LOCATION.-- Lat 41°31'37", long 88°01'19" (NAD of 1927), in SE1/4NE1/4NW1/4 sec. 18, T.35 N., R11 E., Hydrologic Unit 07120004, Well 1 (Illinois Environmental Protection Agency 20330), within Cherry Hill. Owner: Utilities Inc. Cherry Hill Water Company

AQUIFER.-- Dolomite of Devonian and Silurian age.

WELL CHARACTERISTICS.-- Diameter 5 in., depth 192 ft, cased to 95 ft, open hole, drilled, public supply.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: July 1987 (see Voelker and others, 1987); December 2001.