Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2025-05-09 — GA
Operator
Colonial Pipeline 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)
$191,689
Incident datetime
2025-05-09 00:00 UTC
Report number
Location
GA
Narrative
On april 14, 2025, a colonial employee detected a product release from the ring wall of tank 812 at the greensboro junction facility. In response, local operations transferred the remaining product to other tanks within the facility. The affected tank was subsequently removed from service, and a work plan was initiated to facilitate cleaning the tank in preparation for entry and investigation into the cause of the release. Update: the source of the leak has been located in a bottom plate and appears to be corrosion related.
Detailed record list
Report Received Date
2025-05-09 00:00:00
Iyear
2025
Report Number
20250117
Supplemental Number
41223
Report Type
Supplemental Final
Operator Id
2552
Name
Colonial Pipeline Co
Operator Street Address
1000 Lake St.
Operator City Name
Alpharetta
Operator State Abbreviation
GA
Operator Postal Code
30009
Time Zone
Eastern
Daylight Savings Ind
No
Location Latitude
36.07267
Location Longitude
-79.939029
Commodity Released Type
Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Commodity Subtype
Gasoline (Non-Ethanol)
Unintentional Release Bbls
16.67
Recovered Bbls
2.02
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 Breakout Tank Or Storage Vessel, Including Attached Appurtenances
On Off Shore
Onshore
Status When Identified
Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind
No
Shutdown Explain
Isolated To Tank 812.
Communication State Fed Ind
No
Nrc Rpt Num
1428347
Additional Nrc Report Numbers
1428453
Ignite Ind
No
Notify Qualified Indiv Ind
Yes
Oil Spill Removal Org Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Greensboro Junction
Segment Name
Tank 812
Onshore State Abbreviation
Nc
Onshore Postal Code
27409
Onshore City Name
Greensboro
Onshore County Name
Guilford
Designated Location
Survey Station No.
Designated Name
685
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Tank, Including Attached Appurtenances
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Tank/vessel
Tank Vessel Subtype
Single Bottom System
Tank Type
Atmospheric
Safe Fill Level
46.2
Safe Fill Level Exceeded Ind
No
Api Std Out Of Service Year
2006
Api Std In Service Year
2024
Installation Year
1963
Manufactured Year
1963
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Crack
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
0
Est Cost Gas Released
1612
Est Cost Prop Damage
191689
Est Cost Emergency
60311
Est Cost Environmental
358000
Est Cost Other
0
Prpty
611612
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
15
Pressure Restriction 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
Controller(s) or control room issues were the cause of or a contributing factor to the accident.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
Internal Corrosion
Internal External
Internal Corrosion
Int Visual Exam Results
Not Cut Open
Int Other Corrosion Ind
Yes
Int Corrosion Type Details
Anomaly Not Removed Yet.
Int Field Exam Basis Ind
Yes
Int Other Loc Ind
Yes
Corrosion Location Details
Anomaly Not Removed Yet.
Corrosion Inhibitors
No
Corrosion Lining
Yes
Cleaning Dewatering
Not Applicable - Not Mainline Pipe
Corrosion Coupons
Not Applicable - Not Mainline Pipe
Preparer Name
D***** L******
Preparer Title
Senior Compliance Specialist
Preparer Email
D*******@c******.com
Preparer Telephone
4438211456
Prepared Date
2025-08-05 00:00:00
Authorizer Name
Q****** F******
Authorizer Telephone
6787622270
Authorizer Title
Director Pipeline Compliance
Authorizer Email
Q*******@c******.com
Narrative
On april 14, 2025, a colonial employee detected a product release from the ring wall of tank 812 at the greensboro junction facility. In response, local operations transferred the remaining product to other tanks within the facility. The affected tank was subsequently removed from service, and a work plan was initiated to facilitate cleaning the tank in preparation for entry and investigation into the cause of the release. Update: the source of the leak has been located in a bottom plate and appears to be corrosion related.
| Report Received Date | 2025-05-09 00:00:00 |
|---|---|
| Iyear | 2025 |
| Report Number | 20250117 |
| Supplemental Number | 41223 |
| Report Type | Supplemental Final |
| Operator Id | 2552 PHMSA Enforcement |
| Name | Colonial Pipeline Co |
| Operator Street Address | 1000 Lake St. |
| Operator City Name | Alpharetta |
| Operator State Abbreviation | GA |
| Operator Postal Code | 30009 |
| Time Zone | Eastern |
| Daylight Savings Ind | No |
| Location Latitude | 36.07267 Google Maps OpenStreetMap |
| Location Longitude | -79.939029 Google Maps OpenStreetMap |
| Commodity Released Type | Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions |
| Commodity Subtype | Gasoline (Non-Ethanol) |
| Unintentional Release Bbls | 16.67 |
| Recovered Bbls | 2.02 |
| 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 Breakout Tank Or Storage Vessel, Including Attached Appurtenances |
| On Off Shore | Onshore |
| Status When Identified | Normal Operation, Includes Pauses Between Batches And During Maintenance |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Isolated To Tank 812. |
| Communication State Fed Ind | No |
| Nrc Rpt Num | 1428347 NRC Report How to search |
| Additional Nrc Report Numbers | 1428453 |
| Ignite Ind | No |
| Notify Qualified Indiv Ind | Yes |
| Oil Spill Removal Org Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Greensboro Junction |
| Segment Name | Tank 812 |
| Onshore State Abbreviation | Nc |
| Onshore Postal Code | 27409 |
| Onshore City Name | Greensboro |
| Onshore County Name | Guilford |
| Designated Location | Survey Station No. |
| Designated Name | 685 |
| Federal | No |
| Location Type | Totally Contained On Operator-Controlled Property |
| Incident Area Type | Tank, Including Attached Appurtenances |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Tank/vessel |
| Tank Vessel Subtype | Single Bottom System |
| Tank Type | Atmospheric |
| Safe Fill Level | 46.2 |
| Safe Fill Level Exceeded Ind | No |
| Api Std Out Of Service Year | 2006 |
| Api Std In Service Year | 2024 |
| Installation Year | 1963 |
| Manufactured Year | 1963 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Crack |
| 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 | 0 |
| Est Cost Gas Released | 1612 |
| Est Cost Prop Damage | 191689 |
| Est Cost Emergency | 60311 |
| Est Cost Environmental | 358000 |
| Est Cost Other | 0 |
| Prpty | 611612 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Accident Psig | 15 |
| Pressure Restriction 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 | Controller(s) or control room issues were the cause of or a contributing factor to the accident. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Corrosion Failure |
| Cause Details | Internal Corrosion |
| Internal External | Internal Corrosion |
| Int Visual Exam Results | Not Cut Open |
| Int Other Corrosion Ind | Yes |
| Int Corrosion Type Details | Anomaly Not Removed Yet. |
| Int Field Exam Basis Ind | Yes |
| Int Other Loc Ind | Yes |
| Corrosion Location Details | Anomaly Not Removed Yet. |
| Corrosion Inhibitors | No |
| Corrosion Lining | Yes |
| Cleaning Dewatering | Not Applicable - Not Mainline Pipe |
| Corrosion Coupons | Not Applicable - Not Mainline Pipe |
| Preparer Name | D***** L****** |
| Preparer Title | Senior Compliance Specialist |
| Preparer Email | D*******@c******.com |
| Preparer Telephone | 4438211456 |
| Prepared Date | 2025-08-05 00:00:00 |
| Authorizer Name | Q****** F****** |
| Authorizer Telephone | 6787622270 |
| Authorizer Title | Director Pipeline Compliance |
| Authorizer Email | Q*******@c******.com |
| Narrative | On april 14, 2025, a colonial employee detected a product release from the ring wall of tank 812 at the greensboro junction facility. In response, local operations transferred the remaining product to other tanks within the facility. The affected tank was subsequently removed from service, and a work plan was initiated to facilitate cleaning the tank in preparation for entry and investigation into the cause of the release. Update: the source of the leak has been located in a bottom plate and appears to be corrosion related. |
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