LOCATION.-- Lat 41°51'34", long 88°07'50" (NAD of 1927), in SW1/4SW1/4SW1/4 sec. 17, T.39 N., R.10 E., Hydrologic Unit 07120004, Well 2 (Illinois Environmental Protection Agency 20497), within Wheaton. Owner: Polo Drive and Saddle Road Subdivision.

AQUIFER.-- Dolomite of Silurian age.

WELL CHARACTERISTICS.-- Diameter 5 to 8 in., depth 200 ft, cased to 99 ft, open hole, drilled, public supply.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: February 2002.