LOCATION.-- Lat 40°17'54", long 90°03'20" (NAD of 1927), in SW1/4SW1/4NW1/4 sec. 6, T.21 N., R.8 W., Hydrologic Unit 07130003, Well 5 (Illinois Environmental Protection Agency 50308), within Havana. Owner: City of Havana.

AQUIFER.-- Alluvium of Quaternary age.

WELL CHARACTERISTICS.-- Diameter 12 in., depth 96 ft, cased to 46 ft, screened, drilled, public supply.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: May 1984 through July 1986 (see Voelker and others, 1987); June 1990 through November 1992; November 2001.