LOCATION.-- Lat 38°39'32", long 90°01'26" (NAD of 1927), in SW1/4SE1/4SE1/4 sec. 31, T.3 N., R.8 W., Hydrologic Unit 07140101, Well 9 (Illinois Environmental Protection Agency 60053), about 1 mi southwest of Collinsville. Owner: City of Collinsville.

AQUIFER.-- Alluvium of Quaternary age.

WELL CHARACTERISTICS.-- Diameter unrecorded, depth 102 ft, cased to 73 ft, screened, drilled, public supply.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: August 1986 (see Voelker and others, 1987); October 2001.