Incident details
Operator, cause, commodity and consequences with raw source fields.
GD incident on 2025-04-10 — MS
Operator
Atmos Energy Corporation - Mississippi
Cause
Other Incident Cause
Commodity
Natural Gas
Program
GD
Damage and Injuries
0 fatalities
2 injuries
Property damage (nominal)
$100,000
Incident datetime
2025-04-10 00:00 UTC
Report number
Location
MS, LEE
Narrative
Atmos energy's second-party contractor was attempting to complete a stopple fitting when the completion plug was ejected, resulting in injuries to three contractor employees and a release of natural gas. A mainline valve was closed, eliminating the release of natural gas.
Detailed record list
Report Received Date
2025-04-10 00:00:00
Iyear
2025.0
Report Number
20250019.0
Supplemental Number
40745.0
Report Type
Original
Operator Id
12582
Name
Atmos Energy Corporation - Mississippi
Operator Street Address
5430 Lbj Freeway Suite 1800
Operator City Name
Dallas
Operator State Abbreviation
TX
Operator Postal Code
75240.0
Time Zone
Central
Daylight Savings Ind
Yes
Location Street Address
137 County Road 660
Location City Name
Plantersville
Location County Name
Lee
Location State Abbreviation
MS
Location Postal Code
38862.0
Location Latitude
34.16486
Location Longitude
-88.61762
Flow Cont Main Valve Ind
Yes
Nrc Rpt Num
1425629.0
Commodity Released Type
Natural Gas
Unintentional Release
5874.0
Intentional Release
388.2
Fatality Ind
No
Fatal
0
Injury Ind
Yes
Num Emp Injuries
0
Num Contr Injuries
2
Num Er Injuries
0
Num Worker Injuries
0
Num Gp Injuries
0
Injure
2
Ignite Ind
No
Num Pub Evacuated
0.0
Communication State Fed Ind
Yes
Party Initiated Communication
Operator
Federal
No
Location Type
Private Property
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
84.0
Other Underground Facilities
No
Crossing
No
Pipe Facility Type
Investor Owned
System Part Involved
Other
System Part Details
Completion Plug Of A Stopple Fitting
Installation Year
2025.0
Manufactured Year
2024.0
Material Involved
Other
Material Details
Completion Plug Of A Stopple Fitting
Release Type
Other
Release Type Details
The Completion Plug Of A Stopple Fitting Was Ejected.
Class Location Type
Class 2 Location
Est Cost Oper Paid
0.0
Est Cost Prop Damage
100000.0
Est Cost Emergency
50000.0
Est Cost Other
0.0
Gas Cost In Mcf
3.4944
Est Cost Unintentional Release
20526.0
Est Cost Intentional Release
1357.0
Prpty
171883.0
Commercial Affected
2285.0
Industrial Affected
215.0
Residences Affected
14998.0
Num Persons Hosp Not Ovnght
1.0
Num Injured Treated By Emt
0.0
Num Resident Building Affctd
0.0
Num Business Building Affctd
0.0
Accident Psig
330.0
Normal Psig
330.0
Mop Psig
385.0
Mop Cfr Section
192.619(A)(2)
Maop Established Date
1991-10-10 00:00:00
Accident Pressure
Pressure Did Not Exceed Maop
Gas Odorized System Type
Injection Pump
Gas Odorized Level
8.8
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
Yes
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Contractor Working For The Operator
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
There were contractor and inspection personnel onsite who called the appropriate first responders along with atmos energy operation personnel. Gas control did not perform any action that contributed to the incident.
Employee Drug Test Ind
Yes
Num Employees Tested
1
Num Employees Failed
0
Contractor Drug Test Ind
Yes
Num Contractors Tested
9
Num Contractors Failed
1
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
F**** H* R***
Preparer Title
Manager Engineering Services
Preparer Email
F*********@a**********.com
Preparer Telephone
(601) 592-5313
Preparer Fax
(601) 360-1492
Local Contact Name
T**** H******
Local Contact Email
T************@a**********.com
Local Contact Telephone
(662) 690-5202
Authorizer Name
C*** K***
Authorizer Title
Vice-President Technical Services
Authorizer Telephone
(601) 624-1903
Authorizer Email
C********@a**********.com
Narrative
Atmos energy's second-party contractor was attempting to complete a stopple fitting when the completion plug was ejected, resulting in injuries to three contractor employees and a release of natural gas. A mainline valve was closed, eliminating the release of natural gas.
| Report Received Date | 2025-04-10 00:00:00 |
|---|---|
| Iyear | 2025.0 |
| Report Number | 20250019.0 |
| Supplemental Number | 40745.0 |
| Report Type | Original |
| Operator Id | 12582 PHMSA Enforcement |
| Name | Atmos Energy Corporation - Mississippi |
| Operator Street Address | 5430 Lbj Freeway Suite 1800 |
| Operator City Name | Dallas |
| Operator State Abbreviation | TX |
| Operator Postal Code | 75240.0 |
| Time Zone | Central |
| Daylight Savings Ind | Yes |
| Location Street Address | 137 County Road 660 |
| Location City Name | Plantersville |
| Location County Name | Lee |
| Location State Abbreviation | MS |
| Location Postal Code | 38862.0 |
| Location Latitude | 34.16486 Google Maps OpenStreetMap |
| Location Longitude | -88.61762 Google Maps OpenStreetMap |
| Flow Cont Main Valve Ind | Yes |
| Nrc Rpt Num | 1425629.0 NRC Report How to search |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 5874.0 |
| Intentional Release | 388.2 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | Yes |
| Num Emp Injuries | 0 |
| Num Contr Injuries | 2 |
| Num Er Injuries | 0 |
| Num Worker Injuries | 0 |
| Num Gp Injuries | 0 |
| Injure | 2 |
| Ignite Ind | No |
| Num Pub Evacuated | 0.0 |
| Communication State Fed Ind | Yes |
| Party Initiated Communication | Operator |
| Federal | No |
| Location Type | Private Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 84.0 |
| Other Underground Facilities | No |
| Crossing | No |
| Pipe Facility Type | Investor Owned |
| System Part Involved | Other |
| System Part Details | Completion Plug Of A Stopple Fitting |
| Installation Year | 2025.0 |
| Manufactured Year | 2024.0 |
| Material Involved | Other |
| Material Details | Completion Plug Of A Stopple Fitting |
| Release Type | Other |
| Release Type Details | The Completion Plug Of A Stopple Fitting Was Ejected. |
| Class Location Type | Class 2 Location |
| Est Cost Oper Paid | 0.0 |
| Est Cost Prop Damage | 100000.0 |
| Est Cost Emergency | 50000.0 |
| Est Cost Other | 0.0 |
| Gas Cost In Mcf | 3.4944 |
| Est Cost Unintentional Release | 20526.0 |
| Est Cost Intentional Release | 1357.0 |
| Prpty | 171883.0 |
| Commercial Affected | 2285.0 |
| Industrial Affected | 215.0 |
| Residences Affected | 14998.0 |
| Num Persons Hosp Not Ovnght | 1.0 |
| Num Injured Treated By Emt | 0.0 |
| Num Resident Building Affctd | 0.0 |
| Num Business Building Affctd | 0.0 |
| Accident Psig | 330.0 |
| Normal Psig | 330.0 |
| Mop Psig | 385.0 |
| Mop Cfr Section | 192.619(A)(2) View CFR 49 §192 |
| Maop Established Date | 1991-10-10 00:00:00 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Gas Odorized System Type | Injection Pump |
| Gas Odorized Level | 8.8 |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | No |
| Scada Conf Ind | Yes |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Contractor Working For The Operator |
| 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 | There were contractor and inspection personnel onsite who called the appropriate first responders along with atmos energy operation personnel. Gas control did not perform any action that contributed to the incident. |
| Employee Drug Test Ind | Yes |
| Num Employees Tested | 1 |
| Num Employees Failed | 0 |
| Contractor Drug Test Ind | Yes |
| Num Contractors Tested | 9 |
| Num Contractors Failed | 1 |
| 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 | F**** H* R*** |
| Preparer Title | Manager Engineering Services |
| Preparer Email | F*********@a**********.com |
| Preparer Telephone | (601) 592-5313 |
| Preparer Fax | (601) 360-1492 |
| Local Contact Name | T**** H****** |
| Local Contact Email | T************@a**********.com |
| Local Contact Telephone | (662) 690-5202 |
| Authorizer Name | C*** K*** |
| Authorizer Title | Vice-President Technical Services |
| Authorizer Telephone | (601) 624-1903 |
| Authorizer Email | C********@a**********.com |
| Narrative | Atmos energy's second-party contractor was attempting to complete a stopple fitting when the completion plug was ejected, resulting in injuries to three contractor employees and a release of natural gas. A mainline valve was closed, eliminating the release of natural gas. |
External Resources
PHMSA pipeline safety insights.
Product
Features
Company
All rights reserved. Copyright © by ClearPHMSA