Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2019-11-25 — WA
Operator
Cascade Natural Gas Corp
Cause
Other Outside Force Damage
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
1 injury
Property damage (nominal)
$15,000
Incident datetime
2019-11-25 06:37
Report number
Location
WA, SKAGIT
Narrative
Updated question 12e to 1 person. After further investigation, 1 person was transported to skagit valley hospital for injuries and the second person was treated and released at the scene. 48-hour follow-up notification made to nrc on 11/26/2019. (nrc# 1264973) on 11/25/2019 at 6:14am, an explosion occurred inside a home at 908 east fulton street, mount vernon, wa. The explosion caused cascade natural gas corporation's (cngc) riser to break below the meter stop on a two-meter manifold that was serving the address (duplex), which resulted in the unintentional ignition of jurisdictional natural gas. The duplex and multiple vehicles were destroyed due to the fire. Cngc first responders assisted the mount vernon fire department by shutting off gas to the building at the main. The bureau of alcohol, tobacco, firearms, and explosives is currently working with the fire department to determine the cause of the incident; details have not yet been released. Following the incident, on 11/26/2019, cngc performed successful leak tests on the service line to 908 east fulton street and on the adjacent main. The service line leak test held for one hour and five minutes, and the main leak test held for one hour; both at 58psig. Additional information regarding part a 12 e: the first injured person was hospitalized with 6% burns to their body. The second person had minor injuries and drove their self to the hospital. Additional information regarding par a 13: the release of gas was controlled at the service line to main connection at 8:30 a.M. And the service line was abandoned at that 10:00 a.M.
Detailed record list
Occurred At
2019-11-25 06:37:00
Year
2019
Report Received Date
2019-12-18 00:00:00
Iyear
2019.0
Report Number
20190146.0
Supplemental Number
33748.0
Report Type
Supplemental Final
Operator Id
2128
Name
Cascade Natural Gas Corp
Operator Street Address
8113 W. Grandridge Blvd
Operator City Name
Kennewick
Operator State Abbreviation
WA
Operator Postal Code
99336
Local Datetime
2019-11-25 06:50:00
Location Street Address
908 East Fulton St.
Location City Name
Mount Vernon
Location County Name
Skagit
Location State Abbreviation
WA
Location Postal Code
98273
Location Latitude
48.4227516
Location Longitude
-122.3292046
Nrc Rpt Datetime
2019-11-25 08:25:00
Nrc Rpt Num
1264834
Commodity Released Type
Natural Gas
Unintentional Release
92.0
Fatality Ind
No
Fatal
0
Injury Ind
Yes
Num Emp Injuries
0
Num Contr Injuries
0
Num Er Injuries
0
Num Worker Injuries
0
Num Gp Injuries
1
Injure
1
Ignite Ind
Yes
Explode Ind
No
Num Pub Evacuated
2.0
Incident Identified Datetime
2019-11-25 06:37:00
On Site Datetime
2019-11-25 07:37:00
Federal
No
Location Type
Private Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance (E.g. Value Or Regulator Station, Outdoor Meter Set)
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Service Riser
Installation Year
1967.0
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
Unknown
Release Type
Other
Release Type Details
An Explosion Occurred Inside The Structure Which Forced Part Of The Structure Into The Meter Set Assembly Resulting In A Break At The Threaded Connection Of The Valve And Service Line Riser.
Class Location Type
Class 3 Location
Est Cost Oper Paid
630000.0
Est Cost Prop Damage
15000.0
Est Cost Emergency
9500.0
Est Cost Other
0.0
Est Cost Unintentional Release
414.0
Prpty
654914.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
2.0
Accident Psig
58.0
Normal Psig
58.0
Mop Psig
60.0
Accident Pressure
Pressure Did Not Exceed Maop
Scada In Place Ind
No
Accident Identifier
Notification From Emergency Responder
Investigation Status
No, the facility was not monitored by a controller(s) at the time of the incident
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Other Outside Force Damage
Cause Details
Nearby Industrial, Man-Made, Or Other Fire/explosion As Primary Cause Of Incident
Outside Force Type
Nearby Industrial, Man-Made, Or Other Fire/explosion As Primary Cause Of Incident
Preparer Name
G*** W******
Preparer Title
Manager Of Policy And Procedure
Preparer Email
G***********@m**.com
Preparer Telephone
208-377-6032
Authorizer Name
G*** W******
Authorizer Title
Manager Of Policy And Procedure
Authorizer Telephone
208-377-6032
Authorizer Email
G***********@m**.com
Narrative
Updated question 12e to 1 person. After further investigation, 1 person was transported to skagit valley hospital for injuries and the second person was treated and released at the scene. 48-hour follow-up notification made to nrc on 11/26/2019. (nrc# 1264973) on 11/25/2019 at 6:14am, an explosion occurred inside a home at 908 east fulton street, mount vernon, wa. The explosion caused cascade natural gas corporation's (cngc) riser to break below the meter stop on a two-meter manifold that was serving the address (duplex), which resulted in the unintentional ignition of jurisdictional natural gas. The duplex and multiple vehicles were destroyed due to the fire. Cngc first responders assisted the mount vernon fire department by shutting off gas to the building at the main. The bureau of alcohol, tobacco, firearms, and explosives is currently working with the fire department to determine the cause of the incident; details have not yet been released. Following the incident, on 11/26/2019, cngc performed successful leak tests on the service line to 908 east fulton street and on the adjacent main. The service line leak test held for one hour and five minutes, and the main leak test held for one hour; both at 58psig. Additional information regarding part a 12 e: the first injured person was hospitalized with 6% burns to their body. The second person had minor injuries and drove their self to the hospital. Additional information regarding par a 13: the release of gas was controlled at the service line to main connection at 8:30 a.M. And the service line was abandoned at that 10:00 a.M.
| Occurred At | 2019-11-25 06:37:00 |
|---|---|
| Year | 2019 |
| Report Received Date | 2019-12-18 00:00:00 |
| Iyear | 2019.0 |
| Report Number | 20190146.0 |
| Supplemental Number | 33748.0 |
| Report Type | Supplemental Final |
| Operator Id | 2128 PHMSA Enforcement |
| Name | Cascade Natural Gas Corp |
| Operator Street Address | 8113 W. Grandridge Blvd |
| Operator City Name | Kennewick |
| Operator State Abbreviation | WA |
| Operator Postal Code | 99336 |
| Local Datetime | 2019-11-25 06:50:00 |
| Location Street Address | 908 East Fulton St. |
| Location City Name | Mount Vernon |
| Location County Name | Skagit |
| Location State Abbreviation | WA |
| Location Postal Code | 98273 |
| Location Latitude | 48.4227516 Google Maps OpenStreetMap |
| Location Longitude | -122.3292046 Google Maps OpenStreetMap |
| Nrc Rpt Datetime | 2019-11-25 08:25:00 |
| Nrc Rpt Num | 1264834 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 92.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | Yes |
| Num Emp Injuries | 0 |
| Num Contr Injuries | 0 |
| Num Er Injuries | 0 |
| Num Worker Injuries | 0 |
| Num Gp Injuries | 1 |
| Injure | 1 |
| Ignite Ind | Yes |
| Explode Ind | No |
| Num Pub Evacuated | 2.0 |
| Incident Identified Datetime | 2019-11-25 06:37:00 |
| On Site Datetime | 2019-11-25 07:37:00 |
| Federal | No |
| Location Type | Private Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance (E.g. Value Or Regulator Station, Outdoor Meter Set) |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Service Riser |
| Installation Year | 1967.0 |
| Material Involved | Steel |
| Steel Seam Type | Other |
| Steel Seam Type Details | Unknown |
| Release Type | Other |
| Release Type Details | An Explosion Occurred Inside The Structure Which Forced Part Of The Structure Into The Meter Set Assembly Resulting In A Break At The Threaded Connection Of The Valve And Service Line Riser. |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 630000.0 |
| Est Cost Prop Damage | 15000.0 |
| Est Cost Emergency | 9500.0 |
| Est Cost Other | 0.0 |
| Est Cost Unintentional Release | 414.0 |
| Prpty | 654914.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 2.0 |
| Accident Psig | 58.0 |
| Normal Psig | 58.0 |
| Mop Psig | 60.0 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Scada In Place Ind | No |
| Accident Identifier | Notification From Emergency Responder |
| Investigation Status | No, the facility was not monitored by a controller(s) at the time of the incident |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Other Outside Force Damage |
| Cause Details | Nearby Industrial, Man-Made, Or Other Fire/explosion As Primary Cause Of Incident |
| Outside Force Type | Nearby Industrial, Man-Made, Or Other Fire/explosion As Primary Cause Of Incident |
| Preparer Name | G*** W****** |
| Preparer Title | Manager Of Policy And Procedure |
| Preparer Email | G***********@m**.com |
| Preparer Telephone | 208-377-6032 |
| Authorizer Name | G*** W****** |
| Authorizer Title | Manager Of Policy And Procedure |
| Authorizer Telephone | 208-377-6032 |
| Authorizer Email | G***********@m**.com |
| Narrative | Updated question 12e to 1 person. After further investigation, 1 person was transported to skagit valley hospital for injuries and the second person was treated and released at the scene. 48-hour follow-up notification made to nrc on 11/26/2019. (nrc# 1264973) on 11/25/2019 at 6:14am, an explosion occurred inside a home at 908 east fulton street, mount vernon, wa. The explosion caused cascade natural gas corporation's (cngc) riser to break below the meter stop on a two-meter manifold that was serving the address (duplex), which resulted in the unintentional ignition of jurisdictional natural gas. The duplex and multiple vehicles were destroyed due to the fire. Cngc first responders assisted the mount vernon fire department by shutting off gas to the building at the main. The bureau of alcohol, tobacco, firearms, and explosives is currently working with the fire department to determine the cause of the incident; details have not yet been released. Following the incident, on 11/26/2019, cngc performed successful leak tests on the service line to 908 east fulton street and on the adjacent main. The service line leak test held for one hour and five minutes, and the main leak test held for one hour; both at 58psig. Additional information regarding part a 12 e: the first injured person was hospitalized with 6% burns to their body. The second person had minor injuries and drove their self to the hospital. Additional information regarding par a 13: the release of gas was controlled at the service line to main connection at 8:30 a.M. And the service line was abandoned at that 10:00 a.M. |
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