LOCATION.-- Lat 41°12'48", long 87°30'49" (NAD of 1983), in NW1/4NW1/4NE1/4 sec.24, T.32N., R.10W., Hydrologic Unit 07120001, near Schneider. Owner: U.S. Geological Survey.

AQUIFER.-- Glacial drift of Quaternary age.

WELL CHARACTERISTICS.-- Diameter 2.0 inches, depth 11 feet, cased to 5.0 feet, slotted screen, drilled, monitoring.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: July 1999, June 2002.