LOCATION.-- Lat 38°59'46", long 88°02'07" (NAD of 1927), in SE1/4SW1/4SW1/4 sec. 31, T.7 N., R.11 E., Hydrologic Unit 05120112, Well 3 (Illinois Environmental Protection Agency 47819), about 1 mi west of Willow Hill. Owner: Village of Willow Hill.

AQUIFER.-- Sandstone of Pennsylvanian age.

WELL CHARACTERISTICS.-- Diameter unrecorded, depth 269 ft, cased to 203 ft, open hole, drilled, public supply.

PERIOD OF RECORD.--

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