Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2025-06-05 — TX
Operator
Enterprise Products Operating Llc
Cause
Equipment Failure
Commodity
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$107,908
Incident datetime
2025-06-05 00:00 UTC
Report number
Location
TX
Narrative
On 4/29/2025 at approximately 17:00 edt a third party notified enterprise that a tree had fallen on the bonnie brook mainline valve site. An enterprise technician went to the site to evaluate the damage, and no lel were detected at that time. Daily monitoring was performed after the initial report, however, no lel were detected until 5/6/2025 at 16:11 edt. The line was shut down at 18:04 as a safety precaution. On 5/7/2025 the determination was made that the incident was nrc reportable due to repair costs that would exceed $50,000. The valve was repaired and the line returned to service on 5/10/2025 at 15:30. Nrc #1430475 48-hour update #1430631
Detailed record list
Report Received Date
2025-06-05 00:00:00
Iyear
2025
Report Number
20250140
Supplemental Number
40995
Report Type
Original 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
Time Zone
Eastern
Daylight Savings Ind
Yes
Location Latitude
40.422698
Location Longitude
-79.235538
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid)
Unintentional Release Bbls
0.1
Intentional Release Bbls
7
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Status When Identified
Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind
Yes
Communication State Fed Ind
No
Nrc Rpt Num
1430475
Additional Nrc Report Numbers
1430631
Ignite Ind
No
Upstream Action Taken
Valve Closure
Upstream Valve Type Ind
Remotely Controlled
Downstream Action Taken
Valve Closure
Downstream Valve Type Ind
Remotely Controlled
Num Pub Evacuated
0
Pipe Fac Name
Greensburg To Sinking Springs
Segment Name
A3
Onshore State Abbreviation
Pa
Onshore Postal Code
15717
Onshore City Name
Blairsville
Onshore County Name
Indiana
Designated Location
Milepost
Designated Name
81.9
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Valve
Valve Type
Mainline
Valve Mainline Type
Gate
Valve Manufacturer
Unknown
Installation Year
Unknown
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Connection Failure
Wildlife Impact Ind
No
Soil Contamination
No
Long Term Assessment
No
Remediation Ind
No
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
Yes
Other Pop Ind
Yes
Other Pop Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
1
Est Cost Prop Damage
107908
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
107909
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
160
Mop Psig
1440
Mop Cfr Section
Subpart E Pressure Test �195.406(A)(3)
Maop Established Date
2003-08-19 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
57681
Internal Inspection Ind
Yes
Operation Complications Ind
No
Pipeline Function
> 20% Smys Regulated Transmission
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Cpm In Place Ind
Yes
Cpm Operating Ind
Yes
Cpm Functional Ind
Yes
Cpm Detection Ind
No
Cpm Conf Ind
No
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
Neither controller nor control room contributed to the accident.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Threaded Connection/coupling Failure
Eq Failure Type
Threaded Connection/coupling Failure
Other Stripped Ind
Other
Other Stripped Details
Valve Body Bleed Union Fitting
Eq Additional Other Ind
Yes
Eq Additional Other Details
None
Preparer Name
T****** G********
Preparer Title
Senior Staff Pipeline Compliance Engineer
Preparer Email
T**********@e****.com
Preparer Telephone
713-381-6433
Prepared Date
2025-06-05 00:00:00
Local Contact Name
T****** G********
Local Contact Email
T**********@e****.com
Local Contact Telephone
713-381-6433
Authorizer Name
T****** G********
Authorizer Telephone
713-381-6433
Authorizer Title
Senior Staff Pipeline Compliance Engineer
Authorizer Email
T**********@e****.com
Narrative
On 4/29/2025 at approximately 17:00 edt a third party notified enterprise that a tree had fallen on the bonnie brook mainline valve site. An enterprise technician went to the site to evaluate the damage, and no lel were detected at that time. Daily monitoring was performed after the initial report, however, no lel were detected until 5/6/2025 at 16:11 edt. The line was shut down at 18:04 as a safety precaution. On 5/7/2025 the determination was made that the incident was nrc reportable due to repair costs that would exceed $50,000. The valve was repaired and the line returned to service on 5/10/2025 at 15:30. Nrc #1430475 48-hour update #1430631
| Report Received Date | 2025-06-05 00:00:00 |
|---|---|
| Iyear | 2025 |
| Report Number | 20250140 |
| Supplemental Number | 40995 |
| Report Type | Original 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 |
| Time Zone | Eastern |
| Daylight Savings Ind | Yes |
| Location Latitude | 40.422698 Google Maps OpenStreetMap |
| Location Longitude | -79.235538 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Commodity Subtype | Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid) |
| Unintentional Release Bbls | 0.1 |
| Intentional Release Bbls | 7 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Status When Identified | Normal Operation, Includes Pauses Between Batches And During Maintenance |
| Shutdown Due Accident Ind | Yes |
| Communication State Fed Ind | No |
| Nrc Rpt Num | 1430475 NRC Report How to search |
| Additional Nrc Report Numbers | 1430631 |
| Ignite Ind | No |
| Upstream Action Taken | Valve Closure |
| Upstream Valve Type Ind | Remotely Controlled |
| Downstream Action Taken | Valve Closure |
| Downstream Valve Type Ind | Remotely Controlled |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Greensburg To Sinking Springs |
| Segment Name | A3 |
| Onshore State Abbreviation | Pa |
| Onshore Postal Code | 15717 |
| Onshore City Name | Blairsville |
| Onshore County Name | Indiana |
| Designated Location | Milepost |
| Designated Name | 81.9 |
| Federal | No |
| Location Type | Totally Contained On Operator-Controlled Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Valve |
| Valve Type | Mainline |
| Valve Mainline Type | Gate |
| Valve Manufacturer | Unknown |
| Installation Year | Unknown |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Connection Failure |
| Wildlife Impact Ind | No |
| Soil Contamination | No |
| Long Term Assessment | No |
| Remediation Ind | No |
| Water Contam Ind | No |
| Could Be Hca | Yes |
| Commodity Reached Hca | Yes |
| Other Pop Ind | Yes |
| Other Pop Yes No | Yes |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 1 |
| Est Cost Prop Damage | 107908 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 107909 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Accident Psig | 160 |
| Mop Psig | 1440 |
| Mop Cfr Section | Subpart E Pressure Test �195.406(A)(3) View CFR 49 §192 |
| Maop Established Date | 2003-08-19 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 57681 |
| Internal Inspection Ind | Yes |
| Operation Complications Ind | No |
| Pipeline Function | > 20% Smys Regulated Transmission |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | No |
| Scada Conf Ind | No |
| Cpm In Place Ind | Yes |
| Cpm Operating Ind | Yes |
| Cpm Functional Ind | Yes |
| Cpm Detection Ind | No |
| Cpm Conf Ind | No |
| 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 | Neither controller nor control room contributed to the accident. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Threaded Connection/coupling Failure |
| Eq Failure Type | Threaded Connection/coupling Failure |
| Other Stripped Ind | Other |
| Other Stripped Details | Valve Body Bleed Union Fitting |
| Eq Additional Other Ind | Yes |
| Eq Additional Other Details | None |
| Preparer Name | T****** G******** |
| Preparer Title | Senior Staff Pipeline Compliance Engineer |
| Preparer Email | T**********@e****.com |
| Preparer Telephone | 713-381-6433 |
| Prepared Date | 2025-06-05 00:00:00 |
| Local Contact Name | T****** G******** |
| Local Contact Email | T**********@e****.com |
| Local Contact Telephone | 713-381-6433 |
| Authorizer Name | T****** G******** |
| Authorizer Telephone | 713-381-6433 |
| Authorizer Title | Senior Staff Pipeline Compliance Engineer |
| Authorizer Email | T**********@e****.com |
| Narrative | On 4/29/2025 at approximately 17:00 edt a third party notified enterprise that a tree had fallen on the bonnie brook mainline valve site. An enterprise technician went to the site to evaluate the damage, and no lel were detected at that time. Daily monitoring was performed after the initial report, however, no lel were detected until 5/6/2025 at 16:11 edt. The line was shut down at 18:04 as a safety precaution. On 5/7/2025 the determination was made that the incident was nrc reportable due to repair costs that would exceed $50,000. The valve was repaired and the line returned to service on 5/10/2025 at 15:30. Nrc #1430475 48-hour update #1430631 |
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