Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2025-08-14 — OK
Operator
Magellan Pipeline Company, Lp
Cause
Other Accident Cause
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)
$83,947
Incident datetime
2025-08-14 10:00
Report number
Location
OK
Narrative
On 8/14/25 at 10 am a contractor with heartland midwest was installing a new fiber conduit for att crossing magellan pipelines. While working the encroachment the oneok operator could smell an odor while excavation took place for the new fiber. Upon further investigation through probing and air monitoring the operator confirmed product contamination in the soil. The operator notified his supervisor of the situation. Once notification was made, the supervisor initiated a shutdown of the pipeline and dispatched additional operators to the area to help with the investigation. A review of ili data for the pipelines in the area identified an anomaly under the road on the #5-12in kansas city barnsdall line segment. Once the road was cut and area excavated it was confirmed a linear indication in the long- seam weld was the source of the leak. This anomaly was initially repaired with a 4� type b sleeve. Work then began the next day to replace the existing joint with new pipe. All work was completed, and the pipeline was returned to service on sunday 8/17/25. The removed pipe segment was sent for metallurgical analysis. A supplemental report will be filed following the results of the analysis.
Detailed record list
Report Received Date
2025-09-12 00:00:00
Iyear
2025
Report Number
20250221
Supplemental Number
41371
Report Type
Original
Operator Id
22610
Name
Magellan Pipeline Company, Lp
Operator Street Address
100 West 5th Street
Operator City Name
Tulsa
Operator State Abbreviation
OK
Operator Postal Code
74103
Local Datetime
2025-08-14 10:00:00
Time Zone
Central
Daylight Savings Ind
No
Location Latitude
38.93287424
Location Longitude
-94.74436273
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
25
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2025-08-14 10:00:00
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
2025-08-14 10:39:00
Restart Datetime
2025-08-17 11:50:00
Communication State Fed Ind
No
On Site Datetime
2025-08-14 10:00:00
Confirmed Discovery Datetime
2025-08-14 21:51:00
Nrc Rpt Datetime
2025-08-14 21:06:00
Nrc Rpt Num
1439899
Additional Nrc Report Numbers
1440022
Ignite Ind
No
Upstream Action Taken
Valve Closure
Upstream Valve Close Datetime
2025-08-14 18:43:00
Upstream Valve Type Ind
Manual
Downstream Action Taken
Valve Closure
Downstream Vlv Close Datetime
2025-08-14 18:43:00
Downstream Valve Type Ind
Remotely Controlled
Notify Qualified Indiv Ind
Yes
Qualified Indiv Notif Datetime
2025-08-14 10:00:00
Oil Spill Removal Org Ind
Yes
Osro Activated Datetime
2025-08-14 11:24:00
Osro Arrived On Site Dt
8/14/2025 12:00
Num Pub Evacuated
0
Pipe Fac Name
Barnsdall- Kansas City 5-12
Segment Name
Line Id 6030
Onshore State Abbreviation
Ks
Onshore Postal Code
66215
Onshore City Name
Lenexa
Onshore County Name
Johnson
Designated Location
Milepost
Designated Name
182
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
40
Crossing
Yes
Road Crossing Ind
Yes
Road Type
Uncased
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Seam
Pipe Diameter
12.75
Pipe Wall Thickness
0.25
Pipe Smys
42000
Pipe Specification
Coal Tar
Pipe Seam Type
Erw - Low Frequency
Pipe Manufacturer
Kaiser Steel
Pipe Coating Type
Coal Tar
Coating Applied Ind
Yes
Installation Year
1950
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Other
Leak Type Other
Pending Metallurgical Analysis
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
Yes
Remediation Ind
Yes
Soil Remed Ind
Yes
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
25655
Est Cost Gas Released
3927
Est Cost Prop Damage
83947
Est Cost Emergency
40000
Est Cost Environmental
129100
Est Cost Other
10000
Est Cost Other Details
Release Response Reports To Kdhe
Prpty
292629
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
220
Mop Psig
1186
Mop Cfr Section
Internal Design Pressure �195.406(A)(1)
Maop Established Date
2023-03-20 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
61248
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
No controllers actions had taken place prior to the release
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Other Accident Cause
Cause Details
Unknown
Other Type
Unknown
Unknown Subtype
Still Under Investigation, Cause Of Accident To Be Determined* (*supplemental Report Required)
Preparer Name
G*** C*********
Preparer Title
Regulatory Compliance Specialist Ii
Preparer Email
G**************@o****.com
Preparer Telephone
9183818066
Prepared Date
2025-09-12 00:00:00
Authorizer Name
R*** M****
Authorizer Telephone
9183818066
Authorizer Title
Regulatory Compliance Manager
Authorizer Email
G**************@o****.com
Narrative
On 8/14/25 at 10 am a contractor with heartland midwest was installing a new fiber conduit for att crossing magellan pipelines. While working the encroachment the oneok operator could smell an odor while excavation took place for the new fiber. Upon further investigation through probing and air monitoring the operator confirmed product contamination in the soil. The operator notified his supervisor of the situation. Once notification was made, the supervisor initiated a shutdown of the pipeline and dispatched additional operators to the area to help with the investigation. A review of ili data for the pipelines in the area identified an anomaly under the road on the #5-12in kansas city barnsdall line segment. Once the road was cut and area excavated it was confirmed a linear indication in the long- seam weld was the source of the leak. This anomaly was initially repaired with a 4� type b sleeve. Work then began the next day to replace the existing joint with new pipe. All work was completed, and the pipeline was returned to service on sunday 8/17/25. The removed pipe segment was sent for metallurgical analysis. A supplemental report will be filed following the results of the analysis.
| Report Received Date | 2025-09-12 00:00:00 |
|---|---|
| Iyear | 2025 |
| Report Number | 20250221 |
| Supplemental Number | 41371 |
| Report Type | Original |
| Operator Id | 22610 PHMSA Enforcement |
| Name | Magellan Pipeline Company, Lp |
| Operator Street Address | 100 West 5th Street |
| Operator City Name | Tulsa |
| Operator State Abbreviation | OK |
| Operator Postal Code | 74103 |
| Local Datetime | 2025-08-14 10:00:00 |
| Time Zone | Central |
| Daylight Savings Ind | No |
| Location Latitude | 38.93287424 Google Maps OpenStreetMap |
| Location Longitude | -94.74436273 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 | 25 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2025-08-14 10:00:00 |
| 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 | 2025-08-14 10:39:00 |
| Restart Datetime | 2025-08-17 11:50:00 |
| Communication State Fed Ind | No |
| On Site Datetime | 2025-08-14 10:00:00 |
| Confirmed Discovery Datetime | 2025-08-14 21:51:00 |
| Nrc Rpt Datetime | 2025-08-14 21:06:00 |
| Nrc Rpt Num | 1439899 NRC Report How to search |
| Additional Nrc Report Numbers | 1440022 |
| Ignite Ind | No |
| Upstream Action Taken | Valve Closure |
| Upstream Valve Close Datetime | 2025-08-14 18:43:00 |
| Upstream Valve Type Ind | Manual |
| Downstream Action Taken | Valve Closure |
| Downstream Vlv Close Datetime | 2025-08-14 18:43:00 |
| Downstream Valve Type Ind | Remotely Controlled |
| Notify Qualified Indiv Ind | Yes |
| Qualified Indiv Notif Datetime | 2025-08-14 10:00:00 |
| Oil Spill Removal Org Ind | Yes |
| Osro Activated Datetime | 2025-08-14 11:24:00 |
| Osro Arrived On Site Dt | 8/14/2025 12:00 |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Barnsdall- Kansas City 5-12 |
| Segment Name | Line Id 6030 |
| Onshore State Abbreviation | Ks |
| Onshore Postal Code | 66215 |
| Onshore City Name | Lenexa |
| Onshore County Name | Johnson |
| Designated Location | Milepost |
| Designated Name | 182 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 40 |
| Crossing | Yes |
| Road Crossing Ind | Yes |
| Road Type | Uncased |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Seam |
| Pipe Diameter | 12.75 |
| Pipe Wall Thickness | 0.25 |
| Pipe Smys | 42000 |
| Pipe Specification | Coal Tar |
| Pipe Seam Type | Erw - Low Frequency |
| Pipe Manufacturer | Kaiser Steel |
| Pipe Coating Type | Coal Tar |
| Coating Applied Ind | Yes |
| Installation Year | 1950 |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | Pending Metallurgical Analysis |
| Wildlife Impact Ind | No |
| Soil Contamination | Yes |
| Long Term Assessment | Yes |
| Remediation Ind | Yes |
| Soil Remed Ind | Yes |
| 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 | 25655 |
| Est Cost Gas Released | 3927 |
| Est Cost Prop Damage | 83947 |
| Est Cost Emergency | 40000 |
| Est Cost Environmental | 129100 |
| Est Cost Other | 10000 |
| Est Cost Other Details | Release Response Reports To Kdhe |
| Prpty | 292629 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Accident Psig | 220 |
| Mop Psig | 1186 |
| Mop Cfr Section | Internal Design Pressure �195.406(A)(1) View CFR 49 §192 |
| Maop Established Date | 2023-03-20 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 61248 |
| 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 | No controllers actions had taken place prior to the release |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Other Accident Cause |
| Cause Details | Unknown |
| Other Type | Unknown |
| Unknown Subtype | Still Under Investigation, Cause Of Accident To Be Determined* (*supplemental Report Required) |
| Preparer Name | G*** C********* |
| Preparer Title | Regulatory Compliance Specialist Ii |
| Preparer Email | G**************@o****.com |
| Preparer Telephone | 9183818066 |
| Prepared Date | 2025-09-12 00:00:00 |
| Authorizer Name | R*** M**** |
| Authorizer Telephone | 9183818066 |
| Authorizer Title | Regulatory Compliance Manager |
| Authorizer Email | G**************@o****.com |
| Narrative | On 8/14/25 at 10 am a contractor with heartland midwest was installing a new fiber conduit for att crossing magellan pipelines. While working the encroachment the oneok operator could smell an odor while excavation took place for the new fiber. Upon further investigation through probing and air monitoring the operator confirmed product contamination in the soil. The operator notified his supervisor of the situation. Once notification was made, the supervisor initiated a shutdown of the pipeline and dispatched additional operators to the area to help with the investigation. A review of ili data for the pipelines in the area identified an anomaly under the road on the #5-12in kansas city barnsdall line segment. Once the road was cut and area excavated it was confirmed a linear indication in the long- seam weld was the source of the leak. This anomaly was initially repaired with a 4� type b sleeve. Work then began the next day to replace the existing joint with new pipe. All work was completed, and the pipeline was returned to service on sunday 8/17/25. The removed pipe segment was sent for metallurgical analysis. A supplemental report will be filed following the results of the analysis. |
External Resources
PHMSA pipeline safety insights.
Product
Features
Company
All rights reserved. Copyright © by ClearPHMSA