LOCATION.-- Lat 40°31'43", long 88°05'47" (NAD of 1927), in SW1/4NW1/4NW1/4 sec. 20, T.24 N., R.10 E., Hydrologic Unit 07120002, Well 7 (Illinois Environmental Protection Agency 47583), about 1.5 mi west of Loda, on west side of Bayles Lake. Owner: Bayles Lake Lot Owners Association.

AQUIFER.-- Glacial drift of Quaternary age.

WELL CHARACTERISTICS.-- Diameter unrecorded, depth 226 ft, cased to 211 ft, screened, drilled, public supply.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: August 1985 (see Voelker and others, 1987); October 2001.