Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2024-04-19 — UT
Operator
Dominion Energy Utah/wyoming/idaho
Cause
Other Incident Cause
Commodity
Natural Gas
Program
GD
Damage and Injuries
1 fatality
0 injuries
Property damage (nominal)
$1,500
Incident datetime
2024-04-19 00:00 UTC
Report number
Location
UT, UTAH
Narrative
At approximately 6:00 am, on march 20, 2024, questar gas company d/b/a dominion energy utah (deu) received a call from 911 reporting a residential explosion at 67 north 370 east, american fork, utah. Deu responded to the scene and observed an active fire in the duplex structure. American fork fire department shut off the flow of natural gas. It was reported that the resident of 69 north 370 east was found deceased. The structure at 67 and 69 north 370 east were destroyed. The home at 53 north 370 east sustained structural damage. Once the scene was secure, deu performed pressure tests on the main and service lines associated with 67 and 69 north 370 east. 67 and 69 north 370 east were served by a single service line and dual meter sets. Deu tested the main and service lines at operating pressure of 45 psi for 15 minutes. Each held pressure, indicating no leaks on the main and service lines. These pressure tests were witnessed by a representative of utah pipeline safety. Deu also executed its leak screen procedure, screening for leaks on the other main and service lines in the neighborhood and found no leaks. Deu's cause and origin investigation is ongoing. At the fire departments direction, deu removed the meter sets and riser for 67 and 69 north 370 east and surrendered them to the fire departments custody on the day of the incident . Testing of our deu equipment was completed on 7/29/2024. Initial nrc incident report #1394296, was made on 03/20/2024 at 7:42am mt. 48-hour update nrc #1394442, was made on 03/21/2024 at 7:30pm mt.
Detailed record list
Report Received Date
2024-04-19 00:00:00
Iyear
2024.0
Report Number
20240025.0
Supplemental Number
41215.0
Report Type
Supplemental
Operator Id
12876
Name
Dominion Energy Utah/wyoming/idaho
Operator Street Address
333 South State Street P.o. Box 45360
Operator City Name
Salt Lake City
Operator State Abbreviation
UT
Operator Postal Code
84111.0
Time Zone
Mountain
Daylight Savings Ind
Yes
Location Street Address
67 N 370 E
Location City Name
American Fork
Location County Name
Utah
Location State Abbreviation
UT
Location Postal Code
84003.0
Location Latitude
40.378267
Location Longitude
-111.789122
Flow Cont Meter Reg Ind
Yes
Nrc Rpt Num
1394296.0
Additional Nrc Report Numbers
1394442.0
Commodity Released Type
Natural Gas
Unintentional Release
0.0
Intentional Release
0.0
Fatality Ind
Yes
Num Emp Fatalities
0
Num Contr Fatalities
0
Num Er Fatalities
0
Num Worker Fatalities
0
Num Gp Fatalities
1
Fatal
1
Injury Ind
No
Injure
0
Ignite Ind
Yes
How Extinguished
Local/state/federal Emergency Responder
Gas Consumed By Fire In Mcf
0
Explode Ind
Yes
Num Pub Evacuated
3.0
Federal
No
Location Type
Private Property
Incident Area Type
Aboveground
Incident Area Subtype
Inside A Building
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Other
System Part Details
Customer Owned Fuel Line
Material Involved
Steel
Steel Seam Type
Other
Steel Seam Type Details
1/2" Black Steel Pipe
Release Type
Leak
Leak Type
Other
Leak Type Other
Under Investigation
Class Location Type
Class 3 Location
Est Cost Oper Paid
1000000.0
Est Cost Prop Damage
1500.0
Est Cost Emergency
10000.0
Est Cost Other
0.0
Gas Cost In Mcf
0.0
Est Cost Unintentional Release
0.0
Est Cost Intentional Release
0.0
Prpty
1011500.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
2.0
Num Persons Hosp Not Ovnght
0.0
Num Injured Treated By Emt
1.0
Num Resident Building Affctd
4.0
Num Business Building Affctd
0.0
Accident Psig
0.25
Normal Psig
0.25
Mop Psig
0.25
Mop Cfr Section
192.619(A)(2)
Maop Established Date
1996-06-11 00:00:00
Accident Pressure
Pressure Did Not Exceed Maop
Gas Odorized System Type
Injection Pump
Gas Odorized Level
0.3
Scada In Place Ind
No
Accident Identifier
Notification From Emergency Responder
Investigation Status
No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate)
Investigation Status Details
Being on a residential customer owned fuel line.
Employee Drug Test Ind
Yes
Num Employees Tested
1
Num Employees Failed
0
Contractor Drug Test Ind
Yes
Num Contractors Tested
1
Num Contractors Failed
0
Cause
Other Incident Cause
Cause Details
Unknown
Other Type
Unknown
Unknown Subtype
Still Under Investigation, Cause Of Incident To Be Determined* (*supplemental Report Required)
Preparer Name
S**** B******
Preparer Title
Supervisor Gas Operations
Preparer Email
S************@d*************.com
Preparer Telephone
801-548-7520
Local Contact Name
J***** W******
Local Contact Email
J*************@d*************.com
Local Contact Telephone
801-209-0814
Authorizer Name
R*** J******
Authorizer Title
Manager Gas Operations
Authorizer Telephone
801-574-0111
Authorizer Email
R***********@d*************.com
Narrative
At approximately 6:00 am, on march 20, 2024, questar gas company d/b/a dominion energy utah (deu) received a call from 911 reporting a residential explosion at 67 north 370 east, american fork, utah. Deu responded to the scene and observed an active fire in the duplex structure. American fork fire department shut off the flow of natural gas. It was reported that the resident of 69 north 370 east was found deceased. The structure at 67 and 69 north 370 east were destroyed. The home at 53 north 370 east sustained structural damage. Once the scene was secure, deu performed pressure tests on the main and service lines associated with 67 and 69 north 370 east. 67 and 69 north 370 east were served by a single service line and dual meter sets. Deu tested the main and service lines at operating pressure of 45 psi for 15 minutes. Each held pressure, indicating no leaks on the main and service lines. These pressure tests were witnessed by a representative of utah pipeline safety. Deu also executed its leak screen procedure, screening for leaks on the other main and service lines in the neighborhood and found no leaks. Deu's cause and origin investigation is ongoing. At the fire departments direction, deu removed the meter sets and riser for 67 and 69 north 370 east and surrendered them to the fire departments custody on the day of the incident . Testing of our deu equipment was completed on 7/29/2024. Initial nrc incident report #1394296, was made on 03/20/2024 at 7:42am mt. 48-hour update nrc #1394442, was made on 03/21/2024 at 7:30pm mt.
| Report Received Date | 2024-04-19 00:00:00 |
|---|---|
| Iyear | 2024.0 |
| Report Number | 20240025.0 |
| Supplemental Number | 41215.0 |
| Report Type | Supplemental |
| Operator Id | 12876 PHMSA Enforcement |
| Name | Dominion Energy Utah/wyoming/idaho |
| Operator Street Address | 333 South State Street P.o. Box 45360 |
| Operator City Name | Salt Lake City |
| Operator State Abbreviation | UT |
| Operator Postal Code | 84111.0 |
| Time Zone | Mountain |
| Daylight Savings Ind | Yes |
| Location Street Address | 67 N 370 E |
| Location City Name | American Fork |
| Location County Name | Utah |
| Location State Abbreviation | UT |
| Location Postal Code | 84003.0 |
| Location Latitude | 40.378267 Google Maps OpenStreetMap |
| Location Longitude | -111.789122 Google Maps OpenStreetMap |
| Flow Cont Meter Reg Ind | Yes |
| Nrc Rpt Num | 1394296.0 NRC Report How to search |
| Additional Nrc Report Numbers | 1394442.0 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 0.0 |
| Intentional Release | 0.0 |
| Fatality Ind | Yes |
| Num Emp Fatalities | 0 |
| Num Contr Fatalities | 0 |
| Num Er Fatalities | 0 |
| Num Worker Fatalities | 0 |
| Num Gp Fatalities | 1 |
| Fatal | 1 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | Yes |
| How Extinguished | Local/state/federal Emergency Responder |
| Gas Consumed By Fire In Mcf | 0 |
| Explode Ind | Yes |
| Num Pub Evacuated | 3.0 |
| Federal | No |
| Location Type | Private Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Inside A Building |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Other |
| System Part Details | Customer Owned Fuel Line |
| Material Involved | Steel |
| Steel Seam Type | Other |
| Steel Seam Type Details | 1/2" Black Steel Pipe |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | Under Investigation |
| Class Location Type | Class 3 Location |
| Est Cost Oper Paid | 1000000.0 |
| Est Cost Prop Damage | 1500.0 |
| Est Cost Emergency | 10000.0 |
| Est Cost Other | 0.0 |
| Gas Cost In Mcf | 0.0 |
| Est Cost Unintentional Release | 0.0 |
| Est Cost Intentional Release | 0.0 |
| Prpty | 1011500.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 2.0 |
| Num Persons Hosp Not Ovnght | 0.0 |
| Num Injured Treated By Emt | 1.0 |
| Num Resident Building Affctd | 4.0 |
| Num Business Building Affctd | 0.0 |
| Accident Psig | 0.25 |
| Normal Psig | 0.25 |
| Mop Psig | 0.25 |
| Mop Cfr Section | 192.619(A)(2) View CFR 49 §192 |
| Maop Established Date | 1996-06-11 00:00:00 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Gas Odorized System Type | Injection Pump |
| Gas Odorized Level | 0.3 |
| Scada In Place Ind | No |
| Accident Identifier | Notification From Emergency Responder |
| Investigation Status | No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate) |
| Investigation Status Details | Being on a residential customer owned fuel line. |
| Employee Drug Test Ind | Yes |
| Num Employees Tested | 1 |
| Num Employees Failed | 0 |
| Contractor Drug Test Ind | Yes |
| Num Contractors Tested | 1 |
| Num Contractors Failed | 0 |
| Cause | Other Incident Cause |
| Cause Details | Unknown |
| Other Type | Unknown |
| Unknown Subtype | Still Under Investigation, Cause Of Incident To Be Determined* (*supplemental Report Required) |
| Preparer Name | S**** B****** |
| Preparer Title | Supervisor Gas Operations |
| Preparer Email | S************@d*************.com |
| Preparer Telephone | 801-548-7520 |
| Local Contact Name | J***** W****** |
| Local Contact Email | J*************@d*************.com |
| Local Contact Telephone | 801-209-0814 |
| Authorizer Name | R*** J****** |
| Authorizer Title | Manager Gas Operations |
| Authorizer Telephone | 801-574-0111 |
| Authorizer Email | R***********@d*************.com |
| Narrative | At approximately 6:00 am, on march 20, 2024, questar gas company d/b/a dominion energy utah (deu) received a call from 911 reporting a residential explosion at 67 north 370 east, american fork, utah. Deu responded to the scene and observed an active fire in the duplex structure. American fork fire department shut off the flow of natural gas. It was reported that the resident of 69 north 370 east was found deceased. The structure at 67 and 69 north 370 east were destroyed. The home at 53 north 370 east sustained structural damage. Once the scene was secure, deu performed pressure tests on the main and service lines associated with 67 and 69 north 370 east. 67 and 69 north 370 east were served by a single service line and dual meter sets. Deu tested the main and service lines at operating pressure of 45 psi for 15 minutes. Each held pressure, indicating no leaks on the main and service lines. These pressure tests were witnessed by a representative of utah pipeline safety. Deu also executed its leak screen procedure, screening for leaks on the other main and service lines in the neighborhood and found no leaks. Deu's cause and origin investigation is ongoing. At the fire departments direction, deu removed the meter sets and riser for 67 and 69 north 370 east and surrendered them to the fire departments custody on the day of the incident . Testing of our deu equipment was completed on 7/29/2024. Initial nrc incident report #1394296, was made on 03/20/2024 at 7:42am mt. 48-hour update nrc #1394442, was made on 03/21/2024 at 7:30pm mt. |
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