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MTBE
(Methyl Tertiary Butyl Ether)
Wells Contaminated with MTBE
(46 total wells at 30 sites)
Reformulated gasoline is required in the city of St. Louis, Franklin, Jefferson, St. Charles and St. Louis counties. All community and non-transient non-community public water supplies are monitored for MTBE contamination. Six public water supplies have shown trace amounts of MTBE. Twenty-three leaking underground storage tanks sites have contaminated adjacent public or private groundwater wells as of June 2001.
