LOCATION.-- Lat 41°02'53", long 87°28'07" (NAD of 1983), in SE1/4NE1/4SE1/4 sec.17, T.30N., R.9W., Hydrologic Unit 07120001, near Enos. Owner: U.S. Geological Survey.

AQUIFER.-- Glacial drift of Quaternary age.

WELL CHARACTERISTICS.-- Diameter 2.0 inches, depth 14 feet, cased to 9 feet, slotted screen, drilled, monitoring.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: July 1999, June 2002.