LOCATION.-- Lat 40°45'11", long 90°00'40" (NAD of 1927), in NE1/4NE1/4SW1/4 sec. 7, T.9 N., R.5 E., Hydrologic Unit 07130003, Well 3 (Illinois Environmental Protection Agency 50351), within Elmwood. Owner: City of Elmwood.

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

WELL CHARACTERISTICS.-- Diameter unrecorded, depth 1,572 ft, cased to 1,121 ft, open hole, drilled, public supply.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: March 1986 (see Voelker and others, 1987); June 1990 through December 1992; June 2002.