List of oil spills

They are also estimates, because the actual volume of an oil spill is difficult to measure exactly.

[136] [138] [156] [204] [231] [260] [265] [267] Note: The "flow rate" column applies to leaking wells, pipelines, etc., and is often used to estimate the total amount of oil spilled.

The "full cargo" column applies to vessels, vehicles, etc., and represents the maximum amount of oil that could be spilled.

The "spilled" columns indicate the total amount of oil that has been released to the environment so far, and should be based on official estimates found in referenced sources whenever possible.

Unlike the units of tonnes used on the rest of this page, the graphic's numbers are presented in millions of US gallons (abbreviated as "MG" in the graphic), where 1 MG is roughly equal to 3,250 tonnes of crude oil.

Largest Oil Spills Affecting U.S. Waters Since 1969