LOCATION.-- Lat 42°16'33", long 88°12'58" (NAD of 1983), in SE1/4NW1/4SW1/4 sec.20, T.44N., R.9E., Hydrologic Unit 07120006, near Island Lake. Owner: U.S. Geological Survey.

AQUIFER.-- Glacial drift of Quaternary age.

WELL CHARACTERISTICS.-- Diameter 2.0 inches, depth 25.5 feet, cased to 20.5 feet, slotted screen, drilled, monitoring.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: April 2000, June 2002.