Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2025-08-20 — TX
Operator
Enterprise Products Operating Llc
Cause
Other Outside Force Damage
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$80,000
Incident datetime
2025-08-20 12:15
Report number
Location
TX
Narrative
On 08/20/2025, a third-party lawnmower struck line 15, the incident is nrc reportable as the event was deemed significant due to road closures and evacuations. Volume released and repair cost did not meet the threshold. A plidco clamp was installed to repair the leak, the line returned back to normal operations on 08/22/2025. Report received from the brazoria county sheriff's office did not specify the number of general public evacuated.
Detailed record list
Report Received Date
2025-09-18 00:00:00
Iyear
2025
Report Number
20250105
Supplemental Number
41520
Report Type
Supplemental Final
Operator Id
31618
Name
Enterprise Products Operating Llc
Operator Street Address
1100 Louisiana Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2025-08-20 12:15:00
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
29.3965965
Location Longitude
-95.2272901
Nrc Rpt Num
1440420
Nrc Rpt Datetime
2025-08-20 12:57:00
Additional Nrc Report Numbers
1440546
Commodity Released Type
Natural Gas
Unintentional Release
2651
Intentional Release
3317
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
Shutdown Datetime
2025-08-20 12:44:00
Restart Datetime
2025-08-22 00:05:00
Communication State Fed Ind
Yes
Party Initiated Communication
Operator
Initial Responder Com Datetime
2025-08-20 12:13:00
Ignite Ind
No
Upstream Action Taken
Valve Closure
Upstream Valve Close Datetime
2025-08-20 12:44:00
Downstream Action Taken
Valve Closure
Downstream Vlv Close Datetime
2025-08-20 13:07:00
Num Pub Evacuated
1
Incident Identified Datetime
2025-08-20 12:15:00
On Site Datetime
2025-08-20 12:08:00
Confirmed Discovery Datetime
2025-08-20 12:37:00
On Off Shore
Onshore
Onshore State Abbreviation
Tx
Onshore Postal Code
77511
Onshore City Name
Alvin
Onshore County Name
Brazoria
Designated Location
Milepost
Designated Name
103
Pipe Fac Name
Line 15-Texas City Extension
Segment Name
Line 15-Texas City Extension
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Aboveground
Incident Area Subtype
In Or Spanning An Open Ditch
Crossing
No
Pipe Facility Type
Intrastate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
20
Puddle Weld Ind
No
Pipe Wall Thickness
0.281
Pipe Smys
52000
Pipe Specification
Unknown
Pipe Seam Type
Longitudinal Erw - Low Frequency
Pipe Manufacturer
American Mannex
Pipe Coating Type
Coal Tar
Coating Applied Ind
Unknown
Installation Year
1963
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Third Party Line Strike
Class Location Type
Class 3 Location
Could Be Hca
No
Pir Radius
373
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
6628
Est Cost Intentional Release
8293
Est Cost Prop Damage
80000
Est Cost Emergency
5000
Est Cost Other
0
Gas Cost In Mcf
2.5
Prpty
99921
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
700
Gas Flow In Pipe In Mcf
190000
Mop Psig
731
Mop Cfr Section
192.619(A)(1)
Maop Established Date
1974-12-23 00:00:00
Maop Reversal Flow Ind
No
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
Manual
Length Segment Isolated
27456
Internal Inspection Ind
Yes
Operation Complications Ind
No
Pipeline Function
Transmission System
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 line was struck by third party lawn mower
Employee Drug Test Ind
Yes
Contractor Drug Test Ind
No
Num Employees Tested
1
Num Employees Failed
0
Cause
Other Outside Force Damage
Cause Details
Damage By Car, Truck, Or Other Motorized Vehicle/equipment Not Engaged In Excavation
Outside Force Type
Damage By Car, Truck, Or Other Motorized Vehicle/equipment Not Engaged In Excavation
Vehicle Subtype
Third Party
Driver Issued Citation Ind
Unknown
Driver In Control Ind
Unknown
Estimated Speed Unknown Ind
Yes
Vehicle Type
Large Truck
Vehicle Travel From
Off-Road
Vehicle Travel Distance Ft
0
Protections Installed Ind
No
Preparer Name
U*** A******
Preparer Title
Pipeline Compliance Engineer
Preparer Email
U********@e****.com
Preparer Telephone
713-381-3818
Local Contact Name
U*** A******
Local Contact Email
U********@e****.com
Local Contact Telephone
713-381-3818
Authorizer Name
U*** A******
Authorizer Title
Pipeline Compliance Engineer
Authorizer Telephone
713-381-3818
Authorizer Email
U********@e****.com
Narrative
On 08/20/2025, a third-party lawnmower struck line 15, the incident is nrc reportable as the event was deemed significant due to road closures and evacuations. Volume released and repair cost did not meet the threshold. A plidco clamp was installed to repair the leak, the line returned back to normal operations on 08/22/2025. Report received from the brazoria county sheriff's office did not specify the number of general public evacuated.
| Report Received Date | 2025-09-18 00:00:00 |
|---|---|
| Iyear | 2025 |
| Report Number | 20250105 |
| Supplemental Number | 41520 |
| Report Type | Supplemental Final |
| Operator Id | 31618 PHMSA Enforcement |
| Name | Enterprise Products Operating Llc |
| Operator Street Address | 1100 Louisiana Street |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2025-08-20 12:15:00 |
| Time Zone | Central |
| Daylight Savings Ind | Yes |
| Location Latitude | 29.3965965 Google Maps OpenStreetMap |
| Location Longitude | -95.2272901 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1440420 NRC Report How to search |
| Nrc Rpt Datetime | 2025-08-20 12:57:00 |
| Additional Nrc Report Numbers | 1440546 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 2651 |
| Intentional Release | 3317 |
| 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 |
| Shutdown Datetime | 2025-08-20 12:44:00 |
| Restart Datetime | 2025-08-22 00:05:00 |
| Communication State Fed Ind | Yes |
| Party Initiated Communication | Operator |
| Initial Responder Com Datetime | 2025-08-20 12:13:00 |
| Ignite Ind | No |
| Upstream Action Taken | Valve Closure |
| Upstream Valve Close Datetime | 2025-08-20 12:44:00 |
| Downstream Action Taken | Valve Closure |
| Downstream Vlv Close Datetime | 2025-08-20 13:07:00 |
| Num Pub Evacuated | 1 |
| Incident Identified Datetime | 2025-08-20 12:15:00 |
| On Site Datetime | 2025-08-20 12:08:00 |
| Confirmed Discovery Datetime | 2025-08-20 12:37:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77511 |
| Onshore City Name | Alvin |
| Onshore County Name | Brazoria |
| Designated Location | Milepost |
| Designated Name | 103 |
| Pipe Fac Name | Line 15-Texas City Extension |
| Segment Name | Line 15-Texas City Extension |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Aboveground |
| Incident Area Subtype | In Or Spanning An Open Ditch |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 20 |
| Puddle Weld Ind | No |
| Pipe Wall Thickness | 0.281 |
| Pipe Smys | 52000 |
| Pipe Specification | Unknown |
| Pipe Seam Type | Longitudinal Erw - Low Frequency |
| Pipe Manufacturer | American Mannex |
| Pipe Coating Type | Coal Tar |
| Coating Applied Ind | Unknown |
| Installation Year | 1963 |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Other |
| Release Type Details | Third Party Line Strike |
| Class Location Type | Class 3 Location |
| Could Be Hca | No |
| Pir Radius | 373 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Did Occur In Mca Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 6628 |
| Est Cost Intentional Release | 8293 |
| Est Cost Prop Damage | 80000 |
| Est Cost Emergency | 5000 |
| Est Cost Other | 0 |
| Gas Cost In Mcf | 2.5 |
| Prpty | 99921 |
| 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 | 700 |
| Gas Flow In Pipe In Mcf | 190000 |
| Mop Psig | 731 |
| Mop Cfr Section | 192.619(A)(1) View CFR 49 §192 |
| Maop Established Date | 1974-12-23 00:00:00 |
| Maop Reversal Flow Ind | No |
| 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 | Manual |
| Length Segment Isolated | 27456 |
| Internal Inspection Ind | Yes |
| Operation Complications Ind | No |
| Pipeline Function | Transmission System |
| 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 line was struck by third party lawn mower |
| Employee Drug Test Ind | Yes |
| Contractor Drug Test Ind | No |
| Num Employees Tested | 1 |
| Num Employees Failed | 0 |
| Cause | Other Outside Force Damage |
| Cause Details | Damage By Car, Truck, Or Other Motorized Vehicle/equipment Not Engaged In Excavation |
| Outside Force Type | Damage By Car, Truck, Or Other Motorized Vehicle/equipment Not Engaged In Excavation |
| Vehicle Subtype | Third Party |
| Driver Issued Citation Ind | Unknown |
| Driver In Control Ind | Unknown |
| Estimated Speed Unknown Ind | Yes |
| Vehicle Type | Large Truck |
| Vehicle Travel From | Off-Road |
| Vehicle Travel Distance Ft | 0 |
| Protections Installed Ind | No |
| Preparer Name | U*** A****** |
| Preparer Title | Pipeline Compliance Engineer |
| Preparer Email | U********@e****.com |
| Preparer Telephone | 713-381-3818 |
| Local Contact Name | U*** A****** |
| Local Contact Email | U********@e****.com |
| Local Contact Telephone | 713-381-3818 |
| Authorizer Name | U*** A****** |
| Authorizer Title | Pipeline Compliance Engineer |
| Authorizer Telephone | 713-381-3818 |
| Authorizer Email | U********@e****.com |
| Narrative | On 08/20/2025, a third-party lawnmower struck line 15, the incident is nrc reportable as the event was deemed significant due to road closures and evacuations. Volume released and repair cost did not meet the threshold. A plidco clamp was installed to repair the leak, the line returned back to normal operations on 08/22/2025. Report received from the brazoria county sheriff's office did not specify the number of general public evacuated. |
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