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Leaking Underground Storage Tank Releases and Cleanups

Dataset Excel: 

All data are cumulative from the start of the U.S. Environmental Protection Agency's Underground Storage Tank program, which began in 1984.

Data represent fiscal year, October 1 through September 30.


1990: U.S. Environmental Protection Agency, Office of Underground Storage Tanks, personal communications, Nov. 17 and 18, 1998.

1991-2019: Ibid., UST Performance Measures, available at as of Nov. 27, 2019.