Jan. 27, 2000 • Rupture near Winchester, Ky., releases 489,000 gallons (11,644 barrels).

April 6, 2002 • Leak of 90,000 gallons on the southeastern coast of Louisiana.

July 4, 2002 • Rupture near Cohasset, Minn., releases about 252,000 gallons.

Jan. 24, 2003 • Rupture in Douglas County, Wis., releases at least 100,000 gallons.

Dec. 2, 2003 • Leak near Grand Isle, La., pours 15,400 gallons into the Gulf of Mexico.

March 2, 2006 • Corroded pipe leaks 267,000 gallons on the tundra of Alaska's North Slope near Prudhoe Bay.

Jan. 7, 2009 • Leak in Utah of 58,800 gallons.

Jan. 10 • Leak in North Dakota of 126,000 gallons.

April 5 • Rupture near Green River, Wyo., spills 84,000 gallons.

April 7 • Leak of 18,000 gallons into the Delta National Wildlife Refuge south of New Orleans.

June 12 • Leak of 33,600 gallons in Salt Lake City.

Source: National Wildlife Federation