LOCATION.-- Lat 40°44'17", long 90°54'15" (NAD of 1927), in NE1/4SE1/4SE1/4 sec. 25, T.9 N., R.5 W., Hydrologic Unit 07080104, Well 4 (Illinois Environmental Protection Agency 50094), about 0.25 mi south of Stronghurst. Owner: Village of Stronghurst.

AQUIFER.-- Limestone of Mississippian age.

WELL CHARACTERISTICS.-- Diameter unrecorded, depth 70 ft, casing depth unrecorded, open hole, drilled, public supply.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: August 1986 (see Voelker and others, 1987); December 2001.