LOCATION.-- Lat 41°55'11", long 88°22'52" (NAD of 1983), in SW1/4NE1/4 sec.25, T.40 N., R.7 E., Hydrologic Unit 07120007, near Wasco. Owner: Private.

AQUIFER.--Galena, Platteville and Ancell Groups of Ordovician Age.

WELL CHARACTERISTICS.-- Diameter 5.0 inches, depth 680 feet, cased to 126 feet, open hole, drilled, domestic supply.

PERIOD OF RECORD.--

GROUND-WATER LEVELS: May 1995, June 2002.

INSTRUMENTATION.--Manual electric-tape measurements.

DATUM.--Measuring-point datum is 818 ft above NGVD of 1929. Measuring point: Top of well casing.