LOCATION.-- Lat 42°18'03", long 87°55'48" (NAD of 1927), in NE1/4SW1/4SE1/4 sec. 10, T.44 N., R.11 E., Hydrologic Unit 07120004, Countryside Manor Subdivision Well 2 (Illinois Environmental Protection Agency 20285), about 1 mi northeast of Libertyville. Owner: Lake County Department of Public Works.

AQUIFER.-- Dolomite of Silurian age.

WELL CHARACTERISTICS.-- Diameter 6 in., depth 242 ft, cased to 167 ft, open hole, drilled, public supply.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: August 1985 (see Voelker and others, 1987); January 2002.