LOCATION.-- Lat 38°52'35", long 90°07'26" (NAD of 1927), in SW1/4NW1/4NE1/4 sec. 20, T.5 N., R.9 W., Hydrologic Unit 07110009, Well 2 (Illinois Environmental Protection Agency 60058), within East Alton. Owner: Village of East Alton.

AQUIFER.-- Alluvium of Quaternary age.

WELL CHARACTERISTICS.-- Diameter unrecorded, depth 92 ft, cased to 62 ft, screened, drilled, public supply.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: August 1986 and July 1987 (see Voelker and others, 1987); June 1991; July 2002.