Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2025-06-18 — SC
Operator
Dominion Energy South Carolina, Inc.
Cause
Excavation Issue
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$48,630
Incident datetime
2025-06-18 00:00 UTC
Report number
Location
SC, RICHLAND
Narrative
A third-party contractor came into contact with a 2" pl gas main at harden st. And slighs ave. In columbia, sc on the afternoon of saturday, may 3, 2025. No customers experienced an interruption of gas service as a result of the incident. The repair cost was over the $5000.00 reportable threshold. The total cost of repair is: $78,217.65. The lost gas exceeded the 3000 mcf PHMSA reportable threshold and totaled 4173 mcf.
Detailed record list
Report Received Date
2025-06-18 00:00:00
Iyear
2025.0
Report Number
20250036.0
Supplemental Number
41073.0
Report Type
Supplemental Final
Operator Id
18408
Name
Dominion Energy South Carolina, Inc.
Operator Street Address
601 Taylor Road Mail Code J48
Operator City Name
Cayce
Operator State Abbreviation
SC
Operator Postal Code
29033.0
Time Zone
Eastern
Daylight Savings Ind
No
Location Street Address
H**********@ **********.
Location City Name
Columbia
Location County Name
Richland
Location State Abbreviation
SC
Location Postal Code
29205.0
Location Latitude
34.024384
Location Longitude
-81.027256
Flow Cont Main Valve Ind
Yes
Flow Cont Stopple Fitng Ind
Yes
Nrc Rpt Num
1430255.0
Additional Nrc Report Numbers
1430444.0
Commodity Released Type
Natural Gas
Unintentional Release
4173.0
Intentional Release
0.0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Ignite Ind
No
Num Pub Evacuated
0.0
Communication State Fed Ind
Yes
Party Initiated Communication
Operator
Federal
No
Location Type
Public Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
36.0
Other Underground Facilities
No
Crossing
No
Pipe Facility Type
Privately Owned
System Part Involved
Main
Installation Year
1982.0
Pipe Diameter
2.0
Pipe Specification
Astm D2513
Pipe Manufacturer
Aldyl A
Material Involved
Plastic
Plastic Type
Polyethylene (Pe)
Plastic Sdr
11
Material Pe Pipe Code
2406
Release Type
Mechanical Puncture
Puncture Axial
1.0
Puncture Circum
2.0
Class Location Type
Class 2 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
48630.0
Est Cost Emergency
0.0
Est Cost Other
0.0
Gas Cost In Mcf
7.09
Est Cost Unintentional Release
29587.0
Est Cost Intentional Release
0.0
Prpty
78217.0
Commercial Affected
0.0
Industrial Affected
0.0
Residences Affected
0.0
Num Persons Hosp Not Ovnght
0.0
Num Injured Treated By Emt
0.0
Num Resident Building Affctd
0.0
Num Business Building Affctd
0.0
Accident Psig
45.0
Normal Psig
45.0
Mop Psig
60.0
Mop Cfr Section
192.619(A)(2)
Maop Established Date
1982-12-08 00:00:00
Accident Pressure
Pressure Did Not Exceed Maop
Gas Odorized System Type
Drip
Gas Odorized Lvl Not Msrd Ind
Yes
Scada In Place Ind
No
Accident Identifier
Notification From Third Party That Caused The Incident
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
Call in by the third-party contractor. This was a 2" distribution main.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Excavation Damage
Cause Details
Excavation Damage By Third Party
Ex Party Type
Excavation Damage By Third Party
Prior Notification Ind
Yes
One Call System Ind
Yes
State Law Exempt Ind
No
Notify Cga Dirt
Yes
Public Row Ind
Yes
Public Subtype
City Street
Joint Trench Ind
No
Cross Bore Ind
Yes
Depth Of Grade
> 36�
Excavator Type
Contractor
Excavator Equipment
Directional Drilling
Work Performed
Cable Tv
One Call Notified Ind
Yes
One Call Ticket Num
2504172523.0
White Lined Ind
Unknown
Locator Type
Contract Locator
Visible Marks
Yes
Service Interruption
No
Root Cause Category
Excavation Issue
Root Cause Type
Excavator Dug Prior To Verifying Marks By Test-Hole (Pothole)
Excvtn Dmg Third Party Ind
Yes
Preparer Name
J***** E***** E******
Preparer Title
Compliance Supervisor
Preparer Email
J***************@d*************.com
Preparer Telephone
8039771302
Authorizer Name
J***** E***** E******
Authorizer Title
Compliance Supervisor
Authorizer Telephone
8039771302
Authorizer Email
J***************@d*************.com
Narrative
A third-party contractor came into contact with a 2" pl gas main at harden st. And slighs ave. In columbia, sc on the afternoon of saturday, may 3, 2025. No customers experienced an interruption of gas service as a result of the incident. The repair cost was over the $5000.00 reportable threshold. The total cost of repair is: $78,217.65. The lost gas exceeded the 3000 mcf PHMSA reportable threshold and totaled 4173 mcf.
| Report Received Date | 2025-06-18 00:00:00 |
|---|---|
| Iyear | 2025.0 |
| Report Number | 20250036.0 |
| Supplemental Number | 41073.0 |
| Report Type | Supplemental Final |
| Operator Id | 18408 PHMSA Enforcement |
| Name | Dominion Energy South Carolina, Inc. |
| Operator Street Address | 601 Taylor Road Mail Code J48 |
| Operator City Name | Cayce |
| Operator State Abbreviation | SC |
| Operator Postal Code | 29033.0 |
| Time Zone | Eastern |
| Daylight Savings Ind | No |
| Location Street Address | H**********@ **********. |
| Location City Name | Columbia |
| Location County Name | Richland |
| Location State Abbreviation | SC |
| Location Postal Code | 29205.0 |
| Location Latitude | 34.024384 Google Maps OpenStreetMap |
| Location Longitude | -81.027256 Google Maps OpenStreetMap |
| Flow Cont Main Valve Ind | Yes |
| Flow Cont Stopple Fitng Ind | Yes |
| Nrc Rpt Num | 1430255.0 NRC Report How to search |
| Additional Nrc Report Numbers | 1430444.0 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 4173.0 |
| Intentional Release | 0.0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Ignite Ind | No |
| Num Pub Evacuated | 0.0 |
| Communication State Fed Ind | Yes |
| Party Initiated Communication | Operator |
| Federal | No |
| Location Type | Public Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 36.0 |
| Other Underground Facilities | No |
| Crossing | No |
| Pipe Facility Type | Privately Owned |
| System Part Involved | Main |
| Installation Year | 1982.0 |
| Pipe Diameter | 2.0 |
| Pipe Specification | Astm D2513 |
| Pipe Manufacturer | Aldyl A |
| Material Involved | Plastic |
| Plastic Type | Polyethylene (Pe) |
| Plastic Sdr | 11 |
| Material Pe Pipe Code | 2406 |
| Release Type | Mechanical Puncture |
| Puncture Axial | 1.0 |
| Puncture Circum | 2.0 |
| Class Location Type | Class 2 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 48630.0 |
| Est Cost Emergency | 0.0 |
| Est Cost Other | 0.0 |
| Gas Cost In Mcf | 7.09 |
| Est Cost Unintentional Release | 29587.0 |
| Est Cost Intentional Release | 0.0 |
| Prpty | 78217.0 |
| Commercial Affected | 0.0 |
| Industrial Affected | 0.0 |
| Residences Affected | 0.0 |
| Num Persons Hosp Not Ovnght | 0.0 |
| Num Injured Treated By Emt | 0.0 |
| Num Resident Building Affctd | 0.0 |
| Num Business Building Affctd | 0.0 |
| Accident Psig | 45.0 |
| Normal Psig | 45.0 |
| Mop Psig | 60.0 |
| Mop Cfr Section | 192.619(A)(2) View CFR 49 §192 |
| Maop Established Date | 1982-12-08 00:00:00 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Gas Odorized System Type | Drip |
| Gas Odorized Lvl Not Msrd Ind | Yes |
| Scada In Place Ind | No |
| Accident Identifier | Notification From Third Party That Caused The Incident |
| 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 | Call in by the third-party contractor. This was a 2" distribution main. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Excavation Damage |
| Cause Details | Excavation Damage By Third Party |
| Ex Party Type | Excavation Damage By Third Party |
| Prior Notification Ind | Yes |
| One Call System Ind | Yes |
| State Law Exempt Ind | No |
| Notify Cga Dirt | Yes |
| Public Row Ind | Yes |
| Public Subtype | City Street |
| Joint Trench Ind | No |
| Cross Bore Ind | Yes |
| Depth Of Grade | > 36� |
| Excavator Type | Contractor |
| Excavator Equipment | Directional Drilling |
| Work Performed | Cable Tv |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 2504172523.0 |
| White Lined Ind | Unknown |
| Locator Type | Contract Locator |
| Visible Marks | Yes |
| Service Interruption | No |
| Root Cause Category | Excavation Issue |
| Root Cause Type | Excavator Dug Prior To Verifying Marks By Test-Hole (Pothole) |
| Excvtn Dmg Third Party Ind | Yes |
| Preparer Name | J***** E***** E****** |
| Preparer Title | Compliance Supervisor |
| Preparer Email | J***************@d*************.com |
| Preparer Telephone | 8039771302 |
| Authorizer Name | J***** E***** E****** |
| Authorizer Title | Compliance Supervisor |
| Authorizer Telephone | 8039771302 |
| Authorizer Email | J***************@d*************.com |
| Narrative | A third-party contractor came into contact with a 2" pl gas main at harden st. And slighs ave. In columbia, sc on the afternoon of saturday, may 3, 2025. No customers experienced an interruption of gas service as a result of the incident. The repair cost was over the $5000.00 reportable threshold. The total cost of repair is: $78,217.65. The lost gas exceeded the 3000 mcf PHMSA reportable threshold and totaled 4173 mcf. |
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