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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.

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

National All Pipeline Systems: Serious Incident Details: 1988-2008 YTD

Reported Cause of Incident	Number	% of Property Damage
CORROSION
CORROSION, EXTERNAL	12	2.8%
CORROSION, INTERNAL	1	0.1%
VARIOUS	57	1.4%
Sub Total	70	4.4%
EXCAVATION DAMAGE
OPERATOR EXCAVATION DAMAGE	8	0.1%
THIRD PARTY EXCAVATION DAMAGE	39	4.0%
VARIOUS	373	29.6%
Sub Total	420	33.8%
HUMAN ERROR
INCORRECT OPERATION	22	1.0%
VARIOUS	82	1.4%
Sub Total	104	2.4%
MATERIAL FAILURE
BODY OF PIPE	2	0.1%
COMPONENT	4	0.0%
JOINT	2	0.2%
MALFUNCTION OF CONTROL/RELIEF EQUIPMENT	1	0.0%
RUPTURED OR LEAKING SEAL/PUMP PACKING	1	0.0%
THREADS STRIPPED, BROKEN PIPE COUPLING	4	0.5%
VARIOUS	88	4.3%
Sub Total	102	5.3%
NATURAL FORCE DAMAGE
EARTH MOVEMENT	3	0.0%
HEAVY RAINS/FLOODS	1	0.0%
HIGH WINDS	2	5.9%
LIGHTNING	1	0.0%
TEMPERATURE	1	0.1%
VARIOUS	78	5.6%
Sub Total	86	11.8%
OTHER OUTSIDE FORCE DAMAGE
CAR, TRUCK OR OTHER VEHICLE NOT RELATED TO...	29	1.3%
FIRE/EXPLOSION AS PRIMARY CAUSE	12	0.4%
RUPTURE OF PREVIOUSLY DAMAGED PIPE	1	0.3%
VANDALISM	4	0.1%
Sub Total	46	2.2%
ALL OTHER CAUSES
MISCELLANEOUS	17	0.2%
UNKNOWN	37	3.5%
VARIOUS	335	36.1%
Sub Total	389	39.9%
Totals	1,217	100.0%

Source Data

Year	ALL OTHER CAUSES	NATURAL FORCE DAMAGE	HUMAN ERROR	EXCAVATION DAMAGE	OTHER OUTSIDE FORCE DAMAGE	CORROSION	MATERIAL FAILURE
1988	45	6	4	24	0	6	8
1989	31	8	7	34	0	3	4
1990	12	6	4	19	0	4	9
1991	19	6	6	26	0	5	5
1992	24	6	4	25	0	2	8
1993	24	4	9	18	0	6	6
1994	17	13	6	27	0	3	10
1995	17	3	8	22	0	4	5
1996	23	5	4	25	0	2	4
1997	17	4	3	19	0	3	3
1998	21	2	7	30	0	3	7
1999	18	3	8	25	0	6	6
2000	23	3	4	20	0	5	7
2001	13	3	3	17	0	3	1
2002	12	0	5	12	1	2	4
2003	15	3	4	31	3	0	5
2004	12	6	6	9	7	3	5
2005	10	2	7	8	11	2	1
2006	8	1	2	11	9	3	1
2007	18	1	2	13	9	3	1

• All Hazardous Liquid Systems
• Onshore Only
• Offshore Only

National Hazardous Liquid: Serious Incident Details: 1988-2008 YTD

Reported Cause of Incident	Number	% of Property Damage
CORROSION
CORROSION, EXTERNAL	3	5.6%
VARIOUS	2	0.2%
Sub Total	5	5.9%
EXCAVATION DAMAGE
OPERATOR EXCAVATION DAMAGE	1	0.1%
THIRD PARTY EXCAVATION DAMAGE	4	3.1%
VARIOUS	29	21.1%
Sub Total	34	24.3%
HUMAN ERROR
INCORRECT OPERATION	4	2.3%
VARIOUS	14	2.8%
Sub Total	18	5.2%
MATERIAL FAILURE
COMPONENT	1	0.2%
VARIOUS	2	3.4%
Sub Total	3	3.6%
NATURAL FORCE DAMAGE
VARIOUS	1	1.8%
Sub Total	1	1.8%
OTHER OUTSIDE FORCE DAMAGE
VANDALISM	1	0.1%
Sub Total	1	0.1%
ALL OTHER CAUSES
MISCELLANEOUS	1	0.0%
UNKNOWN	2	3.0%
VARIOUS	40	55.8%
Sub Total	43	58.8%
Totals	105	100.0%

Source Data

Year	ALL OTHER CAUSES	NATURAL FORCE DAMAGE	HUMAN ERROR	EXCAVATION DAMAGE	OTHER OUTSIDE FORCE DAMAGE	CORROSION	MATERIAL FAILURE
1988	5	0	2	3	0	1	0
1989	3	0	1	2	0	0	0
1990	2	0	0	1	0	0	0
1991	3	0	2	1	0	0	0
1992	5	0	1	2	0	0	0
1993	2	0	2	1	0	0	0
1994	3	1	0	1	0	0	1
1995	2	0	2	1	0	0	1
1996	4	0	0	6	0	0	0
1997	1	0	0	3	0	0	0
1998	1	0	1	3	0	0	0
1999	4	0	3	1	0	1	0
2000	1	0	0	2	0	0	0
2001	4	0	0	2	0	0	0
2002	0	0	1	0	0	0	0
2003	1	0	1	0	0	0	0
2004	0	0	0	1	0	1	1
2005	1	0	1	1	0	1	0
2006	0	0	0	0	0	1	0
2007	1	0	1	2	1	0	0

National Hazardous Liquid Onshore: Serious Incident Details: 1988-2008 YTD

Reported Cause of Incident	Number	% of Property Damage
CORROSION
CORROSION, EXTERNAL	3	5.6%
VARIOUS	2	0.2%
Sub Total	5	5.9%
EXCAVATION DAMAGE
OPERATOR EXCAVATION DAMAGE	1	0.1%
THIRD PARTY EXCAVATION DAMAGE	4	3.1%
VARIOUS	29	21.1%
Sub Total	34	24.3%
HUMAN ERROR
INCORRECT OPERATION	4	2.3%
VARIOUS	14	2.8%
Sub Total	18	5.2%
MATERIAL FAILURE
COMPONENT	1	0.2%
VARIOUS	2	3.4%
Sub Total	3	3.6%
NATURAL FORCE DAMAGE
VARIOUS	1	1.8%
Sub Total	1	1.8%
OTHER OUTSIDE FORCE DAMAGE
VANDALISM	1	0.1%
Sub Total	1	0.1%
ALL OTHER CAUSES
MISCELLANEOUS	1	0.0%
UNKNOWN	2	3.0%
VARIOUS	40	55.8%
Sub Total	43	58.8%
Totals	105	100.0%

Source Data

Year	ALL OTHER CAUSES	NATURAL FORCE DAMAGE	HUMAN ERROR	EXCAVATION DAMAGE	OTHER OUTSIDE FORCE DAMAGE	CORROSION	MATERIAL FAILURE
1988	5	0	2	3	0	1	0
1989	3	0	1	2	0	0	0
1990	2	0	0	1	0	0	0
1991	3	0	2	1	0	0	0
1992	5	0	1	2	0	0	0
1993	2	0	2	1	0	0	0
1994	3	1	0	1	0	0	1
1995	2	0	2	1	0	0	1
1996	4	0	0	6	0	0	0
1997	1	0	0	3	0	0	0
1998	1	0	1	3	0	0	0
1999	4	0	3	1	0	1	0
2000	1	0	0	2	0	0	0
2001	4	0	0	2	0	0	0
2002	0	0	1	0	0	0	0
2003	1	0	1	0	0	0	0
2004	0	0	0	1	0	1	1
2005	1	0	1	1	0	1	0
2006	0	0	0	0	0	1	0
2007	1	0	1	2	1	0	0

No Data Available

• All Gas Transmission Systems
• Onshore Only
• Offshore Only

National Gas Transmission: Serious Incident Details: 1988-2008 YTD

Reported Cause of Incident	Number	% of Property Damage
CORROSION
CORROSION, EXTERNAL	2	2.7%
VARIOUS	4	1.6%
Sub Total	6	4.4%
EXCAVATION DAMAGE
OPERATOR EXCAVATION DAMAGE	2	0.1%
THIRD PARTY EXCAVATION DAMAGE	9	3.8%
VARIOUS	43	44.9%
Sub Total	54	48.9%
HUMAN ERROR
INCORRECT OPERATION	5	0.0%
Sub Total	5	0.0%
MATERIAL FAILURE
COMPONENT	1	0.0%
MALFUNCTION OF CONTROL/RELIEF EQUIPMENT	1	0.0%
RUPTURED OR LEAKING SEAL/PUMP PACKING	1	0.0%
THREADS STRIPPED, BROKEN PIPE COUPLING	3	1.9%
VARIOUS	11	6.4%
Sub Total	17	8.4%
NATURAL FORCE DAMAGE
VARIOUS	2	8.5%
Sub Total	2	8.5%
OTHER OUTSIDE FORCE DAMAGE
CAR, TRUCK OR OTHER VEHICLE NOT RELATED TO...	5	0.3%
FIRE/EXPLOSION AS PRIMARY CAUSE	1	0.0%
RUPTURE OF PREVIOUSLY DAMAGED PIPE	1	1.1%
Sub Total	7	1.5%
ALL OTHER CAUSES
MISCELLANEOUS	2	0.0%
UNKNOWN	4	1.4%
VARIOUS	55	26.7%
Sub Total	61	28.1%
Totals	152	100.0%

Source Data

Year	ALL OTHER CAUSES	NATURAL FORCE DAMAGE	HUMAN ERROR	EXCAVATION DAMAGE	OTHER OUTSIDE FORCE DAMAGE	CORROSION	MATERIAL FAILURE
1988	4	0	0	3	0	0	0
1989	5	0	0	8	0	0	1
1990	5	0	0	3	0	1	3
1991	3	0	0	4	0	0	0
1992	6	0	0	3	0	0	1
1993	8	0	0	1	0	0	1
1994	1	1	0	5	0	1	2
1995	6	0	0	2	0	0	0
1996	3	0	0	2	0	1	0
1997	1	0	0	3	0	0	0
1998	4	1	0	3	0	0	3
1999	3	0	0	2	0	0	0
2000	2	0	0	4	0	1	0
2001	4	0	0	0	0	0	0
2002	0	0	0	2	0	0	2
2003	0	0	2	2	2	0	2
2004	0	0	0	1	0	0	1
2005	2	0	1	1	1	0	0
2006	1	0	1	3	2	0	0
2007	2	0	1	2	1	2	0

National Gas Transmission Onshore: Serious Incident Details: 1988-2008 YTD

Reported Cause of Incident	Number	% of Property Damage
CORROSION
CORROSION, EXTERNAL	2	2.7%
VARIOUS	4	1.6%
Sub Total	6	4.4%
EXCAVATION DAMAGE
OPERATOR EXCAVATION DAMAGE	2	0.1%
THIRD PARTY EXCAVATION DAMAGE	9	3.8%
VARIOUS	40	43.7%
Sub Total	51	47.7%
HUMAN ERROR
INCORRECT OPERATION	5	0.0%
Sub Total	5	0.0%
MATERIAL FAILURE
COMPONENT	1	0.0%
MALFUNCTION OF CONTROL/RELIEF EQUIPMENT	1	0.0%
RUPTURED OR LEAKING SEAL/PUMP PACKING	1	0.0%
THREADS STRIPPED, BROKEN PIPE COUPLING	3	1.9%
VARIOUS	11	6.4%
Sub Total	17	8.4%
NATURAL FORCE DAMAGE
VARIOUS	2	8.5%
Sub Total	2	8.5%
OTHER OUTSIDE FORCE DAMAGE
CAR, TRUCK OR OTHER VEHICLE NOT RELATED TO...	5	0.3%
FIRE/EXPLOSION AS PRIMARY CAUSE	1	0.0%
RUPTURE OF PREVIOUSLY DAMAGED PIPE	1	1.1%
Sub Total	7	1.5%
ALL OTHER CAUSES
MISCELLANEOUS	2	0.0%
UNKNOWN	4	1.4%
VARIOUS	53	26.6%
Sub Total	59	28.1%
Totals	147	98.6%

Source Data

Year	ALL OTHER CAUSES	NATURAL FORCE DAMAGE	HUMAN ERROR	EXCAVATION DAMAGE	OTHER OUTSIDE FORCE DAMAGE	CORROSION	MATERIAL FAILURE
1988	4	0	0	3	0	0	0
1989	5	0	0	6	0	0	1
1990	4	0	0	3	0	1	3
1991	3	0	0	4	0	0	0
1992	6	0	0	3	0	0	1
1993	8	0	0	1	0	0	1
1994	1	1	0	4	0	1	2
1995	5	0	0	2	0	0	0
1996	3	0	0	2	0	1	0
1997	1	0	0	3	0	0	0
1998	4	1	0	3	0	0	3
1999	3	0	0	2	0	0	0
2000	2	0	0	4	0	1	0
2001	4	0	0	0	0	0	0
2002	0	0	0	2	0	0	2
2003	0	0	2	2	2	0	2
2004	0	0	0	1	0	0	1
2005	2	0	1	1	1	0	0
2006	1	0	1	3	2	0	0
2007	2	0	1	2	1	2	0

National Gas Transmission Offshore: Serious Incident Details: 1988-2008 YTD

Reported Cause of Incident	Number	% of Property Damage
EXCAVATION DAMAGE
VARIOUS	3	1.2%
Sub Total	3	1.2%
ALL OTHER CAUSES
VARIOUS	2	0.0%
Sub Total	2	0.0%
Totals	5	1.3%

Source Data

Year	ALL OTHER CAUSES	NATURAL FORCE DAMAGE	HUMAN ERROR	EXCAVATION DAMAGE	OTHER OUTSIDE FORCE DAMAGE	CORROSION	MATERIAL FAILURE
1989	0	0	0	2	0	0	0
1990	1	0	0	0	0	0	0
1994	0	0	0	1	0	0	0
1995	1	0	0	0	0	0	0

National Gas Gathering: Serious Incident Details: 1988-2008 YTD

Reported Cause of Incident	Number	% of Property Damage
CORROSION
VARIOUS	3	10.2%
Sub Total	3	10.2%
EXCAVATION DAMAGE
VARIOUS	2	41.8%
Sub Total	2	41.8%
HUMAN ERROR
INCORRECT OPERATION	2	14.9%
Sub Total	2	14.9%
MATERIAL FAILURE
COMPONENT	1	0.2%
VARIOUS	1	0.0%
Sub Total	2	0.2%
OTHER OUTSIDE FORCE DAMAGE
CAR, TRUCK OR OTHER VEHICLE NOT RELATED TO...	1	32.6%
Sub Total	1	32.6%
ALL OTHER CAUSES
VARIOUS	1	0.0%
Sub Total	1	0.0%
Totals	11	100.0%

Source Data

Year	ALL OTHER CAUSES	NATURAL FORCE DAMAGE	HUMAN ERROR	EXCAVATION DAMAGE	OTHER OUTSIDE FORCE DAMAGE	CORROSION	MATERIAL FAILURE
1988	1	0	0	0	0	0	0
1991	0	0	0	1	0	0	0
1992	0	0	0	1	0	0	0
1993	0	0	0	0	0	1	0
1995	0	0	0	0	0	1	1
2000	0	0	0	0	0	1	0
2002	0	0	0	0	1	0	0
2004	0	0	1	0	0	0	0
2005	0	0	1	0	0	0	0
2006	0	0	0	0	0	0	1

National Gas Distribution: Serious Incident Details: 1988-2008 YTD

Reported Cause of Incident	Number	% of Property Damage
CORROSION
CORROSION, EXTERNAL	7	0.4%
CORROSION, INTERNAL	1	0.3%
VARIOUS	48	2.3%
Sub Total	56	3.1%
EXCAVATION DAMAGE
OPERATOR EXCAVATION DAMAGE	5	0.2%
THIRD PARTY EXCAVATION DAMAGE	26	4.9%
VARIOUS	299	26.4%
Sub Total	330	31.7%
HUMAN ERROR
INCORRECT OPERATION	11	0.5%
VARIOUS	68	1.1%
Sub Total	79	1.7%
MATERIAL FAILURE
BODY OF PIPE	2	0.2%
COMPONENT	1	0.0%
JOINT	2	0.6%
THREADS STRIPPED, BROKEN PIPE COUPLING	1	0.0%
VARIOUS	74	3.7%
Sub Total	80	4.6%
NATURAL FORCE DAMAGE
EARTH MOVEMENT	3	0.2%
HEAVY RAINS/FLOODS	1	0.0%
HIGH WINDS	2	14.7%
LIGHTNING	1	0.0%
TEMPERATURE	1	0.2%
VARIOUS	75	6.9%
Sub Total	83	22.1%
OTHER OUTSIDE FORCE DAMAGE
CAR, TRUCK OR OTHER VEHICLE NOT RELATED TO...	23	3.1%
FIRE/EXPLOSION AS PRIMARY CAUSE	11	1.0%
VANDALISM	3	0.1%
Sub Total	37	4.3%
ALL OTHER CAUSES
MISCELLANEOUS	14	0.7%
UNKNOWN	31	5.2%
VARIOUS	239	26.2%
Sub Total	284	32.2%
Totals	949	100.0%

Source Data

Year	ALL OTHER CAUSES	NATURAL FORCE DAMAGE	HUMAN ERROR	EXCAVATION DAMAGE	OTHER OUTSIDE FORCE DAMAGE	CORROSION	MATERIAL FAILURE
1988	35	6	2	18	0	5	8
1989	23	8	6	24	0	3	3
1990	5	6	4	15	0	3	6
1991	13	6	4	20	0	5	5
1992	13	6	3	19	0	2	7
1993	14	4	7	16	0	5	5
1994	13	11	6	21	0	2	7
1995	9	3	6	19	0	3	3
1996	16	5	4	17	0	1	4
1997	15	4	3	13	0	3	3
1998	16	1	6	24	0	3	4
1999	11	3	5	22	0	5	6
2000	20	3	4	14	0	3	7
2001	5	3	3	15	0	3	1
2002	12	0	4	10	0	2	2
2003	14	3	1	29	1	0	3
2004	12	6	5	7	7	2	3
2005	7	2	4	6	10	1	1
2006	7	1	1	8	7	2	0
2007	15	1	0	9	7	1	1

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.