ProPublica

Journalism in the Public Interest

Pipeline Safety Tracker

Find the Accidents Near You

Pipeline Safety Tracker » Washington

Washington

59
Incidents

$5
Fatalities

$23
Injuries

$76.3M
Property Damages

39
Gas Incidents

$20
Hazardous Liquid Incidents

Read the Washington Pipeline profile from the US DOT

Pipeline Incidents by Cause

'86

1986

3 incidents. Causes:

Excavation Damage : 100%

'87

1987

1 incidents. Causes:

All Other Causes : 100%

'88

1988

2 incidents. Causes:

Material Weld Equipment Failure : 50%

Excavation Damage : 50%

'89

1989

1 incidents. Causes:

Excavation Damage : 100%

'90

1990

2 incidents. Causes:

Material Weld Equipment Failure : 50%

All Other Causes : 50%

'91

1991

5 incidents. Causes:

Natural Force Damage : 20%

Material Weld Equipment Failure : 20%

Excavation Damage : 40%

All Other Causes : 20%

'92

1992

4 incidents. Causes:

Material Weld Equipment Failure : 75%

Excavation Damage : 25%

'93

1993

2 incidents. Causes:

All Other Causes : 100%

'94

1994

1 incidents. Causes:

All Other Causes : 100%

'95

1995

1 incidents. Causes:

Natural Force Damage : 100%

'96

1996

4 incidents. Causes:

Material Weld Equipment Failure : 25%

Excavation Damage : 50%

All Other Causes : 25%

'97

1997

3 incidents. Causes:

Natural Force Damage : 67%

All Other Causes : 33%

'99

1999

4 incidents. Causes:

Natural Force Damage : 25%

Excavation Damage : 25%

All Other Causes : 50%

'00

2000

2 incidents. Causes:

Incorrect Operation : 50%

Corrosion : 50%

'02

2002

1 incidents. Causes:

All Other Causes : 100%

'03

2003

4 incidents. Causes:

Material Weld Equipment Failure: 50%

Corrosion : 25%

All Other Causes : 25%

'04

2004

6 incidents. Causes:

Other Outside Force Damage : 17%

Material Weld Equipment Failure : 17%

Incorrect Operation : 17%

Excavation Damage : 33%

Corrosion : 17%

'06

2006

1 incidents. Causes:

Material Weld Equipment Failure: 100%

'08

2008

2 incidents. Causes:

Material Weld Equipment Failure : 50%

Incorrect Operation : 50%

'09

2009

5 incidents. Causes:

Other Outside Force Damage : 40%

Material Weld Equipment Failure: 40%

Excavation Damage : 20%

'10

2010

1 incidents. Causes:

Incorrect Operation : 100%

'11

2011

3 incidents. Causes:

Other Outside Force Damage : 67%

Excavation Damage : 33%

'12

2012

1 incidents. Causes:

Other Outside Force Damage : 100%

= on the map

More on this Data

The map displays only "significant incidents," defined by PHMSA, the Pipeline and Hazardous Materials Safety Administration, as those that caused either a death or serious injury, cost more than $50,000, released more than 50 barrels of liquid, or caused a fire or explosion (see the official definition here). It includes incidents through Sept. 28, 2012. Many incidents lack sufficient location data and do not appear on the map.
Source: PHMSA

Date Operator Fatalities Injuries Property Damage Cause
March 29, 1986 Puget Sound Energy 0 0 $179K Third Party Excavation Damage
May 8, 1986 Olympic Pipe Line Co 0 0 $393K Third Party Excavation Damage
Nov. 3, 1986 Puget Sound Energy 0 0 $268K Third Party Excavation Damage
Nov. 26, 1987 Washington Water Power Co 0 1 $13.9K Miscellaneous Cause
July 20, 1988 Washington Water Power Co 0 0 $169K Third Party Excavation Damage
Aug. 30, 1988 Olympic Pipe Line Co 0 0 $274K Unspecified Pipe Body Or Seam
Sept. 1, 1989 Chevron Pipe Line Co 0 0 $4,063 Operator/Contractor Excavation Damage
Feb. 7, 1990 Olympic Pipe Line Co 0 0 $157K Miscellaneous Cause
Aug. 30, 1990 Puget Sound Energy 0 1 $0 Unspecified Mat'l/Weld/Equip Failure
Jan. 15, 1991 Trans Mountain Oil Pipe Line Corp 0 0 $340K Unspecified Pipe Body Or Seam
Jan. 17, 1991 Olympic Pipe Line Co 0 0 $453K Miscellaneous Cause
Sept. 30, 1991 Puget Sound Energy 0 2 $0 Earth Movement
Dec. 6, 1991 Puget Sound Energy 0 2 $151K Third Party Excavation Damage
Dec. 11, 1991 Trans Mountain Oil Pipe Line Corp 0 0 $106K Operator/Contractor Excavation Damage
Jan. 24, 1992 Olympic Pipe Line Co 0 0 $111K Malfunction Of Control/Relief Equipment
March 7, 1992 Trans Mountain Oil Pipe Line Corp 0 0 $147K Malfunction Of Control/Relief Equipment
Oct. 30, 1992 Olympic Pipe Line Co 0 0 $0 Malfunction Of Control/Relief Equipment
Nov. 3, 1992 Chevron Pipeline Co 0 0 $70.7K Third Party Excavation Damage
Jan. 20, 1993 Puget Sound Energy 0 0 $360K Miscellaneous Cause
July 15, 1993 Pacific Gas Transmission Co 0 1 $0 Miscellaneous Cause
June 20, 1994 Olympic Pipe Line Co 0 0 $5,676 Miscellaneous Cause
March 6, 1995 Northwest Pipeline Corp (Wgp) 0 0 $993K Unspecified Natural Force Damage
March 5, 1996 Puget Sound Energy 0 0 $474K Third Party Excavation Damage
June 17, 1996 Olympic Pipe Line Company 0 0 $13.6K Unspecified Pipe Body Or Seam
Sept. 16, 1996 Puget Sound Energy 0 0 $136K Third Party Excavation Damage
Nov. 21, 1996 Washington Water Power Co 1 0 $0 Miscellaneous Cause
Feb. 8, 1997 Northwest Pipeline Corp (Wgp) 0 0 $500K Unspecified Natural Force Damage
Feb. 9, 1997 Northwest Pipeline Corp (Wgp) 0 0 $260K Earth Movement
May 27, 1997 Olympic Pipe Line Company 0 0 $6,660 Miscellaneous Cause
Feb. 26, 1999 Northwest Pipeline Corp (Wgp) 0 0 $5.2M Unspecified Natural Force Damage
June 10, 1999 Olympic Pipe Line Company 3 8 $58.5M Miscellaneous Cause
July 22, 1999 Puget Sound Energy 0 0 $114K Third Party Excavation Damage
Aug. 29, 1999 Olympic Pipe Line Company 0 0 $390K Miscellaneous Cause
July 21, 2000 Tidewater, Inc 0 0 $1.02M External Corrosion
Oct. 26, 2000 Trans Mountain Oil Pipe Line Corp 0 0 $407K Unspecified Incorrect Operation
April 16, 2002 Northwest Pipeline Corp (Wgp) 0 0 $208K Miscellaneous Cause
April 12, 2003 Puget Sound Energy 0 0 $151K Miscellaneous Cause
May 1, 2003 Northwest Pipeline Corp (Wgp) 0 0 $122K External Corrosion
May 29, 2003 Northwest Pipeline Corp (Wgp) 0 0 $218K Butt Weld
Dec. 13, 2003 Northwest Pipeline Corp (Wgp) 0 0 $144K Body Of Pipe
May 23, 2004 Olympic Pipe Line Company 0 0 $725K Joint/Fitting/Component
June 22, 2004 Puget Sound Energy 0 1 $0 Unspecified Incorrect Operation
July 26, 2004 Puget Sound Energy 0 0 $132K Third Party Excavation Damage
Aug. 28, 2004 Puget Sound Energy 0 1 $428 Fire/Explosion As Primary Cause
Sept. 2, 2004 Puget Sound Energy 1 0 $425K External Corrosion
Dec. 17, 2004 Avista Corp 0 0 $109K Third Party Excavation Damage
May 24, 2006 Northwest Pipeline Corp (Wgp) 0 0 $166K Body Of Pipe
Nov. 3, 2008 Exxonmobil Pipeline Co 0 0 $607K Unspecified Incorrect Operation
Dec. 26, 2008 Avista Corp 0 1 $57.7K Body Of Pipe
Jan. 8, 2009 Northwest Pipeline Corp (Wgp) 0 0 $131K Butt Weld
May 5, 2009 Cascade Natural Gas Corp 0 2 $55.6K Vehicle Not Engaged In Excavation
June 1, 2009 Northwest Pipeline Corp (Wgp) 0 0 $328K Joint/Fitting/Component
July 27, 2009 Cascade Natural Gas Corp 0 0 $309K Fire/Explosion As Primary Cause
Aug. 19, 2009 Puget Sound Energy 0 0 $111K Operator/Contractor Excavation Damage
Sept. 2, 2010 Northwest Pipeline Corp (Wgp) 0 0 $301K Incorrect Valve Position
June 4, 2011 Puget Sound Energy 0 0 $120K Third Party Excavation Damage
Sept. 13, 2011 Cascade Natural Gas Corp 0 1 $59.2K Vehicle Not Engaged In Excavation
Sept. 26, 2011 Puget Sound Energy 0 2 $512K Electrical Arcing From Other Equipment/Facility
April 28, 2012 Puget Sound Energy 0 0 $155K Vehicle Not Engaged In Excavation