LOCATION.-- Lat 41°55'51", long 88°57'52" (NAD of 1927), in NW1/4SE1/4NE1/4 sec. 23, T.40 N., R.2 E., Hydrologic Unit 07090005, Well 3 (Illinois Environmental Protection Agency 11782), within Creston. Owner: Village of Creston.

AQUIFER.-- Platteville and Ancell Groups of Ordovician age.

WELL CHARACTERISTICS.-- Diameter unrecorded, depth 723 ft, cased to 446 ft, open hole, drilled, public supply.

PERIOD OF RECORD.--

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