M/T Athos I Crude Oil Spill

State TrusteeState of Delaware
State TrusteeState of Pennsylvania
State TrusteeState of New Jersey
Federal TrusteeDepartment of Commerce
AO Bureau

Also Known As

Incident Type



New Jersey

Case Status



Delaware River



Contaminants of Concern Include


Affected DOI Resources Include

Migratory Birds

Financial Summary

Restoration Funds Collected:


*Restoration Funds Allocated:


*Restoration Funds Remaining:


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Case Description

The Athos departed Venezuela, South America, for the Citgo Asphalt Refinery in Paulsboro, N.J., on 26 November 2004, carrying approximately 13 million gallons of Bachaquero Venezuelan crude oil. At approximately 9:30 p.m. on 26 November 2004, tug operators assisting the Athos with docking at the refinery notified the U.S. Coast Guard (USCG) that the tanker was leaking oil. The vessel had struck several submerged objects while maneuvering through Anchorage #9 to its berth. Within minutes, the ship lost power and listed approximately 8 degrees to the vessel’s port side. Surveys of the river bottom following the incident found several objects in the area, including an 18,000-pound anchor, large concrete block, and pump casing. USCG determined that the anchor punctured the vessel’s number seven center cargo and port ballast tanks. The bulkhead between the cargo and ballast tanks was also damaged, allowing oil to migrate into the ballast tank and then into the river.

Initial reports indicated that the vessel released 30,000 gallons of the heavy crude oil. Later reports on 30 November suggested an increase in the volume spilled to a maximum potential of 473,500 gallons. The final estimate of 263,371 gallons became known after lightering of the remaining oil from the vessel and comprehensive analysis.

The tanker Athos I, carrying crude oil from Venezuela, was preparing to dock at a refinery in New Jersey when it ripped its hull on a submerged anchor. This caused its cargo of oil to begin gushing into the Delaware River., Credit: NOAA

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Case Documents

 Document TypeDocument NameDocument Date


 Factsheet Delaware River 01/01/2012
 Factsheet NOAA Delaware River 10/01/2006
 Factsheet Restoration Alternatives 12/01/2008


 Restoration Agreement Restoration Memorandum of Agreement 03/03/2010
 MOA/MOU Trustees Agreement 04/11/2005
 MOA/MOU Trustees Agreement (addendum) 04/20/2010


 Study Report Aquatic Injury Assessment Report 06/21/2007
 Study Report Bird and Wildlife Injury Assessment 06/22/2007
 Study Report Injuries to Non-Tributary Shorelines 08/22/2008
 Study Report Restoration Scaling for Injuries to Birds 08/22/2008
 Study Report Restoration Scaling for Tributary Injuries 04/17/2008
 Study Report Shoreline Injury Assessment Report 03/21/2007


 Claim Claim Determination  
 Claim Claim Determination (acceptance)  


 Powerpoint Presentations Athos 1 Oil Spill Presentation 02/13/2009

Map View

Case Contact

New Jersey Ecological Services Field Office

4 East Jimmie Leeds Road, Suite 4, Galloway, NJ 08205 | (609) 383-3938 | http://www.fws.gov/northeast/njfieldoffice/

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