Ten Largest Oil Spills in the U.S.

Updated April 5, 2021 | Infoplease Staff

The following table lists the largest oil spills in U.S. history. The date of the spill, circumstances surrounding the spill, and amount of oil spilled are also given.

RankDateCauseSourceLocationSpill Volume
1.April 20, 2010explosiondrilling rig Deepwater HorizonGulf of Mexico, 50 miles off the coast of Louisianaan estimated 200,000 gallons a day
2.March 24, 1989reef collisiontanker Exxon ValdezPrince William Sound, Alaska10+ million gallons
3.Dec. 15, 1976ran agroundtanker Argo MerchantNantucket Island7.7 million gallons
4.Aug.?Sept. 2005Hurricane Katrinavarious sourcesNew Orleans, La.7 million gallons
5.June 8, 1990explosiontanker Mega Borg60 miles off Galveston, Texas5.1 million gallons
6.Nov. 28, 2000ran agroundtanker WestchesterPort Sulphur, La.567,000 gallons
7.Jan. 23, 2010collisiontanker Eagle OtomePort Arthur, Texas462,000 gallons
8.July 25, 2008collisionunnamed bargeNew Orleans, La.419,000 gallons
9.Dec. 7, 2004ran agroundM/V Selendang AyuAleutian Islands, Alaska337,000 gallons
10.Aug. 10, 1993collisionbarge Bouchard B155Tampa Bay, Fla.336,000 gallons
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