMAGE
VARIOUS	1	0.6%	0	0	$155,509	0.3%
Sub Total	1	0.6%	0	0	$155,509	0.3%
ALL OTHER CAUSES
VARIOUS	39	23.3%	0	8	$1,102,459	2.2%
Sub Total	39	23.3%	0	8	$1,102,459	2.2%
Totals	164	98.2%	2	19	$49,230,900	98.8%

National Hazardous Liquid Offshore: Significant Incident Details: 1988

Reported Cause of Incident	Number	%	Fatalities	Injuries	Property Damage (B) (C)	% of Property Damage
EXCAVATION DAMAGE
VARIOUS	2	1.2%	0	0	$394,995	0.7%
Sub Total	2	1.2%	0	0	$394,995	0.7%
MATERIAL FAILURE
VARIOUS	1	0.6%	0	0	$194,387	0.3%
Sub Total	1	0.6%	0	0	$194,387	0.3%
Totals	3	1.8%	0	0	$589,382	1.1%

• All Gas Transmission Systems
• Onshore Only
• Offshore Only

National Gas Transmission: Significant Incident Details: 1988

Reported Cause of Incident	Number	%	Fatalities	Injuries	Property Damage (B) (C)	% of Property Damage
CORROSION
VARIOUS	6	15.3%	0	0	$1,266,783	9.5%
Sub Total	6	15.3%	0	0	$1,266,783	9.5%
EXCAVATION DAMAGE
VARIOUS	12	30.7%	1	2	$2,912,120	21.9%
Sub Total	12	30.7%	1	2	$2,912,120	21.9%
MATERIAL FAILURE
VARIOUS	6	15.3%	0	0	$1,004,593	7.5%
Sub Total	6	15.3%	0	0	$1,004,593	7.5%
NATURAL FORCE DAMAGE
VARIOUS	4	10.2%	0	0	$5,840,951	43.9%
Sub Total	4	10.2%	0	0	$5,840,951	43.9%
ALL OTHER CAUSES
VARIOUS	11	28.2%	1	7	$2,262,668	17.0%
Sub Total	11	28.2%	1	7	$2,262,668	17.0%
Totals	39	100.0%	2	9	$13,287,117	100.0%

National Gas Transmission Onshore: Significant Incident Details: 1988

Reported Cause of Incident	Number	%	Fatalities	Injuries	Property Damage (B) (C)	% of Property Damage
CORROSION
VARIOUS	4	10.2%	0	0	$947,988	7.1%
Sub Total	4	10.2%	0	0	$947,988	7.1%
EXCAVATION DAMAGE
VARIOUS	9	23.0%	1	2	$2,325,847	17.5%
Sub Total	9	23.0%	1	2	$2,325,847	17.5%
MATERIAL FAILURE
VARIOUS	5	12.8%	0	0	$693,574	5.2%
Sub Total	5	12.8%	0	0	$693,574	5.2%
NATURAL FORCE DAMAGE
VARIOUS	2	5.1%	0	0	$477,415	3.5%
Sub Total	2	5.1%	0	0	$477,415	3.5%
ALL OTHER CAUSES
VARIOUS	11	28.2%	1	7	$2,262,668	17.0%
Sub Total	11	28.2%	1	7	$2,262,668	17.0%
Totals	31	79.4%	2	9	$6,707,494	50.4%

National Gas Transmission Offshore: Significant Incident Details: 1988

Reported Cause of Incident	Number	%	Fatalities	Injuries	Property Damage (B) (C)	% of Property Damage
CORROSION
VARIOUS	2	5.1%	0	0	$318,795	2.4%
Sub Total	2	5.1%	0	0	$318,795	2.4%
EXCAVATION DAMAGE
VARIOUS	3	7.6%	0	0	$586,272	4.4%
Sub Total	3	7.6%	0	0	$586,272	4.4%
MATERIAL FAILURE
VARIOUS	1	2.5%	0	0	$311,019	2.3%
Sub Total	1	2.5%	0	0	$311,019	2.3%
NATURAL FORCE DAMAGE
VARIOUS	2	5.1%	0	0	$5,363,535	40.3%
Sub Total	2	5.1%	0	0	$5,363,535	40.3%
Totals	8	20.5%	0	0	$6,579,622	49.5%

National Gas Gathering: Significant Incident Details: 1988

Reported Cause of Incident	Number	%	Fatalities	Injuries	Property Damage (B) (C)	% of Property Damage
CORROSION
VARIOUS	2	66.6%	0	0	$357,672	100.0%
Sub Total	2	66.6%	0	0	$357,672	100.0%
ALL OTHER CAUSES
VARIOUS	1	33.3%	0	2	$0	0.0%
Sub Total	1	33.3%	0	2	$0	0.0%
Totals	3	100.0%	0	2	$357,672	100.0%

National Gas Distribution: Significant Incident Details: 1988

Reported Cause of Incident	Number	%	Fatalities	Injuries	Property Damage (B) (C)	% of Property Damage
CORROSION
VARIOUS	5	4.5%	1	6	$1,010,814	5.6%
Sub Total	5	4.5%	1	6	$1,010,814	5.6%
EXCAVATION DAMAGE
VARIOUS	35	31.5%	5	25	$6,147,150	34.4%
Sub Total	35	31.5%	5	25	$6,147,150	34.4%
HUMAN ERROR
VARIOUS	2	1.8%	0	3	$0	0.0%
Sub Total	2	1.8%	0	3	$0	0.0%
MATERIAL FAILURE
VARIOUS	11	9.9%	0	8	$674,912	3.7%
Sub Total	11	9.9%	0	8	$674,912	3.7%
NATURAL FORCE DAMAGE
VARIOUS	13	11.7%	2	10	$1,639,229	9.2%
Sub Total	13	11.7%	2	10	$1,639,229	9.2%
ALL OTHER CAUSES
VARIOUS	45	40.5%	15	62	$8,353,656	46.8%
Sub Total	45	40.5%	15	62	$8,353,656	46.8%
Totals	111	100.0%	23	114	$17,825,763	100.0%

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.