Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2025-07-16 — MI
Operator
Dtm Louisiana Gathering, Llc
Cause
Other Incident Cause
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$190,000
Incident datetime
2025-07-16 00:00 UTC
Report number
Location
MI
Narrative
On june 16, 2025, at approximately 0815 hours, a rupture occurred in a bored section of the pipeline. This resulted in an unintentional release of natural gas exceeding 3 mmcf. Dtm's field technicians responded to the unintentional release, isolating the affected section of the pipeline and preventing further release. The cause of the failure is still under investigation. The failed section of pipe has been removed and sent off for a complete analysis. A supplemental report will be submitted when dtm has more information.
Detailed record list
Report Received Date
2025-07-16 00:00:00
Iyear
2025
Report Number
20250081
Supplemental Number
41151
Report Type
Original
Operator Id
39913
Name
Dtm Louisiana Gathering, Llc
Operator Street Address
500 Woodward Ave. Suite 2900
Operator City Name
Detroit
Operator State Abbreviation
MI
Operator Postal Code
48226
Time Zone
Central
Daylight Savings Ind
No
Location Latitude
32.0681
Location Longitude
-93.9091
Nrc Rpt Num
1434216
Additional Nrc Report Numbers
1434426
Commodity Released Type
Natural Gas
Unintentional Release
17810
Intentional Release
0
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
Still Shutdown Ind
Yes
Communication State Fed Ind
No
Ignite Ind
No
Upstream Action Taken
Valve Closure
Downstream Action Taken
Valve Closure
Num Pub Evacuated
0
On Off Shore
Onshore
Onshore State Abbreviation
La
Onshore Postal Code
71032
Onshore City Name
Not Within A Municipality
Onshore County Name
Desoto
Designated Location
Not Applicable
Pipe Fac Name
Long Main
Segment Name
M5l-308-00d
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
180
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
8
Puddle Weld Ind
No
Pipe Wall Thickness
0.322
Pipe Smys
52000
Pipe Specification
Api 5l X52m
Pipe Seam Type
Longitudinal Erw - High Frequency
Pipe Manufacturer
Seah Steel Corp
Pipe Coating Type
Epoxy
Coating Applied Ind
No
Installation Year
2018
Manufactured Year
2017
Material Involved
Carbon Steel
Release Type
Rupture
Rupture Orient
Circumferential
Rupture Length
15
Rupture Width
8
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
221
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
235983
Est Cost Intentional Release
0
Est Cost Prop Damage
190000
Est Cost Emergency
0
Est Cost Other
0
Gas Cost In Mcf
13.25
Prpty
425983
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
939
Gas Flow In Pipe In Mcf
12400
Mop Psig
1235
Mop Cfr Section
192.619(A)(2)
Maop Established Date
2018-04-11 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Gas Required Odorized Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Length Segment Isolated
3546
Internal Inspection Ind
Yes
Operation Complications Ind
No
Pipeline Function
Type C Gathering
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
Yes
Scada Conf Ind
Yes
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
The control room is monitor-only for that system and successfully handled the alarm by notifying local field staff.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
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
N*** N******
Preparer Title
Senior Compliance Specialist
Preparer Email
N***********@d**********.com
Preparer Telephone
1-318-918-8381
Preparer Fax
1-318-447-2097
Local Contact Name
R** G***
Local Contact Email
R*******@d**********.com
Local Contact Telephone
1-304-712-1758
Authorizer Name
P****** C******
Authorizer Title
Director Codes And Regulatory
Authorizer Telephone
1-734-730-4870
Authorizer Email
P**************@d**********.com
Narrative
On june 16, 2025, at approximately 0815 hours, a rupture occurred in a bored section of the pipeline. This resulted in an unintentional release of natural gas exceeding 3 mmcf. Dtm's field technicians responded to the unintentional release, isolating the affected section of the pipeline and preventing further release. The cause of the failure is still under investigation. The failed section of pipe has been removed and sent off for a complete analysis. A supplemental report will be submitted when dtm has more information.
| Report Received Date | 2025-07-16 00:00:00 |
|---|---|
| Iyear | 2025 |
| Report Number | 20250081 |
| Supplemental Number | 41151 |
| Report Type | Original |
| Operator Id | 39913 PHMSA Enforcement |
| Name | Dtm Louisiana Gathering, Llc |
| Operator Street Address | 500 Woodward Ave. Suite 2900 |
| Operator City Name | Detroit |
| Operator State Abbreviation | MI |
| Operator Postal Code | 48226 |
| Time Zone | Central |
| Daylight Savings Ind | No |
| Location Latitude | 32.0681 Google Maps OpenStreetMap |
| Location Longitude | -93.9091 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1434216 NRC Report How to search |
| Additional Nrc Report Numbers | 1434426 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 17810 |
| Intentional Release | 0 |
| 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 |
| Still Shutdown Ind | Yes |
| Communication State Fed Ind | No |
| Ignite Ind | No |
| Upstream Action Taken | Valve Closure |
| Downstream Action Taken | Valve Closure |
| Num Pub Evacuated | 0 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | La |
| Onshore Postal Code | 71032 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Desoto |
| Designated Location | Not Applicable |
| Pipe Fac Name | Long Main |
| Segment Name | M5l-308-00d |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 180 |
| 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 | 8 |
| Puddle Weld Ind | No |
| Pipe Wall Thickness | 0.322 |
| Pipe Smys | 52000 |
| Pipe Specification | Api 5l X52m |
| Pipe Seam Type | Longitudinal Erw - High Frequency |
| Pipe Manufacturer | Seah Steel Corp |
| Pipe Coating Type | Epoxy |
| Coating Applied Ind | No |
| Installation Year | 2018 |
| Manufactured Year | 2017 |
| Material Involved | Carbon Steel |
| Release Type | Rupture |
| Rupture Orient | Circumferential |
| Rupture Length | 15 |
| Rupture Width | 8 |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 221 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Did Occur In Mca Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 235983 |
| Est Cost Intentional Release | 0 |
| Est Cost Prop Damage | 190000 |
| Est Cost Emergency | 0 |
| Est Cost Other | 0 |
| Gas Cost In Mcf | 13.25 |
| Prpty | 425983 |
| 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 | 939 |
| Gas Flow In Pipe In Mcf | 12400 |
| Mop Psig | 1235 |
| Mop Cfr Section | 192.619(A)(2) View CFR 49 §192 |
| Maop Established Date | 2018-04-11 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Gas Required Odorized Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Length Segment Isolated | 3546 |
| Internal Inspection Ind | Yes |
| Operation Complications Ind | No |
| Pipeline Function | Type C Gathering |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | Yes |
| Scada Conf Ind | Yes |
| 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 | The control room is monitor-only for that system and successfully handled the alarm by notifying local field staff. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| 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 | N*** N****** |
| Preparer Title | Senior Compliance Specialist |
| Preparer Email | N***********@d**********.com |
| Preparer Telephone | 1-318-918-8381 |
| Preparer Fax | 1-318-447-2097 |
| Local Contact Name | R** G*** |
| Local Contact Email | R*******@d**********.com |
| Local Contact Telephone | 1-304-712-1758 |
| Authorizer Name | P****** C****** |
| Authorizer Title | Director Codes And Regulatory |
| Authorizer Telephone | 1-734-730-4870 |
| Authorizer Email | P**************@d**********.com |
| Narrative | On june 16, 2025, at approximately 0815 hours, a rupture occurred in a bored section of the pipeline. This resulted in an unintentional release of natural gas exceeding 3 mmcf. Dtm's field technicians responded to the unintentional release, isolating the affected section of the pipeline and preventing further release. The cause of the failure is still under investigation. The failed section of pipe has been removed and sent off for a complete analysis. A supplemental report will be submitted when dtm has more information. |
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