National Pipeline Failure Investigation Reports can be found at the PHMSA National Data Site.
Washington Pipeline Failure Investigation Reports are listed by Operator.
- Avista
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3-3-2022 Spokane 8498 Report
4-12-2013 Spokane 2607 Report
5-16-2011 Odessa 2354 Report
- Cascade Natural Gas
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1-6-2020 Aberdeen 8137 Report
11-25-2019 Mount Vernon 8117 Report
10-22-2019 Moses Lake 8116 Report
9-1-2019 Lynden 8012 Report, CNGC Response, Closure Letter
1-21-2017 Yakima 7874 Report
5-10-2017 Burlington 7447 Report, CNGC Response, Closure Letter
1-19-2017 Wenatchee 7434 Report, CNGC Response, Closure Letter
8-18-2015 Bremerton 6542 Report
4-22-2014 Bremerton 2744 Report
2-22-2014 Wapato 6089 Report, PV Letter, CNGC Response, Closure Letter
9-13-2011 Port Orchard 2369 Report
- Gas Transmission Northwest
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3-14-2013 LaCrosse 2598 Report
- McChord Pipeline
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8-2-2017 Tacoma 7508 Report
- Northwest Pipeline
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7-28-2022 Battle Ground 8552 Report
12-20-2020 Battle Ground 8329 Report
10-20-2020 Pasco 8246 Report
12-16-2013 Pasco 5867 Report
- Olympic Pipeline
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9-24-2022 South 8561 Report
8-5-2022 North 8547 Report
2-22-2020 Woodinville 8155 Report
6-4-2019 Castle Rock 7988 Report
11-2-2016 Tacoma 7192 Report
11-10-2014 Burlington 6138 Report
7-20-2014 Renton 2775 Report
4-30-2012 Renton 2468 Report
4-1-2012 Mount Vernon 2457 Report
3-31-2012 Mount Vernon 2456 Report
9-19-2011 Ferndale 2371 Report
- Puget Sound Energy
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6-3-2020 Puyallup 8204 Report
10-11-2019 Seattle 8112 Report
2-6-2019 Ballard 7961 Report
1-6-2019 Issaquah 7926 Report
10-31-2018 Yelm 7873 Report
3-7-2017 Seattle 7459 Report
3-9-2016 Seattle PG-160924
3-4-2016 Seattle 6909 Report
6-18-2015 Bellevue 6469 Report
5-22-2015 Everett 2881 Report
1-11-2013 Renton 2584 Report
4-28-2012 Redmond 2467 Report
9-26-2011 Seattle PG-111723
6-4-2011 Seattle 2320 Report
- Tidewater Terminal Company
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6-2-2019 Pasco 7974 Report
- Williams Gas Pipeline
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3-29-2017 Sumner 7509 Report
- Williams Partners Operating
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3-31-2014 Plymouth 5996 Report