GTG incident on 2025-05-08 — TX

Operator
Anr Pipeline Co
Cause
Notification Issue
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$292,000
Incident datetime
2025-05-08 00:00 UTC
Report number
Location
TX
Narrative
On april 9, 2025, at 15:10 est, anr pipeline's gas control received a scada alarm on anr lateral 421 near fennville, michigan and a notification was received from the public that a piece of equipment had impacted the pipeline. Upon arrival at the site, the technician confirmed the gas release was caused by a third-party contractor's equipment. Immediate actions were taken to isolate the pipeline by closing the upstream and downstream valves. No injuries, hospitalizations, or ignition occurred. Over 5500 homes and 200 businesses were impacted due to third-party damage in which no one call ticket had been submitted by the excavator. Gas was restored on anr lateral 421 and returned to service april 11th, at 17:14 est.
Detailed record list
Report Received Date
2025-05-08 00:00:00
Iyear
2025
Report Number
20250048
Supplemental Number
40858
Report Type
Original Final
Operator Id
405
PHMSA Enforcement
Name
Anr Pipeline Co
Operator Street Address
700 Louisiana Street Suite 700
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Time Zone
Eastern
Daylight Savings Ind
No
Location Latitude
42.57654
Google Maps OpenStreetMap
Location Longitude
-86.09444
Google Maps OpenStreetMap
Nrc Rpt Num
1428160
NRC Report How to search
Additional Nrc Report Numbers
1428320
Commodity Released Type
Natural Gas
Unintentional Release
14194
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
Communication State Fed Ind
Yes
Party Initiated Communication
Operator
Ignite Ind
No
Upstream Action Taken
Valve Closure
Downstream Action Taken
Valve Closure
Num Pub Evacuated
0
On Off Shore
Onshore
Onshore State Abbreviation
Mi
Onshore Postal Code
49323
Onshore City Name
Fennville
Onshore County Name
Allegan
Designated Location
Milepost
Designated Name
Mp 3 Anr 421
Pipe Fac Name
Anr Lateral 421 Fennville
Segment Name
84210
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
60
Other Underground Facilities
No
Crossing
No
Pipe Facility Type
Interstate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
4
Puddle Weld Ind
No
Pipe Wall Thickness
0.237
Pipe Smys
35000
Pipe Specification
Grade B
Pipe Seam Type
Longitudinal Erw - Unknown Frequency
Pipe Manufacturer
Newport Steel
Pipe Coating Type
Other
Pipe Coating Details
Wax
Coating Applied Ind
Yes
Installation Year
1960
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Other
Release Type Details
Line Strike From A Third-Party Excavator Causing Damage To The Pipeline.
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
91
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
50531
Est Cost Intentional Release
0
Est Cost Prop Damage
292000
Est Cost Emergency
0
Est Cost Other
0
Gas Cost In Mcf
3.56
Prpty
342531
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
5000
Num Business Building Affctd
200
Wildlife Impact Ind
No
Accident Psig
668
Gas Flow In Pipe In Mcf
2100
Mop Psig
850
Mop Cfr Section
192.619(A)(1)
View CFR 49 §192
Maop Established Date
1960-11-22 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
27150
Internal Inspection Ind
No
Other Inspection Ind
Yes
Internal Inspection Details
Unpiggable Pipeline Cannot Be Inspected Using Conventional Or Specialized Ili Tools.
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
Due to third party damage
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Excavation Damage
Cause Details
Excavation Damage By Third Party
Ex Party Type
Excavation Damage By Third Party
Prior Notification Ind
No
State Law Exempt Ind
Unknown
Notify Cga Dirt
No
Pipeline Easement Row Ind
Yes
Joint Trench Ind
No
Cross Bore Ind
No
Depth Of Grade
> 36�
Excavator Type
Contractor
Excavator Equipment
Trencher
Work Performed
Unknown/other
One Call Notified Ind
No
Locator Type
Unknown/other
Visible Marks
No
Service Interruption
Yes
Service Interruption Hours
48
Root Cause Category
Notification Issue
Root Cause Type
No Notification Made To The One-Call Center/811
Excvtn Dmg Third Party Ind
Yes
Preparer Name
J*** R*********
Preparer Title
Dot Field Compliance Specialist
Preparer Email
J**************@t*******.com
Preparer Telephone
3125206089
Local Contact Name
S******** F*****
Local Contact Email
S***************@t*******.com
Local Contact Telephone
3045505162
Authorizer Name
S******** F*****
Authorizer Title
Manager Dot Pipeline Compliance West
Authorizer Telephone
3045505162
Authorizer Email
S***************@t*******.com
Narrative
On april 9, 2025, at 15:10 est, anr pipeline's gas control received a scada alarm on anr lateral 421 near fennville, michigan and a notification was received from the public that a piece of equipment had impacted the pipeline. Upon arrival at the site, the technician confirmed the gas release was caused by a third-party contractor's equipment. Immediate actions were taken to isolate the pipeline by closing the upstream and downstream valves. No injuries, hospitalizations, or ignition occurred. Over 5500 homes and 200 businesses were impacted due to third-party damage in which no one call ticket had been submitted by the excavator. Gas was restored on anr lateral 421 and returned to service april 11th, at 17:14 est.
Report Received Date 2025-05-08 00:00:00
Iyear 2025
Report Number 20250048
Supplemental Number 40858
Report Type Original Final
Operator Id 405 PHMSA Enforcement
Name Anr Pipeline Co
Operator Street Address 700 Louisiana Street Suite 700
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Time Zone Eastern
Daylight Savings Ind No
Location Latitude 42.57654 Google Maps OpenStreetMap
Location Longitude -86.09444 Google Maps OpenStreetMap
Nrc Rpt Num 1428160 NRC Report How to search
Additional Nrc Report Numbers 1428320
Commodity Released Type Natural Gas
Unintentional Release 14194
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
Communication State Fed Ind Yes
Party Initiated Communication Operator
Ignite Ind No
Upstream Action Taken Valve Closure
Downstream Action Taken Valve Closure
Num Pub Evacuated 0
On Off Shore Onshore
Onshore State Abbreviation Mi
Onshore Postal Code 49323
Onshore City Name Fennville
Onshore County Name Allegan
Designated Location Milepost
Designated Name Mp 3 Anr 421
Pipe Fac Name Anr Lateral 421 Fennville
Segment Name 84210
Federal No
Location Type Pipeline Right-Of-Way
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 60
Other Underground Facilities No
Crossing No
Pipe Facility Type Interstate
System Part Involved Onshore Pipeline, Including Valve Sites
Item Involved Pipe
Pipe Type Pipe Body
Pipe Diameter 4
Puddle Weld Ind No
Pipe Wall Thickness 0.237
Pipe Smys 35000
Pipe Specification Grade B
Pipe Seam Type Longitudinal Erw - Unknown Frequency
Pipe Manufacturer Newport Steel
Pipe Coating Type Other
Pipe Coating Details Wax
Coating Applied Ind Yes
Installation Year 1960
Manufactured Year Unknown
Material Involved Carbon Steel
Release Type Other
Release Type Details Line Strike From A Third-Party Excavator Causing Damage To The Pipeline.
Class Location Type Class 1 Location
Could Be Hca No
Pir Radius 91
Heat Damage Ind No
Non Heat Damage Ind No
Did Occur In Mca Ind No
Est Cost Oper Paid 0
Est Cost Unintentional Release 50531
Est Cost Intentional Release 0
Est Cost Prop Damage 292000
Est Cost Emergency 0
Est Cost Other 0
Gas Cost In Mcf 3.56
Prpty 342531
Num Persons Hosp Not Ovnght 0
Num Injured Treated By Emt 0
Num Resident Building Affctd 5000
Num Business Building Affctd 200
Wildlife Impact Ind No
Accident Psig 668
Gas Flow In Pipe In Mcf 2100
Mop Psig 850
Mop Cfr Section 192.619(A)(1) View CFR 49 §192
Maop Established Date 1960-11-22 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 27150
Internal Inspection Ind No
Other Inspection Ind Yes
Internal Inspection Details Unpiggable Pipeline Cannot Be Inspected Using Conventional Or Specialized Ili Tools.
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 Due to third party damage
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Excavation Damage
Cause Details Excavation Damage By Third Party
Ex Party Type Excavation Damage By Third Party
Prior Notification Ind No
State Law Exempt Ind Unknown
Notify Cga Dirt No
Pipeline Easement Row Ind Yes
Joint Trench Ind No
Cross Bore Ind No
Depth Of Grade > 36�
Excavator Type Contractor
Excavator Equipment Trencher
Work Performed Unknown/other
One Call Notified Ind No
Locator Type Unknown/other
Visible Marks No
Service Interruption Yes
Service Interruption Hours 48
Root Cause Category Notification Issue
Root Cause Type No Notification Made To The One-Call Center/811
Excvtn Dmg Third Party Ind Yes
Preparer Name J*** R*********
Preparer Title Dot Field Compliance Specialist
Preparer Email J**************@t*******.com
Preparer Telephone 3125206089
Local Contact Name S******** F*****
Local Contact Email S***************@t*******.com
Local Contact Telephone 3045505162
Authorizer Name S******** F*****
Authorizer Title Manager Dot Pipeline Compliance West
Authorizer Telephone 3045505162
Authorizer Email S***************@t*******.com
Narrative On april 9, 2025, at 15:10 est, anr pipeline's gas control received a scada alarm on anr lateral 421 near fennville, michigan and a notification was received from the public that a piece of equipment had impacted the pipeline. Upon arrival at the site, the technician confirmed the gas release was caused by a third-party contractor's equipment. Immediate actions were taken to isolate the pipeline by closing the upstream and downstream valves. No injuries, hospitalizations, or ignition occurred. Over 5500 homes and 200 businesses were impacted due to third-party damage in which no one call ticket had been submitted by the excavator. Gas was restored on anr lateral 421 and returned to service april 11th, at 17:14 est.
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