| Sept. 25, 1986 |
Northwestern Energy Llc |
2 |
0 |
$536K |
Earth Movement |
| Feb. 16, 1987 |
Magellan Pipeline Company, Lp |
0 |
0 |
$6.97M |
Internal Corrosion |
| March 11, 1987 |
Magellan Pipeline Company, Lp |
0 |
0 |
$871K |
Unspecified Incorrect Operation |
| April 8, 1987 |
Magellan Pipeline Company, Lp |
0 |
0 |
$435K |
Miscellaneous Cause |
| April 9, 1987 |
Montana Dakota Utilities Co |
0 |
1 |
$13.1K |
Miscellaneous Cause |
| Dec. 10, 1987 |
Magellan Pipeline Company, Lp |
0 |
0 |
$0 |
Miscellaneous Cause |
| March 21, 1989 |
Northern Natural Gas Co |
0 |
1 |
$0 |
Miscellaneous Cause |
| Feb. 18, 1990 |
Magellan Pipeline Company, Lp |
0 |
0 |
$11K |
Miscellaneous Cause |
| April 8, 1991 |
Magellan Pipeline Company, Lp |
0 |
0 |
$189K |
Third Party Excavation Damage |
| May 14, 1991 |
Northwestern Energy Llc |
0 |
1 |
$0 |
Third Party Excavation Damage |
| Jan. 13, 1992 |
Magellan Pipeline Company, Lp |
0 |
0 |
$0 |
Unspecified Weld |
| March 2, 1993 |
Montana Dakota Utilities Co |
0 |
0 |
$180K |
Third Party Excavation Damage |
| April 9, 1993 |
Wyco Pipe Line Co |
0 |
0 |
$7,851 |
Miscellaneous Cause |
| Oct. 22, 1993 |
Montana Dakota Utilities Co |
0 |
1 |
$72K |
Unspecified Mat'l/Weld/Equip Failure |
| Sept. 12, 1994 |
Wyco Pipe Line Co |
0 |
0 |
$70.5K |
External Corrosion |
| April 4, 1998 |
Nustar Pipeline Operating Partnership L.P. |
0 |
0 |
$52.6K |
Third Party Excavation Damage |
| May 30, 1998 |
Northwestern Energy Llc |
0 |
0 |
$98.7K |
Earth Movement |
| Aug. 10, 1998 |
Nustar Pipeline Operating Partnership L.P. |
0 |
0 |
$39.5K |
Internal Corrosion |
| Oct. 11, 2004 |
Montana Dakota Utilities Co |
0 |
0 |
$120K |
Fire/Explosion As Primary Cause |
| Dec. 28, 2004 |
Nustar Pipeline Operating Partnership L.P. |
0 |
0 |
$214K |
Third Party Excavation Damage |
| March 8, 2007 |
Northwestern Energy Llc |
0 |
0 |
$512K |
Third Party Excavation Damage |
| March 29, 2007 |
Northern Natural Gas Co |
0 |
0 |
$517K |
External Corrosion |
| Aug. 24, 2007 |
Northwestern Energy Llc |
0 |
0 |
$245K |
Fire/Explosion As Primary Cause |
| Feb. 20, 2008 |
Montana Dakota Utilities Co |
0 |
0 |
$157K |
Non Threaded Connection Failure |
| May 21, 2010 |
Tc Oil Pipeline Operations Inc |
0 |
0 |
$208K |
Threaded Connection/Coupling Failure |
| Feb. 10, 2012 |
Montana Dakota Utilities Co |
0 |
0 |
$109K |
Vehicle Not Engaged In Excavation |
| Feb. 20, 2012 |
Nustar Pipeline Operating Partnership L.P. |
0 |
0 |
$266K |
Manufacturing Related |