Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2023-09-20 — CA
Operator
Southern California Gas Co
Cause
Natural Force Damage
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$10,500,000
Incident datetime
2023-09-20 00:00 UTC
Report number
Location
CA
Narrative
On 8/20/2023, socalgas crews responded to a pipeline rupture on l6916 at worsley rd & mission creek rd, desert hot springs, san bernardino. Upon investigation, the 16-inch transmission line ruptured from rushing water found in area with debris and earth in the extreme weather conditions of hurricane hillary. The transmission pipeline had been isolated and is still currently out of service with repairs ongoing. No injuries or fatalities resulted from this incident. This incident was reported to the DOT and cpuc due to gas release and damages exceeding $139,700. Estimated property damage costs are still being finalized. A supplemental will be submitted once costs are finalized. Note that item e(1)(a) is still pending. Value "1 mscf/d" was inputted due to system's submission requirements. Update 10/20/2023: > part a4 earliest local time incident reporting criteria was met: 07:44 > part d(7)(c) estimated cost of emergency response: $23,000 > part g2 natural force damage sub-cause changed to "heavy rains/floods". Specification: "other, hurricane hillary". Update 12/27/2023: > part a16b local time pipeline/facility restarted: 11/03/2023 @ 18:00 > part a19 local time of confirmed discovery : 08/21/2023 @ 14:51 update 02/12/2024: > part e(1)(a) value updated to "0". Value "0 mscf/d" was inputted due to system's submission requirements. This value is unknown and not able to be determined.
Detailed record list
Report Received Date
2023-09-20 00:00:00
Iyear
2023
Report Number
20230090
Supplemental Number
39181
Report Type
Supplemental Final
Operator Id
18484
Name
Southern California Gas Co
Operator Street Address
555 West Fifth Street
Operator City Name
Los Angeles
Operator State Abbreviation
CA
Operator Postal Code
90013
Time Zone
Pacific
Daylight Savings Ind
Yes
Location Latitude
33.989205
Location Longitude
-116.568623
Nrc Rpt Num
1376879
Additional Nrc Report Numbers
1377037
Commodity Released Type
Natural Gas
Unintentional Release
4800
Intentional Release
3700
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Status When Identified
Normal Operation, Includes Pauses During Maintenance
Shutdown Due Accident Ind
Yes
Communication State Fed Ind
Yes
Party Initiated Communication
Operator
Ignite Ind
No
Upstream Action Taken
Valve Closure
Downstream Action Taken
Valve Closure
Num Pub Evacuated
0
On Off Shore
Onshore
Onshore State Abbreviation
Ca
Onshore Postal Code
92240
Onshore City Name
Desert Hot Springs
Onshore County Name
San Bernardino
Designated Location
Milepost
Designated Name
105.6
Pipe Fac Name
L6916
Segment Name
M.p. 105.6
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
43
Other Underground Facilities
No
Crossing
No
Pipe Facility Type
Intrastate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
16
Puddle Weld Ind
No
Pipe Wall Thickness
0.25
Pipe Smys
52000
Pipe Specification
Unknown
Pipe Seam Type
Flash Welded
Pipe Manufacturer
Unknown
Pipe Coating Type
Coal Tar
Coating Applied Ind
Unknown
Installation Year
1958
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Rupture
Rupture Orient
Circumferential
Rupture Length
16
Rupture Width
16
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
315
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
28800
Est Cost Intentional Release
22200
Est Cost Prop Damage
10500000
Est Cost Emergency
23000
Est Cost Other
0
Gas Cost In Mcf
6
Prpty
10574000
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Wildlife Impact Ind
No
Accident Psig
468
Gas Flow In Pipe In Mcf
0
Mop Psig
812
Mop Cfr Section
192.619(A)(2)
Maop Established Date
2010-07-29 00:00:00
Maop Reversal Flow Ind
Bi-Directional
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Gas Required Odorized Ind
Yes
Gas Odorized Ind
Yes
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Automatic
Length Segment Isolated
123024
Internal Inspection Ind
Yes
Operation Complications Ind
No
Pipeline Function
Transmission Line Of Distribution System
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
Yes
Scada Conf Ind
No
Accident Identifier
Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Or Pack Calculations)
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
No, damage caused by storm-related event. Thus there were no issues from the control room.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Natural Force Damage
Cause Details
Heavy Rains/floods
Natural Force Type
Heavy Rains/floods
Heavy Rains Subtype
Other
Nf Other Details
Hurricane Hillary
Nf Extreme Weather Ind
Yes
Nf Hurricane Ind
Yes
Preparer Name
S***** T*
Preparer Title
Pipeline Safety And Compliance Advisor
Preparer Email
S****@s*******.com
Preparer Telephone
978-719-3485
Preparer Fax
909-335-3989
Local Contact Name
S***** T*
Local Contact Email
S****@s*******.com
Local Contact Telephone
978-719-3485
Authorizer Name
S***** T*
Authorizer Title
Pipeline Safety And Compliance Advisor
Authorizer Telephone
978-719-3485
Authorizer Email
S****@s*******.com
Narrative
O**********************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************@ 18:00 > part a19 local time of confirmed discovery : 08/21/2023 @ 14:51 update 02/12/2024: > part e(1)(a) value updated to "0". Value "0 mscf/d" was inputted due to system's submission requirements. ***************************************************.
| Report Received Date | 2023-09-20 00:00:00 |
|---|---|
| Iyear | 2023 |
| Report Number | 20230090 |
| Supplemental Number | 39181 |
| Report Type | Supplemental Final |
| Operator Id | 18484 PHMSA Enforcement |
| Name | Southern California Gas Co |
| Operator Street Address | 555 West Fifth Street |
| Operator City Name | Los Angeles |
| Operator State Abbreviation | CA |
| Operator Postal Code | 90013 |
| Time Zone | Pacific |
| Daylight Savings Ind | Yes |
| Location Latitude | 33.989205 Google Maps OpenStreetMap |
| Location Longitude | -116.568623 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1376879 NRC Report How to search |
| Additional Nrc Report Numbers | 1377037 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 4800 |
| Intentional Release | 3700 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Status When Identified | Normal Operation, Includes Pauses During Maintenance |
| Shutdown Due Accident Ind | Yes |
| Communication State Fed Ind | Yes |
| Party Initiated Communication | Operator |
| Ignite Ind | No |
| Upstream Action Taken | Valve Closure |
| Downstream Action Taken | Valve Closure |
| Num Pub Evacuated | 0 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Ca |
| Onshore Postal Code | 92240 |
| Onshore City Name | Desert Hot Springs |
| Onshore County Name | San Bernardino |
| Designated Location | Milepost |
| Designated Name | 105.6 |
| Pipe Fac Name | L6916 |
| Segment Name | M.p. 105.6 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 43 |
| Other Underground Facilities | No |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 16 |
| Puddle Weld Ind | No |
| Pipe Wall Thickness | 0.25 |
| Pipe Smys | 52000 |
| Pipe Specification | Unknown |
| Pipe Seam Type | Flash Welded |
| Pipe Manufacturer | Unknown |
| Pipe Coating Type | Coal Tar |
| Coating Applied Ind | Unknown |
| Installation Year | 1958 |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Rupture |
| Rupture Orient | Circumferential |
| Rupture Length | 16 |
| Rupture Width | 16 |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 315 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Did Occur In Mca Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 28800 |
| Est Cost Intentional Release | 22200 |
| Est Cost Prop Damage | 10500000 |
| Est Cost Emergency | 23000 |
| Est Cost Other | 0 |
| Gas Cost In Mcf | 6 |
| Prpty | 10574000 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Wildlife Impact Ind | No |
| Accident Psig | 468 |
| Gas Flow In Pipe In Mcf | 0 |
| Mop Psig | 812 |
| Mop Cfr Section | 192.619(A)(2) View CFR 49 §192 |
| Maop Established Date | 2010-07-29 00:00:00 |
| Maop Reversal Flow Ind | Bi-Directional |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Gas Required Odorized Ind | Yes |
| Gas Odorized Ind | Yes |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Automatic |
| Length Segment Isolated | 123024 |
| Internal Inspection Ind | Yes |
| Operation Complications Ind | No |
| Pipeline Function | Transmission Line Of Distribution System |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | Yes |
| Scada Conf Ind | No |
| Accident Identifier | Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Or Pack Calculations) |
| 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 | No, damage caused by storm-related event. Thus there were no issues from the control room. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Natural Force Damage |
| Cause Details | Heavy Rains/floods |
| Natural Force Type | Heavy Rains/floods |
| Heavy Rains Subtype | Other |
| Nf Other Details | Hurricane Hillary |
| Nf Extreme Weather Ind | Yes |
| Nf Hurricane Ind | Yes |
| Preparer Name | S***** T* |
| Preparer Title | Pipeline Safety And Compliance Advisor |
| Preparer Email | S****@s*******.com |
| Preparer Telephone | 978-719-3485 |
| Preparer Fax | 909-335-3989 |
| Local Contact Name | S***** T* |
| Local Contact Email | S****@s*******.com |
| Local Contact Telephone | 978-719-3485 |
| Authorizer Name | S***** T* |
| Authorizer Title | Pipeline Safety And Compliance Advisor |
| Authorizer Telephone | 978-719-3485 |
| Authorizer Email | S****@s*******.com |
| Narrative | O**********************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************************@ 18:00 > part a19 local time of confirmed discovery : 08/21/2023 @ 14:51 update 02/12/2024: > part e(1)(a) value updated to "0". Value "0 mscf/d" was inputted due to system's submission requirements. ***************************************************. |
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