LOCATION.-- Lat 41°35'28", long 88°55'21" (NAD of 1927), in NW1/4NE1/4SE1/4 sec. 18, T.36 N., R.3 E., Hydrologic Unit 07120001, Well 2 (Illinois Environmental Protection Agency 11456), within Earville. Owner: City of Earlville.

AQUIFER.-- Dolomite and sandstone of Ordovician and Cambrian age.

WELL CHARACTERISTICS.-- Diameter unrecorded, depth 150 ft, cased to 123 ft, open hole, drilled, public supply.

PERIOD OF RECORD.--

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