LOCATION.-- Lat 41°03'36", long 87°34'51" (NAD of 1927), in NW1/4NW1/4SW1/4 sec. 26 T.30N., R.11W, Hydrologic Unit 07120002, Pembroke Firehouse Well 56, about 1.5 mile west of Hopkins Park. Owner: Illinois State Water Survey.

AQUIFER.-- Glacial drift of Quaternary age.

WELL CHARACTERISTICS.-- Diameter 2.0 inches, depth 47.0 feet, cased to 42.0 feet, slotted screen, drilled, observation.

PERIOD OF RECORD.--

GROUND-WATER QUALITY: Miscellaneous, October 2000.