LOCATION.-- Lat 41°50'27", long 89°17'55" (NAD of 1927), in NW1/4SE1/4NW1/4 sec. 1, T.21 N., R.10 E., Hydrologic Unit 07090005, Well 1 (Illinois Environmental Protection Agency 11560), within Franklin Grove. Owner: Village of Franklin Grove.

AQUIFER.-- Dolomite of Devonian? and Silurian age.

WELL CHARACTERISTICS.-- Diameter unrecorded, depth 298 ft, cased to 60 ft, open hole, drilled, public supply.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: February 1987 (see Voelker and others, 1987); May 2002.