LOCATION.-- Lat 41°20'15", long 87°47'23" (NAD of 1927), in SW1/4NE1/4NE1/4 sec. 24, T.33 N., R.12 E., Hydrologic Unit 07120001, Well 4 (Illinois Environmental Protection Agency 20436), within Peotone. Owner: Village of Peotone.

AQUIFER.-- Dolomite of Silurian age.

WELL CHARACTERISTICS.-- Diameter 15 to 16 in., depth 300 ft, cased to 72 ft, open hole, drilled, public supply.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: August 1985 (see Voelker and others, 1987); August 2002.