LOCATION.-- Lat 41°38'05", long 88°40'51",in SE1/4NE1/4SE1/4 sec. 32, T.37 N., R.5 E., Hydrologic Unit 07120007, Well 2 (Illinois Environmental Protection Agency 11438), within Somonauk. Owner: Village of Somonauk.

AQUIFER.-- Ancell Group of Ordovician age through Franconia Formation of Cambrian age.

WELL CHARACTERISTICS.-- Diameter unrecorded, depth 502? ft, cased to 115 ft, open hole, drilled, public supply.

PERIOD OF RECORD.--

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