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LOCATION.-- Lat 41°22'49", long 88°01'58" (NAD of 1983), in SW1/4SE1/4SW1/4 sec. 36, T.34N., R.10E, Hydrologic Unit 07120001, Piezometer PZ9, about 4 miles southeast of Elwood. Owner: U.S. Forest Service, Midewin National Tallgrass Prairie. |
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AQUIFER.-- Glacial drift of Quaternary age. |
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WELL CHARACTERISTICS.-- diameter 1.0 inch, depth 20.8 feet, cased to 15.8 feet, slotted screen, observation. |
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PERIOD OF RECORD.-- |
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GROUND-WATER LEVEL: October 2003 through September 2004; September 2005. |
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INSTRUMENTATION.-- Electronic data logger--60-minute recording. |
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DATUM.-- Land-surface datum is 644.40 ft above NAVD of 1988 (644.70 ft NGVD 1929). Measuring point: Top of PVC casing, 3.9 ft above land-surface datum. |
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REMARKS.-- Piezometer open to fine-grained deposits. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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GROUND-WATER LEVELS: Highest recorded water level, 1.32 ft below land surface datum, April 1, 2004; lowest recorded, 15.59 ft below land surface datum, Sept. 16, 2005. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |