HL incident on 2025-09-22 — TX

Operator
Targa Resources 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)
$150
Incident datetime
2025-09-22 05:15
Report number
Location
TX
Narrative
At approx 0515, two gas detectors located at targa's lcp-12" station alerted the control center of a release of propane. Station esd's closed to shut down the station. Technician arrived on site within 15 minutes and was able to locate source of release at a pressure gauge on a bypass line and shut product to the bypass line stopping product release. Segment of pipe was isolated, all other piping at the station was checked, new pressure gauge installed, and product was re-started.
Detailed record list
Report Received Date
2025-10-21 00:00:00
Iyear
2025
Report Number
20250244
Supplemental Number
41490
Report Type
Original
Operator Id
Name
Targa Resources Operating Llc
Operator Street Address
811 Louisiana St Suite 2100
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2025-09-22 05:15:00
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
Location Longitude
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
1.57
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Or Pack Calculations)
Incident Identified Datetime
2025-09-22 05:15:00
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
Shutdown Datetime
2025-09-22 05:30:00
Restart Datetime
2025-09-22 08:30:00
Communication State Fed Ind
No
On Site Datetime
2025-09-22 05:30:00
Confirmed Discovery Datetime
2025-09-22 05:30:00
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Upstream Action Taken
Valve Closure
Upstream Valve Close Datetime
2025-09-22 05:20:00
Upstream Valve Type Ind
Manual
Downstream Action Taken
Valve Closure
Downstream Vlv Close Datetime
2025-09-22 05:20:00
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Lcp-Lc 12" Station
Segment Name
Lcp-Sp2 (Line 71)
Onshore State Abbreviation
La
Onshore Postal Code
70605
Onshore City Name
Not Within A Municipality
Onshore County Name
Calcasieu
Designated Location
Survey Station No.
Designated Name
811+10
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
Intrastate
Item Involved
Other
Item Involved Details
Pressure Gauge
Installation Year
Unknown
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Tubing Inside Pressure Gauge Leaked
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
High Pop Ind
Yes
High Pop Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
25
Est Cost Prop Damage
150
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
175
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
450
Mop Psig
1440
Mop Cfr Section
Component Design Pressure �195.406(A)(2)
Maop Established Date
1987-04-15 00:00:00
Maop Reversal Flow Ind
Bi-Directional
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
2500
Internal Inspection Ind
Yes
Operation Complications Ind
No
Pipeline Function
> 20% Smys Regulated Transmission
Scada In Place Ind
No
Cpm In Place 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
Leak occurred in a pressure gauge not on scada
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Other Equipment Failure
Eq Failure Type
Other Equipment Failure
Failure Details
Failure At Bourdon Tube Weld Connection Inside The Pressure Gauge.
Eq Additional Other Ind
Yes
Eq Additional Other Details
Failure At Bourdon Tube Weld Connection Inside The Pressure Gauge.
Preparer Name
S** G*****
Preparer Title
Staff Specialist
Preparer Email
S******@t*************.com
Preparer Telephone
3377948247
Preparer Fax
3375834630
Prepared Date
2025-10-20 00:00:00
Local Contact Name
S** G*****
Local Contact Email
S******@t*************.com
Local Contact Telephone
3377948247
Authorizer Name
S** G*****
Authorizer Telephone
3377948247
Authorizer Title
Staff Specialist
Authorizer Email
S******@t*************.com
Narrative
At approx 0515, two gas detectors located at targa's lcp-12" station alerted the control center of a release of propane. Station esd's closed to shut down the station. Technician arrived on site within 15 minutes and was able to locate source of release at a pressure gauge on a bypass line and shut product to the bypass line stopping product release. Segment of pipe was isolated, all other piping at the station was checked, new pressure gauge installed, and product was re-started.
Report Received Date 2025-10-21 00:00:00
Iyear 2025
Report Number 20250244
Supplemental Number 41490
Report Type Original
Operator Id 32296 PHMSA Enforcement
Name Targa Resources Operating Llc
Operator Street Address 811 Louisiana St Suite 2100
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Local Datetime 2025-09-22 05:15:00
Time Zone Central
Daylight Savings Ind Yes
Location Latitude 30.183181 Google Maps OpenStreetMap
Location Longitude -93.34527 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 1.57
Intentional Release Bbls 0
Recovered Bbls 0
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Scada-Based Information (Such As Alarm(S), Alert(S), Event(S), And/or Volume Or Pack Calculations)
Incident Identified Datetime 2025-09-22 05:15:00
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
Shutdown Datetime 2025-09-22 05:30:00
Restart Datetime 2025-09-22 08:30:00
Communication State Fed Ind No
On Site Datetime 2025-09-22 05:30:00
Confirmed Discovery Datetime 2025-09-22 05:30:00
Nrc Rpt Num Nrc Notification Not Required NRC Report How to search
Ignite Ind No
Upstream Action Taken Valve Closure
Upstream Valve Close Datetime 2025-09-22 05:20:00
Upstream Valve Type Ind Manual
Downstream Action Taken Valve Closure
Downstream Vlv Close Datetime 2025-09-22 05:20:00
Downstream Valve Type Ind Manual
Num Pub Evacuated 0
Pipe Fac Name Lcp-Lc 12" Station
Segment Name Lcp-Sp2 (Line 71)
Onshore State Abbreviation La
Onshore Postal Code 70605
Onshore City Name Not Within A Municipality
Onshore County Name Calcasieu
Designated Location Survey Station No.
Designated Name 811+10
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 Intrastate
Item Involved Other
Item Involved Details Pressure Gauge
Installation Year Unknown
Manufactured Year Unknown
Material Involved Carbon Steel
Release Type Other
Release Type Details Tubing Inside Pressure Gauge Leaked
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
High Pop Ind Yes
High Pop Yes No Yes
Est Cost Oper Paid 0
Est Cost Gas Released 25
Est Cost Prop Damage 150
Est Cost Emergency 0
Est Cost Environmental 0
Est Cost Other 0
Prpty 175
Num Persons Hosp Not Ovnght 0
Num Injured Treated By Emt 0
Num Resident Building Affctd 0
Num Business Building Affctd 0
Accident Psig 450
Mop Psig 1440
Mop Cfr Section Component Design Pressure �195.406(A)(2) View CFR 49 §192
Maop Established Date 1987-04-15 00:00:00
Maop Reversal Flow Ind Bi-Directional
Accident Pressure Pressure Did Not Exceed Mop
Pressure Restriction Ind No
Length Segment Isolated 2500
Internal Inspection Ind Yes
Operation Complications Ind No
Pipeline Function > 20% Smys Regulated Transmission
Scada In Place Ind No
Cpm In Place 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 Leak occurred in a pressure gauge not on scada
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Equipment Failure
Cause Details Other Equipment Failure
Eq Failure Type Other Equipment Failure
Failure Details Failure At Bourdon Tube Weld Connection Inside The Pressure Gauge.
Eq Additional Other Ind Yes
Eq Additional Other Details Failure At Bourdon Tube Weld Connection Inside The Pressure Gauge.
Preparer Name S** G*****
Preparer Title Staff Specialist
Preparer Email S******@t*************.com
Preparer Telephone 3377948247
Preparer Fax 3375834630
Prepared Date 2025-10-20 00:00:00
Local Contact Name S** G*****
Local Contact Email S******@t*************.com
Local Contact Telephone 3377948247
Authorizer Name S** G*****
Authorizer Telephone 3377948247
Authorizer Title Staff Specialist
Authorizer Email S******@t*************.com
Narrative At approx 0515, two gas detectors located at targa's lcp-12" station alerted the control center of a release of propane. Station esd's closed to shut down the station. Technician arrived on site within 15 minutes and was able to locate source of release at a pressure gauge on a bypass line and shut product to the bypass line stopping product release. Segment of pipe was isolated, all other piping at the station was checked, new pressure gauge installed, and product was re-started.

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