Lisle Groundwater Contamination Investigation
During the late summer and early fall of 2000, a number of residents with private
wells in an eastern Lisle neighborhood had their wells sampled by a private
environmental contractor. Trichloroethylene
(TCE) had been detected in at least 20 wells, and it had been found
in excess of the U.S. Environmental Protection Agency Drinking
Water Standard for public water supplies in six wells. The
concentrations ranged from just above the detection limit to almost 20 parts
per billion in one well.
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