Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2025-09-27 — IL
Operator
Amoco Oil Co
Cause
Corrosion Failure
Commodity
Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$850,000
Incident datetime
2025-09-27 09:00
Report number
Location
IL
Narrative
43. At approximately 0715 on september 27 the tulsa control center received a call from the hammond fire department regarding hydrocarbon odors and liquid discharge from a pipeline vent in a residential area of hammond, in. The pipeline was shut down and a technician mobilized to the location. Approximately 10 gallons of hydrocarbon (line in gasoline service at the time of release) was discharged to the ground from two vent pipes on the north and south sides of 171st street. An emergency response was initiated and an imt stood up. Another 75 gallons of hydrocarbon was recovered from the pipeline casing by a vac truck via the north vent pipe. An investigation to determine the cause of the release is to take place.
Detailed record list
Report Received Date
2025-10-24 00:00:00
Iyear
2025
Report Number
20250246
Supplemental Number
41556
Report Type
Supplemental
Operator Id
Name
Amoco Oil Co
Operator Street Address
30 S. Wacker Drive
Operator City Name
Chicago
Operator State Abbreviation
IL
Operator Postal Code
60606
Local Datetime
2025-09-27 09:00:00
Time Zone
Central
Daylight Savings Ind
No
Location Latitude
41.584775
Location Longitude
-87.471465
Commodity Released Type
Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Commodity Subtype
Mixture Of Refined Products (Transmix Or Other Mixture)
Unintentional Release Bbls
2.2
Recovered Bbls
2.2
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Notification From Emergency Responder
Incident Identified Datetime
2025-09-27 09:00:00
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
2025-09-27 07:22:00
Restart Datetime
2025-10-03 18:50:00
On Site Datetime
2025-09-27 07:20:00
Confirmed Discovery Datetime
2025-09-27 09:00:00
Nrc Rpt Datetime
2025-09-27 11:08:00
Nrc Rpt Num
1443950
Additional Nrc Report Numbers
1444124
Ignite Ind
No
Upstream Action Taken
Operational Control
Upstream Oprtnl Cntrl Detail
Started Normal Shutdown Process Due To An Odor Complaint Called Into Ttc.
Downstream Action Taken
Valve Closure
Downstream Vlv Close Datetime
2025-09-27 07:22:00
Downstream Valve Type Ind
Automatic
Notify Qualified Indiv Ind
Yes
Qualified Indiv Notif Datetime
2025-09-27 07:34:00
Oil Spill Removal Org Ind
Yes
Osro Activated Datetime
2025-09-27 08:34:00
Osro Arrived On Site Dt
9/27/2025 10:33
Num Pub Evacuated
0
Pipe Fac Name
Whiting-Indianapolis
Segment Name
Whiting - Lafayette
Onshore State Abbreviation
In
Onshore Postal Code
46322
Onshore City Name
Hammond
Onshore County Name
Lake
Designated Location
Milepost
Designated Name
6.54
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
32
Crossing
Yes
Road Crossing Ind
Yes
Road Type
Cased
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Body
Puddle Weld Ind
No
Pipe Diameter
8.625
Pipe Wall Thickness
0.321
Pipe Smys
35000
Pipe Specification
Unknown
Pipe Seam Type
Seamless
Pipe Manufacturer
Unknown
Pipe Coating Type
Coal Tar
Coating Applied Ind
Unknown
Installation Year
1941
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
Yes
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
50000
Est Cost Gas Released
500
Est Cost Prop Damage
850000
Est Cost Emergency
680000
Est Cost Environmental
55000
Est Cost Other
0
Prpty
1635500
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
680
Mop Psig
1390
Mop Cfr Section
Component Design Pressure �195.406(A)(2)
Maop Established Date
2024-12-09 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
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
Yes, specify investigation result(s): (select all that apply)
Invest No Control Room Ind
Yes
Invest No Controller Ind
Yes
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
External Corrosion
Internal External
External Corrosion
Visual Exam Results
Localized Pitting
Atmosphere Corrosion Ind
Yes
Field Exam Basis Ind
Yes
Underground Location
No
Externally Coated
Yes
Prior Damage
Yes
Collected Data Ind
Yes
Cir Trn Wave Mgn Flx Lkg Ind
Yes
Geometry Deformation Ind
Yes
Circ Wave Recent Year
2025
Circ Wv Rcnt Propul Method
Free Swimming
Circ Wv Rcnt Resolution
High Resolution
Circ Wv Previous Year
2021
Circ Wv Prev Propul Method
Free Swimming
Circ Wv Prev Resolution
High Resolution
Geometry Recent Year
2025
Geometry Rcnt Propul Method
Free Swimming
Geometry Rcnt Resolution
High Resolution
Geometrt Rcnt Measur Cups
Inside Ili Cups
Geometry Previous Year
2021
Geometry Prev Propul Method
Free Swimming
Geometry Prev Resolution
High Resolution
Geometrt Prev Measur Cups
Inside Ili Cups
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
S**** F*********
Preparer Email
F*****@b*.com
Preparer Telephone
2812173703
Prepared Date
2025-11-06 00:00:00
Local Contact Name
D**** M******
Local Contact Email
D************@b*.com
Local Contact Telephone
219 276-9093
Authorizer Name
J** B****
Authorizer Telephone
872 245-2317
Authorizer Title
Dot Team Leader
Authorizer Email
J********@b*.com
Narrative
43. At approximately 0715 on september 27 the tulsa control center received a call from the hammond fire department regarding hydrocarbon odors and liquid discharge from a pipeline vent in a residential area of hammond, in. The pipeline was shut down and a technician mobilized to the location. Approximately 10 gallons of hydrocarbon (line in gasoline service at the time of release) was discharged to the ground from two vent pipes on the north and south sides of 171st street. An emergency response was initiated and an imt stood up. Another 75 gallons of hydrocarbon was recovered from the pipeline casing by a vac truck via the north vent pipe. An investigation to determine the cause of the release is to take place.
| Report Received Date | 2025-10-24 00:00:00 |
|---|---|
| Iyear | 2025 |
| Report Number | 20250246 |
| Supplemental Number | 41556 |
| Report Type | Supplemental |
| Operator Id | 395 PHMSA Enforcement |
| Name | Amoco Oil Co |
| Operator Street Address | 30 S. Wacker Drive |
| Operator City Name | Chicago |
| Operator State Abbreviation | IL |
| Operator Postal Code | 60606 |
| Local Datetime | 2025-09-27 09:00:00 |
| Time Zone | Central |
| Daylight Savings Ind | No |
| Location Latitude | 41.584775 Google Maps OpenStreetMap |
| Location Longitude | -87.471465 Google Maps OpenStreetMap |
| Commodity Released Type | Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions |
| Commodity Subtype | Mixture Of Refined Products (Transmix Or Other Mixture) |
| Unintentional Release Bbls | 2.2 |
| Recovered Bbls | 2.2 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Notification From Emergency Responder |
| Incident Identified Datetime | 2025-09-27 09:00:00 |
| 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 | 2025-09-27 07:22:00 |
| Restart Datetime | 2025-10-03 18:50:00 |
| On Site Datetime | 2025-09-27 07:20:00 |
| Confirmed Discovery Datetime | 2025-09-27 09:00:00 |
| Nrc Rpt Datetime | 2025-09-27 11:08:00 |
| Nrc Rpt Num | 1443950 NRC Report How to search |
| Additional Nrc Report Numbers | 1444124 |
| Ignite Ind | No |
| Upstream Action Taken | Operational Control |
| Upstream Oprtnl Cntrl Detail | Started Normal Shutdown Process Due To An Odor Complaint Called Into Ttc. |
| Downstream Action Taken | Valve Closure |
| Downstream Vlv Close Datetime | 2025-09-27 07:22:00 |
| Downstream Valve Type Ind | Automatic |
| Notify Qualified Indiv Ind | Yes |
| Qualified Indiv Notif Datetime | 2025-09-27 07:34:00 |
| Oil Spill Removal Org Ind | Yes |
| Osro Activated Datetime | 2025-09-27 08:34:00 |
| Osro Arrived On Site Dt | 9/27/2025 10:33 |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Whiting-Indianapolis |
| Segment Name | Whiting - Lafayette |
| Onshore State Abbreviation | In |
| Onshore Postal Code | 46322 |
| Onshore City Name | Hammond |
| Onshore County Name | Lake |
| Designated Location | Milepost |
| Designated Name | 6.54 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Pavement |
| Depth Of Cover | 32 |
| Crossing | Yes |
| Road Crossing Ind | Yes |
| Road Type | Cased |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Puddle Weld Ind | No |
| Pipe Diameter | 8.625 |
| Pipe Wall Thickness | 0.321 |
| Pipe Smys | 35000 |
| Pipe Specification | Unknown |
| Pipe Seam Type | Seamless |
| Pipe Manufacturer | Unknown |
| Pipe Coating Type | Coal Tar |
| Coating Applied Ind | Unknown |
| Installation Year | 1941 |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Pinhole |
| Wildlife Impact Ind | No |
| Soil Contamination | Yes |
| 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 | 50000 |
| Est Cost Gas Released | 500 |
| Est Cost Prop Damage | 850000 |
| Est Cost Emergency | 680000 |
| Est Cost Environmental | 55000 |
| Est Cost Other | 0 |
| Prpty | 1635500 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Accident Psig | 680 |
| Mop Psig | 1390 |
| Mop Cfr Section | Component Design Pressure �195.406(A)(2) View CFR 49 §192 |
| Maop Established Date | 2024-12-09 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| 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 | Yes, specify investigation result(s): (select all that apply) |
| Invest No Control Room Ind | Yes |
| Invest No Controller Ind | Yes |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Corrosion Failure |
| Cause Details | External Corrosion |
| Internal External | External Corrosion |
| Visual Exam Results | Localized Pitting |
| Atmosphere Corrosion Ind | Yes |
| Field Exam Basis Ind | Yes |
| Underground Location | No |
| Externally Coated | Yes |
| Prior Damage | Yes |
| Collected Data Ind | Yes |
| Cir Trn Wave Mgn Flx Lkg Ind | Yes |
| Geometry Deformation Ind | Yes |
| Circ Wave Recent Year | 2025 |
| Circ Wv Rcnt Propul Method | Free Swimming |
| Circ Wv Rcnt Resolution | High Resolution |
| Circ Wv Previous Year | 2021 |
| Circ Wv Prev Propul Method | Free Swimming |
| Circ Wv Prev Resolution | High Resolution |
| Geometry Recent Year | 2025 |
| Geometry Rcnt Propul Method | Free Swimming |
| Geometry Rcnt Resolution | High Resolution |
| Geometrt Rcnt Measur Cups | Inside Ili Cups |
| Geometry Previous Year | 2021 |
| Geometry Prev Propul Method | Free Swimming |
| Geometry Prev Resolution | High Resolution |
| Geometrt Prev Measur Cups | Inside Ili Cups |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | S**** F********* |
| Preparer Email | F*****@b*.com |
| Preparer Telephone | 2812173703 |
| Prepared Date | 2025-11-06 00:00:00 |
| Local Contact Name | D**** M****** |
| Local Contact Email | D************@b*.com |
| Local Contact Telephone | 219 276-9093 |
| Authorizer Name | J** B**** |
| Authorizer Telephone | 872 245-2317 |
| Authorizer Title | Dot Team Leader |
| Authorizer Email | J********@b*.com |
| Narrative | 43. At approximately 0715 on september 27 the tulsa control center received a call from the hammond fire department regarding hydrocarbon odors and liquid discharge from a pipeline vent in a residential area of hammond, in. The pipeline was shut down and a technician mobilized to the location. Approximately 10 gallons of hydrocarbon (line in gasoline service at the time of release) was discharged to the ground from two vent pipes on the north and south sides of 171st street. An emergency response was initiated and an imt stood up. Another 75 gallons of hydrocarbon was recovered from the pipeline casing by a vac truck via the north vent pipe. An investigation to determine the cause of the release is to take place. |
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