LOCATION.-- Lat 41°14'27", long 87°38'44" (NAD of 1927), in NE1/4SE1/4SE1/4 sec. 19, T.32 N., R.14 E., Hydrologic Unit 07120001, Well 3 (Illinois Environmental Protection Agency 22073), within Grant Park. Owner: City of Grant Park.

AQUIFER.-- Dolomite of Silurian age.

WELL CHARACTERISTICS.-- Diameter 8 in., depth 330 ft, cased to 63 ft, open hole, drilled, public supply.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: September 2002.