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State-specific information:

Wisconsin Significant Incidents Listing

The report below provides some details for all reported significant incidents in the state of Wisconsin over the period 1999-2008.

The incidents reported below are limited to Significant Incidents (A) only.

The data sources for this report are the PHMSA Filtered Incident Files (1) (2) (3).

See State Significant Incident and Mileage Overview for a summary of pipeline systems in Wisconsin.

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

Wisconsin 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)
Wisconsin All Pipeline Systems: 1999-2008
Date City Operator Cause Fatalities Injuries Property Damage (C) (D) Gross Barrels Lost Net Barrels Lost (E)
01/16/1999 SUPERIOR LAKEHEAD PIPE LINE CO INC CORROSION 0 0 $453,550 130 100
01/23/1999 GERMANTOWN WEST SHORE PIPELINE CO ALL OTHER CAUSES 0 0 $497,041 660 40
02/25/2000 MADISON MADISON GAS & ELECTRIC CO EXCAVATION DAMAGE 0 0 $243,600 N/A N/A
07/27/2000 LAKEHEAD PIPE LINE CO INC ALL OTHER CAUSES 0 0 $243,600 1,200 50
12/16/2000 MADISON MADISON GAS & ELECTRIC CO NATURAL FORCE DAMAGE 0 0 $121,800 N/A N/A
02/03/2001 ELLINGTON WISCONSIN GAS CO EXCAVATION DAMAGE 1 1 $220,177 N/A N/A
12/02/2002 BRISTOL WEST SHORE PIPELINE CO EXCAVATION DAMAGE 0 0 $467,786 1 0
01/24/2003 SUPERIOR ENBRIDGE ENERGY, LIMITED PARTNERSHIP MAT'L/WELD/EQUIP FAILURE 0 0 $3,282,904 4,500 50
05/27/2003 TAYCHEEDAH ALLIANT ENERGY - WISCONSIN POWER & LIGHT CO EXCAVATION DAMAGE 0 2 $0 N/A N/A
06/17/2003 WEST SALEM NORTHERN NATURAL GAS CO MAT'L/WELD/EQUIP FAILURE 0 0 $272,506 N/A N/A
04/02/2004 SUPERIOR ENBRIDGE ENERGY, LIMITED PARTNERSHIP MAT'L/WELD/EQUIP FAILURE 0 0 $11,357 2 0
05/13/2004 SUPERIOR ENBRIDGE ENERGY, LIMITED PARTNERSHIP CORROSION 0 0 $92,865 40 2
06/18/2004 LACROSSE NORTHERN STATES POWER CO, A WISCONSIN CORPORATION DBA XCEL ENERGY EXCAVATION DAMAGE 0 0 $568,129 N/A N/A
11/18/2004 SOMERSET MIDWEST NATURAL GAS INC EXCAVATION DAMAGE 0 0 $142,515 N/A N/A
12/30/2005 MILWAUKEE WISCONSIN GAS COMPANY, D/B/A WE-ENERGIES INCORRECT OPERATION 0 0 $365,025 N/A N/A
07/06/2006 TOWN OF LISBON WISCONSIN GAS COMPANY, D/BA WE-ENERGIES EXCAVATION DAMAGE 0 0 $193,856 N/A N/A
07/10/2006 ELLISON BAY CEDAR GROVE RESORT & HARBOR EXCAVATION DAMAGE 2 4 $1,486,909 N/A N/A
07/26/2006 CLEAR LAKE VIKING GAS TRANSMISSION COMPANY CORROSION 0 0 $403,300 N/A N/A
01/01/2007 ATWOOD ENBRIDGE ENERGY, LIMITED PARTNERSHIP MAT'L/WELD/EQUIP FAILURE 0 0 $729,636 1,500 50
02/02/2007 EXELAND ENBRIDGE ENERGY, LIMITED PARTNERSHIP EXCAVATION DAMAGE 0 0 $4,432,343 4,800 2,066
02/17/2007 PRESCOTT ST. CROIX VALLEY NATURAL GAS CO. OTHER OUTSIDE FORCE DAMAGE 1 0 $311,830 N/A N/A
03/26/2007 SUPERIOR NORTHERN NATURAL GAS COMPANY CORROSION 0 0 $210,906 N/A N/A
04/25/2007 OMRO ALLIANT ENERGY - WISCONSIN POWER AND LIGHT COMPANY ALL OTHER CAUSES 0 2 $0 N/A N/A
01/24/2008 HAYWARD WISCONSIN GAS CO MAT'L/WELD/EQUIP FAILURE 0 0 $525,833 N/A N/A
04/02/2008 CITY OF OCONOMOWOC WISCONSIN ELECTRIC - GAS OPERATIONS, D/B/A WE ENERGIES EXCAVATION DAMAGE 0 1 $2,088 N/A N/A
08/25/2008 SUPERIOR ENBRIDGE ENERGY, LIMITED PARTNERSHIP CORROSION 0 0 $50,800 115 7
Totals     4 10 $15,330,365 12,948 2,365
Export Table
Wisconsin Hazardous Liquid: 1999-2008
Date City Operator Cause Fatalities Injuries Property Damage (C) (D) Gross Barrels Lost Net Barrels Lost (E)
01/16/1999 SUPERIOR LAKEHEAD PIPE LINE CO INC CORROSION 0 0 $453,550 130 100
01/23/1999 GERMANTOWN WEST SHORE PIPELINE CO ALL OTHER CAUSES 0 0 $497,041 660 40
07/27/2000 LAKEHEAD PIPE LINE CO INC ALL OTHER CAUSES 0 0 $243,600 1,200 50
12/02/2002 BRISTOL WEST SHORE PIPELINE CO EXCAVATION DAMAGE 0 0 $467,786 1 0
01/24/2003 SUPERIOR ENBRIDGE ENERGY, LIMITED PARTNERSHIP MAT'L/WELD/EQUIP FAILURE 0 0 $3,282,904 4,500 50
04/02/2004 SUPERIOR ENBRIDGE ENERGY, LIMITED PARTNERSHIP MAT'L/WELD/EQUIP FAILURE 0 0 $11,357 2 0
05/13/2004 SUPERIOR ENBRIDGE ENERGY, LIMITED PARTNERSHIP CORROSION 0 0 $92,865 40 2
01/01/2007 ATWOOD ENBRIDGE ENERGY, LIMITED PARTNERSHIP MAT'L/WELD/EQUIP FAILURE 0 0 $729,636 1,500 50
02/02/2007 EXELAND ENBRIDGE ENERGY, LIMITED PARTNERSHIP EXCAVATION DAMAGE 0 0 $4,432,343 4,800 2,066
08/25/2008 SUPERIOR ENBRIDGE ENERGY, LIMITED PARTNERSHIP CORROSION 0 0 $50,800 115 7
Totals     0 0 $10,261,885 12,948 2,365
Export Table
Wisconsin Hazardous Liquid Onshore: 1999-2008
Date City Operator Cause Fatalities Injuries Property Damage (C) (D) Gross Barrels Lost Net Barrels Lost (E)
01/16/1999 SUPERIOR LAKEHEAD PIPE LINE CO INC CORROSION 0 0 $453,550 130 100
01/23/1999 GERMANTOWN WEST SHORE PIPELINE CO ALL OTHER CAUSES 0 0 $497,041 660 40
07/27/2000 LAKEHEAD PIPE LINE CO INC ALL OTHER CAUSES 0 0 $243,600 1,200 50
12/02/2002 BRISTOL WEST SHORE PIPELINE CO EXCAVATION DAMAGE 0 0 $467,786 1 0
01/24/2003 SUPERIOR ENBRIDGE ENERGY, LIMITED PARTNERSHIP MAT'L/WELD/EQUIP FAILURE 0 0 $3,282,904 4,500 50
04/02/2004 SUPERIOR ENBRIDGE ENERGY, LIMITED PARTNERSHIP MAT'L/WELD/EQUIP FAILURE 0 0 $11,357 2 0
05/13/2004 SUPERIOR ENBRIDGE ENERGY, LIMITED PARTNERSHIP CORROSION 0 0 $92,865 40 2
01/01/2007 ATWOOD ENBRIDGE ENERGY, LIMITED PARTNERSHIP MAT'L/WELD/EQUIP FAILURE 0 0 $729,636 1,500 50
02/02/2007 EXELAND ENBRIDGE ENERGY, LIMITED PARTNERSHIP EXCAVATION DAMAGE 0 0 $4,432,343 4,800 2,066
08/25/2008 SUPERIOR ENBRIDGE ENERGY, LIMITED PARTNERSHIP CORROSION 0 0 $50,800 115 7
Totals     0 0 $10,261,885 12,948 2,365
Export Table

No Data Available

Wisconsin Gas Transmission: 1999-2008
Date City Operator Cause Fatalities Injuries Property Damage (C) (D)
06/17/2003 WEST SALEM NORTHERN NATURAL GAS CO MAT'L/WELD/EQUIP FAILURE 0 0 $272,506
07/26/2006 CLEAR LAKE VIKING GAS TRANSMISSION COMPANY CORROSION 0 0 $403,300
03/26/2007 SUPERIOR NORTHERN NATURAL GAS COMPANY CORROSION 0 0 $210,906
Totals     0 0 $886,712
Export Table
Wisconsin Gas Transmission Onshore: 1999-2008
Date City Operator Cause Fatalities Injuries Property Damage (C) (D)
06/17/2003 WEST SALEM NORTHERN NATURAL GAS CO MAT'L/WELD/EQUIP FAILURE 0 0 $272,506
07/26/2006 CLEAR LAKE VIKING GAS TRANSMISSION COMPANY CORROSION 0 0 $403,300
03/26/2007 SUPERIOR NORTHERN NATURAL GAS COMPANY CORROSION 0 0 $210,906
Totals     0 0 $886,712
Export Table

No Data Available

No Data Available

Wisconsin Gas Distribution: 1999-2008
Date City Operator Cause Fatalities Injuries Property Damage (C) (D)
02/25/2000 MADISON MADISON GAS & ELECTRIC CO EXCAVATION DAMAGE 0 0 $243,600
12/16/2000 MADISON MADISON GAS & ELECTRIC CO NATURAL FORCE DAMAGE 0 0 $121,800
02/03/2001 ELLINGTON WISCONSIN GAS CO EXCAVATION DAMAGE 1 1 $220,177
05/27/2003 TAYCHEEDAH ALLIANT ENERGY - WISCONSIN POWER & LIGHT CO EXCAVATION DAMAGE 0 2 $0
06/18/2004 LACROSSE NORTHERN STATES POWER CO, A WISCONSIN CORPORATION DBA XCEL ENERGY EXCAVATION DAMAGE 0 0 $568,129
11/18/2004 SOMERSET MIDWEST NATURAL GAS INC EXCAVATION DAMAGE 0 0 $142,515
12/30/2005 MILWAUKEE WISCONSIN GAS COMPANY, D/B/A WE-ENERGIES INCORRECT OPERATION 0 0 $365,025
07/06/2006 TOWN OF LISBON WISCONSIN GAS COMPANY, D/BA WE-ENERGIES EXCAVATION DAMAGE 0 0 $193,856
07/10/2006 ELLISON BAY CEDAR GROVE RESORT & HARBOR EXCAVATION DAMAGE 2 4 $1,486,909
02/17/2007 PRESCOTT ST. CROIX VALLEY NATURAL GAS CO. OTHER OUTSIDE FORCE DAMAGE 1 0 $311,830
04/25/2007 OMRO ALLIANT ENERGY - WISCONSIN POWER AND LIGHT COMPANY ALL OTHER CAUSES 0 2 $0
01/24/2008 HAYWARD WISCONSIN GAS CO MAT'L/WELD/EQUIP FAILURE 0 0 $525,833
04/02/2008 CITY OF OCONOMOWOC WISCONSIN ELECTRIC - GAS OPERATIONS, D/B/A WE ENERGIES EXCAVATION DAMAGE 0 1 $2,088
Totals     4 10 $4,181,766
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. 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.
  4. 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.
  5. 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

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

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