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State-specific information:

Pennsylvania Significant Incidents and Mileage Overview

The report below provides details and incident history for the pipeline systems in the state of Pennsylvania.

The incidents reported below are limited to Significant Incidents (A) over the period 1999 to 2008 only. Each year and selected column totals provide links to focused reports showing the causes of the corresponding incidents.

The data sources for this report are the PHMSA Filtered Incident Files (1) (2) (3) and several pipeline mileage data sources as described below.

All mileages are for the year 2008 and are approximate as some data sources may not contain a complete record of state pipeline mileage for the year 2008.

See State Significant Incident Detail Listing for more information about each Significant Incident in Pennsylvania

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

Pennsylvania Pipeline Safety Regulatory Fact Sheet

More Pipeline Incidents and Mileage Reports are available.

Important Update: As of October 2009, these reports were modified to exclude Gas Distribution incidents where fire/explosion was the primary cause of failure, such as a house fire that subsequently resulted in - but was not caused by - a distribution line failure (B)
Pipeline Mileage Overview
Pipeline SystemMileage
Hazardous liquid line mileage 2,532
Gas transmission line mileage 10,324
Gas Gathering line mileage 510
Gas distribution mileage ( 2,748,693 total services (C)) 47,023
Total pipeline mileage 60,390
Export Table

Note: Significant incidents include all serious incidents.

Pennsylvania All Pipeline Systems: 1999-2008
Year Number (B) Fatalities Injuries Property Damage (D) (E) Gross Barrels Lost Net Barrels Lost (F)
1999 13 1 22 $9,505,047 101 2
2000 15 0 4 $11,647,734 5,778 684
2001 9 0 0 $2,583,940 752 709
2002 12 1 6 $3,983,231 871 198
2003 11 4 9 $1,525,808 0 0
2004 23 3 3 $6,191,992 657 439
2005 12 1 4 $25,021,151 12,545 1,277
2006 8 0 2 $2,393,422 0 0
2007 8 0 3 $5,000,857 1,502 1,287
2008 13 1 2 $6,947,402 406 235
Totals 124 11 55 $74,800,587 22,612 4,831
3 Year Average (2006-2008) 10 0 2 $4,780,561 636 507
5 Year Average (2004-2008) 13 1 3 $9,110,965 3,022 648
10 Year Average (1999-2008) 12 1 6 $7,480,059 2,261 483
20 Year Average (1989-2008) 12 1 6 $7,480,059 2,261 483
Export Table

Note: Significant incidents include all serious incidents.

Pennsylvania Hazardous Liquid: 1999-2008
Year Number Fatalities Injuries Property Damage (D) (E) Gross Barrels Lost Net Barrels Lost (F)
1999 2 0 1 $5,343 101 2
2000 3 0 0 $7,551,600 5,778 684
2001 2 0 0 $1,309,165 752 709
2002 5 0 0 $3,076,894 871 198
2003 0 0 0 $0 0 0
2004 5 0 0 $1,740,397 657 439
2005 3 0 0 $23,484,544 12,545 1,277
2006 1 0 0 $6,368 0 0
2007 1 0 1 $2,935,165 1,502 1,287
2008 4 0 0 $1,509,000 406 235
Totals 26 0 2 $41,618,479 22,612 4,831
3 Year Average (2006-2008) 2 0 0 $1,483,511 636 507
5 Year Average (2004-2008) 3 0 0 $5,935,095 3,022 648
10 Year Average (1999-2008) 3 0 0 $4,161,848 2,261 483
20 Year Average (1989-2008) 3 0 0 $4,161,848 2,261 483
Export Table
Pennsylvania Hazardous Liquid Onshore: 1999-2008
Year Number (B) Fatalities Injuries Property Damage (D) (E) Gross Barrels Lost Net Barrels Lost (F)
1999 2 0 1 $5,343 101 2
2000 3 0 0 $7,551,600 5,778 684
2001 2 0 0 $1,309,165 752 709
2002 5 0 0 $3,076,894 871 198
2003 0 0 0 $0 0 0
2004 5 0 0 $1,740,397 657 439
2005 3 0 0 $23,484,544 12,545 1,277
2006 1 0 0 $6,368 0 0
2007 1 0 1 $2,935,165 1,502 1,287
2008 4 0 0 $1,509,000 406 235
Totals 26 0 2 $41,618,479 22,612 4,831
3 Year Average (2006-2008) 2 0 0 $1,483,511 636 507
5 Year Average (2004-2008) 3 0 0 $5,935,095 3,022 648
10 Year Average (1999-2008) 3 0 0 $4,161,848 2,261 483
20 Year Average (1989-2008) 3 0 0 $4,161,848 2,261 483
Export Table
Pennsylvania Hazardous Liquid Offshore: 1999-2008
Year Number (B) Fatalities Injuries Property Damage (D) (E) Gross Barrels Lost Net Barrels Lost (F)
1999 0 0 0 $0 0 0
2000 0 0 0 $0 0 0
2001 0 0 0 $0 0 0
2002 0 0 0 $0 0 0
2003 0 0 0 $0 0 0
2004 0 0 0 $0 0 0
2005 0 0 0 $0 0 0
2006 0 0 0 $0 0 0
2007 0 0 0 $0 0 0
2008 0 0 0 $0 0 0
Totals 0 0 0 $0 0 0
3 Year Average (2006-2008) 0 0 0 $0 0 0
5 Year Average (2004-2008) 0 0 0 $0 0 0
10 Year Average (1999-2008) 0 0 0 $0 0 0
20 Year Average (1989-2008) 0 0 0 $0 0 0
Export Table

Note: Significant incidents include all serious incidents.

Pennsylvania Gas Transmission: 1999-2008
Year Number Fatalities Injuries Property Damage (D) (E)
1999 1 0 0 $6,213,017
2000 4 0 0 $690,606
2001 4 0 0 $733,132
2002 0 0 0 $0
2003 1 0 1 $0
2004 2 0 0 $538,350
2005 3 0 0 $506,695
2006 4 0 1 $886,853
2007 2 0 0 $1,119,098
2008 4 0 0 $3,009,692
Totals 25 0 2 $13,697,447
3 Year Average (2006-2008) 3 0 0 $1,671,881
5 Year Average (2004-2008) 3 0 0 $1,212,138
10 Year Average (1999-2008) 3 0 0 $1,369,745
20 Year Average (1989-2008) 3 0 0 $1,369,745
Export Table
Pennsylvania Gas Transmission Onshore: 1999-2008
Year Number (B) Fatalities Injuries Property Damage (D) (E)
1999 1 0 0 $6,213,017
2000 4 0 0 $690,606
2001 4 0 0 $733,132
2002 0 0 0 $0
2003 1 0 1 $0
2004 2 0 0 $538,350
2005 3 0 0 $506,695
2006 4 0 1 $886,853
2007 2 0 0 $1,119,098
2008 4 0 0 $3,009,692
Totals 25 0 2 $13,697,447
3 Year Average (2006-2008) 3 0 0 $1,671,881
5 Year Average (2004-2008) 3 0 0 $1,212,138
10 Year Average (1999-2008) 3 0 0 $1,369,745
20 Year Average (1989-2008) 3 0 0 $1,369,745
Export Table
Pennsylvania Gas Transmission Offshore: 1999-2008
Year Number (B) Fatalities Injuries Property Damage (D) (E)
1999 0 0 0 $0
2000 0 0 0 $0
2001 0 0 0 $0
2002 0 0 0 $0
2003 0 0 0 $0
2004 0 0 0 $0
2005 0 0 0 $0
2006 0 0 0 $0
2007 0 0 0 $0
2008 0 0 0 $0
Totals 0 0 0 $0
3 Year Average (2006-2008) 0 0 0 $0
5 Year Average (2004-2008) 0 0 0 $0
10 Year Average (1999-2008) 0 0 0 $0
20 Year Average (1989-2008) 0 0 0 $0
Export Table

Note: Significant incidents include all serious incidents.

Pennsylvania Gas Gathering: 1999-2008
Year Number Fatalities Injuries Property Damage (D) (E)
1999 0 0 0 $0
2000 0 0 0 $0
2001 0 0 0 $0
2002 0 0 0 $0
2003 0 0 0 $0
2004 0 0 0 $0
2005 0 0 0 $0
2006 0 0 0 $0
2007 0 0 0 $0
2008 0 0 0 $0
Totals 0 0 0 $0
3 Year Average (2006-2008) 0 0 0 $0
5 Year Average (2004-2008) 0 0 0 $0
10 Year Average (1999-2008) 0 0 0 $0
20 Year Average (1989-2008) 0 0 0 $0
Export Table

Note: Significant incidents include all serious incidents.

Pennsylvania Gas Distribution: 1999-2008
Year Number (B) Fatalities Injuries Property Damage (D) (E)
1999 10 1 21 $3,286,686
2000 8 0 4 $3,405,528
2001 3 0 0 $541,642
2002 7 1 6 $906,337
2003 10 4 8 $1,525,808
2004 16 3 3 $3,913,244
2005 6 1 4 $1,029,910
2006 3 0 1 $1,500,200
2007 5 0 2 $946,593
2008 5 1 2 $2,428,710
Totals 73 11 51 $19,484,661
3 Year Average (2006-2008) 4 0 2 $1,625,168
5 Year Average (2004-2008) 7 1 2 $1,963,732
10 Year Average (1999-2008) 7 1 5 $1,948,466
20 Year Average (1989-2008) 7 1 5 $1,948,466
Export Table

Note: Significant incidents include all serious incidents.

Pennsylvania All Pipeline Systems: 1999-2008
Year Number (B) Fatalities Injuries Property Damage (D) (E) Gross Barrels Lost Net Barrels Lost (F)
1999 9 1 22 $2,044,082 1 1
2000 2 0 4 $365,400 0 0
2001 0 0 0 $0 0 0
2002 3 1 6 $87,710 0 0
2003 8 4 9 $1,047,123 0 0
2004 5 3 3 $1,213,684 0 0
2005 3 1 4 $225,545 0 0
2006 2 0 2 $229,003 0 0
2007 3 0 3 $3,158,658 1,502 1,287
2008 2 1 2 $821,060 0 0
Totals 37 11 55 $9,192,267 1,503 1,288
3 Year Average (2006-2008) 2 0 2 $1,402,907 501 429
5 Year Average (2004-2008) 3 1 3 $1,129,590 300 257
10 Year Average (1999-2008) 4 1 6 $919,227 150 129
20 Year Average (1989-2008) 4 1 6 $919,227 150 129
Export Table

Note: Significant incidents include all serious incidents.

Pennsylvania Hazardous Liquid: 1999-2008
Year Number Fatalities Injuries Property Damage (D) (E) Gross Barrels Lost Net Barrels Lost (F)
1999 1 0 1 $0 1 1
2000 0 0 0 $0 0 0
2001 0 0 0 $0 0 0
2002 0 0 0 $0 0 0
2003 0 0 0 $0 0 0
2004 0 0 0 $0 0 0
2005 0 0 0 $0 0 0
2006 0 0 0 $0 0 0
2007 1 0 1 $2,935,165 1,502 1,287
2008 0 0 0 $0 0 0
Totals 2 0 2 $2,935,165 1,503 1,288
3 Year Average (2006-2008) 0 0 0 $978,388 501 429
5 Year Average (2004-2008) 0 0 0 $587,033 300 257
10 Year Average (1999-2008) 0 0 0 $293,517 150 129
20 Year Average (1989-2008) 0 0 0 $293,517 150 129
Export Table
Pennsylvania Hazardous Liquid Onshore: 1999-2008
Year Number (B) Fatalities Injuries Property Damage (D) (E) Gross Barrels Lost Net Barrels Lost (F)
1999 1 0 1 $0 1 1
2000 0 0 0 $0 0 0
2001 0 0 0 $0 0 0
2002 0 0 0 $0 0 0
2003 0 0 0 $0 0 0
2004 0 0 0 $0 0 0
2005 0 0 0 $0 0 0
2006 0 0 0 $0 0 0
2007 1 0 1 $2,935,165 1,502 1,287
2008 0 0 0 $0 0 0
Totals 2 0 2 $2,935,165 1,503 1,288
3 Year Average (2006-2008) 0 0 0 $978,388 501 429
5 Year Average (2004-2008) 0 0 0 $587,033 300 257
10 Year Average (1999-2008) 0 0 0 $293,517 150 129
20 Year Average (1989-2008) 0 0 0 $293,517 150 129
Export Table
Pennsylvania Hazardous Liquid Offshore: 1999-2008
Year Number (B) Fatalities Injuries Property Damage (D) (E) Gross Barrels Lost Net Barrels Lost (F)
1999 0 0 0 $0 0 0
2000 0 0 0 $0 0 0
2001 0 0 0 $0 0 0
2002 0 0 0 $0 0 0
2003 0 0 0 $0 0 0
2004 0 0 0 $0 0 0
2005 0 0 0 $0 0 0
2006 0 0 0 $0 0 0
2007 0 0 0 $0 0 0
2008 0 0 0 $0 0 0
Totals 0 0 0 $0 0 0
3 Year Average (2006-2008) 0 0 0 $0 0 0
5 Year Average (2004-2008) 0 0 0 $0 0 0
10 Year Average (1999-2008) 0 0 0 $0 0 0
20 Year Average (1989-2008) 0 0 0 $0 0 0
Export Table

Note: Significant incidents include all serious incidents.

Pennsylvania Gas Transmission: 1999-2008
Year Number Fatalities Injuries Property Damage (D) (E)
1999 0 0 0 $0
2000 0 0 0 $0
2001 0 0 0 $0
2002 0 0 0 $0
2003 1 0 1 $0
2004 0 0 0 $0
2005 0 0 0 $0
2006 1 0 1 $59,025
2007 0 0 0 $0
2008 0 0 0 $0
Totals 2 0 2 $59,025
3 Year Average (2006-2008) 0 0 0 $19,675
5 Year Average (2004-2008) 0 0 0 $11,805
10 Year Average (1999-2008) 0 0 0 $5,903
20 Year Average (1989-2008) 0 0 0 $5,903
Export Table
Pennsylvania Gas Transmission Onshore: 1999-2008
Year Number (B) Fatalities Injuries Property Damage (D) (E)
1999 0 0 0 $0
2000 0 0 0 $0
2001 0 0 0 $0
2002 0 0 0 $0
2003 1 0 1 $0
2004 0 0 0 $0
2005 0 0 0 $0
2006 1 0 1 $59,025
2007 0 0 0 $0
2008 0 0 0 $0
Totals 2 0 2 $59,025
3 Year Average (2006-2008) 0 0 0 $19,675
5 Year Average (2004-2008) 0 0 0 $11,805
10 Year Average (1999-2008) 0 0 0 $5,903
20 Year Average (1989-2008) 0 0 0 $5,903
Export Table
Pennsylvania Gas Transmission Offshore: 1999-2008
Year Number (B) Fatalities Injuries Property Damage (D) (E)
1999 0 0 0 $0
2000 0 0 0 $0
2001 0 0 0 $0
2002 0 0 0 $0
2003 0 0 0 $0
2004 0 0 0 $0
2005 0 0 0 $0
2006 0 0 0 $0
2007 0 0 0 $0
2008 0 0 0 $0
Totals 0 0 0 $0
3 Year Average (2006-2008) 0 0 0 $0
5 Year Average (2004-2008) 0 0 0 $0
10 Year Average (1999-2008) 0 0 0 $0
20 Year Average (1989-2008) 0 0 0 $0
Export Table

Note: Significant incidents include all serious incidents.

Pennsylvania Gas Gathering: 1999-2008
Year Number Fatalities Injuries Property Damage (D) (E)
1999 0 0 0 $0
2000 0 0 0 $0
2001 0 0 0 $0
2002 0 0 0 $0
2003 0 0 0 $0
2004 0 0 0 $0
2005 0 0 0 $0
2006 0 0 0 $0
2007 0 0 0 $0
2008 0 0 0 $0
Totals 0 0 0 $0
3 Year Average (2006-2008) 0 0 0 $0
5 Year Average (2004-2008) 0 0 0 $0
10 Year Average (1999-2008) 0 0 0 $0
20 Year Average (1989-2008) 0 0 0 $0
Export Table

Note: Significant incidents include all serious incidents.

Pennsylvania Gas Distribution: 1999-2008
Year Number (B) Fatalities Injuries Property Damage (D) (E)
1999 8 1 21 $2,044,082
2000 2 0 4 $365,400
2001 0 0 0 $0
2002 3 1 6 $87,710
2003 7 4 8 $1,047,123
2004 5 3 3 $1,213,684
2005 3 1 4 $225,545
2006 1 0 1 $169,977
2007 2 0 2 $223,493
2008 2 1 2 $821,060
Totals 33 11 51 $6,198,076
3 Year Average (2006-2008) 2 0 2 $404,844
5 Year Average (2004-2008) 3 1 2 $530,752
10 Year Average (1999-2008) 3 1 5 $619,808
20 Year Average (1989-2008) 3 1 5 $619,808
Export Table
Transmission Mileage by Commodity
Commodity Pipeline Miles %
Crude Oil 27 0.2%
Empty Gas 5 0.0%
Hydrogen Gas 1 0.0%
Highly Volatile Liquid 559 4.3%
Natural Gas 10,033 77.7%
Nitrogen 115 0.8%
Other Gas 222 1.7%
Other Liquids 57 0.4%
Refined Products 1,890 14.6%
Totals 12,909 100%
Export Table
Transmission Mileage by County
County Gas Miles Liquid Miles %
Adams 155 0 1.2%
Allegheny 419 140 4.3%
Armstrong 292 0 2.2%
Beaver 229 68 2.3%
Bedford 98 0 0.7%
Berks 190 146 2.6%
Blair 84 67 1.1%
Bradford 65 28 0.7%
Bucks 248 49 2.3%
Butler 157 0 1.2%
Cambria 153 64 1.6%
Cameron 89 18 0.8%
Carbon 9 78 0.6%
Centre 72 0 0.5%
Chester 338 224 4.3%
Clarion 188 0 1.4%
Clearfield 138 35 1.3%
Clinton 273 4 2.1%
Columbia 33 0 0.2%
Crawford 76 0 0.5%
Cumberland 20 74 0.7%
Dauphin 138 50 1.4%
Delaware 84 210 2.2%
Elk 230 3 1.8%
Erie 151 0 1.1%
Fayette 291 0 2.2%
Forest 73 0 0.5%
Franklin 188 0 1.4%
Fulton 61 0 0.4%
Greene 694 27 5.5%
Huntingdon 88 73 1.2%
Indiana 168 91 2.0%
Jefferson 229 2 1.7%
Juniata 42 14 0.4%
Lackawanna 20 43 0.4%
Lancaster 208 58 2.0%
Lawrence 170 4 1.3%
Lebanon 92 57 1.1%
Lehigh 7 113 0.9%
Luzerne 168 86 1.9%
Lycoming 190 34 1.7%
Mc Kean 280 0 2.1%
Mercer 309 0 2.3%
Mifflin 15 0 0.1%
Monroe 104 0 0.8%
Montgomery 228 74 2.3%
Montour 0 3 0.0%
Northampton 142 17 1.2%
Northumberland 0 33 0.2%
Perry 107 46 1.1%
Philadelphia 14 73 0.6%
Pike 51 0 0.4%
Potter 473 26 3.8%
Schuylkill 0 46 0.3%
Somerset 148 0 1.1%
Susquehanna 59 78 1.0%
Tioga 252 27 2.1%
Venango 182 0 1.4%
Warren 144 13 1.2%
Washington 612 82 5.3%
Wayne 22 0 0.1%
Westmoreland 440 112 4.2%
Wyoming 4 26 0.2%
York 144 19 1.2%
Totals 10,374 2,535 100%
Export Table

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. Gas Distribution incidents where fire/explosion was the primary cause of failure, such as a house fire that subsequently resulted in - but was not caused by - a distribution line failure are excluded from 2004 onward. This exclusion has not been applied in years prior to 2004 due to difficulty in identifying these types of events with the older report formats.
  3. Gas distribution service lines (the connection between the distribution line and the end user) are not included in the Gas distribution mileage. The total number of such services is provided.
  4. The costs for incidents prior to 2008 are presented in 2008 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.
  5. 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 2008 dollars.
  6. Net Barrels Lost applies only to Liquid incidents and is the difference between Gross Barrels Spilled and Barrels Recovered.

Sources

  1. PHMSA Hazardous Liquid Flagged Incidents File - October 14, 2009
  2. PHMSA Gas Transmission Flagged Incidents File - October 14, 2009
  3. PHMSA Gas Distribution Flagged Incidents File - October 14, 2009
  4. Pipeline transmission mileage derived from the National Pipeline Mapping System - Feb 27, 2009
  5. Calendar year 2008 Gas Transmission Annual Report from pipeline operators. - October 19, 2008
  6. Calendar year 2008 Gas Distribution Annual Report from pipeline operators. - October 19, 2008

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

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