LOCATION.-- Lat 42°35'23", long 88°24'49" (NAD of 1983), in SW1/4SW1/4SW1/4 sec.31, T.2N., R.18E., Hydrologic Unit 07120001, near Lake Geneva. Owner: U.S. Geological Survey.

AQUIFER.-- Glacial drift of Quaternary age.

WELL CHARACTERISTICS.-- Diameter 2.0 inches, depth 17.0 feet, cased to 12.0 feet, slotted screen, drilled, monitoring.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: May and June 2000, June 2002.