LOCATION.-- Lat 42°19'43", long 88°16'05" (NAD of 1927), in SE1/4SE1/4SW1/4 sec. 35, T.45 N., R.8 E., Hydrologic Unit 07120006, Well 2 (Illinois Environmental Protection Agency 20207), within McHenry. Owner: City of McHenry.

AQUIFER.-- Glacial drift of Quaternary age.

WELL CHARACTERISTICS.-- Diameter unrecorded, depth 60 ft, cased to 40 ft, screened, drilled, public supply.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: November 1986 (see Voelker and others, 1987); April 2002.