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LOCATION.-- Lat 41°27'20", long 88°15'32" (NAD of 1927), Hydrologic Unit 07120004, Village of Minooka, Well 3. Owner: Village of Minooka. |
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AQUIFER.-- Ancell and Prarie du Chien Groups of Ordovician age and Ironton and Galesville Sandstones of Cambrian age. |
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WELL CHARACTERISTICS.-- Drilled artesian well, diameter 12 in., depth 1,508 ft, cased to 892 ft, open hole. |
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PERIOD OF RECORD.-- |
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GROUND-WATER LEVELS: June 1992 to September 1997 (fragmentary). |
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INSTRUMENTATION.-- Manual steel-tape measurement made every 2 months. |
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DATUM.-- Land-surface datum is 610 ft above NGVD of 1929. Measuring point: Access hole to casing, 1.6 ft. above land-surface datum. |
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REMARKS.-- Ground-water level affected by regional drawdown cone. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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GROUND-WATER LEVELS: Highest water level measured, 346.91 ft. below land surface datum, April 19, 1995; lowest measured, 360.18 ft. below land-surface datum, Mar. 27, 1996. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |