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LOCATION.-- Lat 41°22'10", long 88°09'30" (NAD of 1983), in NW1/4NE1/4SE1/4 sec. 2, T.33N., R.9E, Hydrologic Unit 07120004, Piezometer PZ5, about 4 miles northwest of Wilmington. 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 11.6 feet, cased to 6.6 feet, slotted screen, observation. |
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PERIOD OF RECORD.-- |
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GROUND-WATER LEVELS: October 2003 through September 2004. |
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INSTRUMENTATION.-- Electronic data logger--60-minute recording. |
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DATUM.-- Land-surface datum is 541.78 ft above NAVD of 1988. Measuring point: Top of PVC casing, 3.4 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, 2.14 ft above land surface datum, June 12, 2004; lowest recorded, 0.45 ft below land surface datum, Aug. 3, 2004. |
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REMARKS FOR CURRENT YEAR.-- Measured water levels during the approximate period of December through late February are considered estimated levels. During much of this period, the ground-water surface within the piezometer was frozen. |
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| DEPTH TO WATER LEVEL, FEET BELOW LAND SURFACE, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MAXIMUM VALUES |
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| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | --- | -0.33 | -0.83 | -0.85 | -0.23 | -1.05 | -1.04 | -1.05 | -1.06 | 0.05 | 0.32 | -0.79 |
| 2 | --- | -0.36 | -0.81 | -0.85 | -0.26 | -0.95 | -0.96 | -0.90 | -0.99 | 0.11 | 0.40 | -0.69 |
| 3 | --- | -0.93 | -0.83 | -0.83 | -0.35 | -0.90 | -0.88 | -0.81 | -0.85 | 0.12 | 0.45 | -0.61 |
| 4 | --- | -0.85 | -0.83 | -0.79 | -0.41 | -0.92 | -0.81 | -0.72 | -0.71 | -0.69 | -0.04 | -0.54 |
| 5 | --- | -1.21 | -0.96 | -0.84 | -0.45 | -1.48 | -0.78 | -0.63 | -0.61 | -0.75 | -0.21 | -0.48 |
| 6 | --- | -1.00 | -1.10 | -0.77 | -0.52 | -1.22 | -0.75 | -0.55 | -0.50 | -0.62 | -0.10 | -0.45 |
| 7 | --- | -0.87 | -1.03 | -0.73 | -0.57 | -1.09 | -0.72 | -0.54 | -0.39 | -0.55 | -0.02 | -0.37 |
| 8 | --- | -0.78 | -0.97 | -0.73 | -0.62 | -1.01 | -0.67 | -0.58 | -0.29 | -0.42 | 0.06 | -0.31 |
| 9 | --- | -0.72 | -0.94 | -0.74 | -0.68 | -0.94 | -0.64 | -0.50 | -0.22 | -0.40 | 0.13 | -0.26 |
| 10 | --- | -0.70 | -1.25 | -0.74 | -0.71 | -0.90 | -0.63 | -0.46 | -0.25 | -0.81 | 0.16 | -0.21 |
| 11 | --- | -0.69 | -1.17 | -0.75 | -0.72 | -0.82 | -0.59 | -0.42 | -0.68 | -0.66 | 0.20 | -0.17 |
| 12 | --- | -0.64 | -1.01 | -0.86 | -0.69 | -0.76 | -0.57 | -0.36 | -1.36 | -0.52 | 0.20 | -0.11 |
| 13 | --- | -0.60 | -0.96 | -0.98 | -0.69 | -0.72 | -0.53 | -0.66 | -1.07 | -0.44 | 0.24 | -0.08 |
| 14 | --- | -0.54 | -0.92 | -0.95 | -0.71 | -0.81 | -0.51 | -1.09 | -1.04 | -0.31 | 0.28 | -0.05 |
| 15 | --- | -0.57 | -0.90 | -0.79 | -0.68 | -0.84 | -0.49 | -1.07 | -1.05 | -0.21 | 0.34 | -0.03 |
| 16 | --- | -0.62 | -0.95 | -0.78 | -0.62 | -0.83 | -0.45 | -0.90 | -0.95 | -0.16 | 0.38 | -0.28 |
| 17 | --- | -0.66 | -0.86 | -0.74 | -0.58 | -0.87 | -0.41 | -0.78 | -0.82 | -0.08 | 0.42 | -0.29 |
| 18 | --- | -0.81 | -0.88 | -0.78 | -0.61 | -0.85 | -0.36 | -0.78 | -0.73 | -0.01 | 0.38 | -0.21 |
| 19 | --- | -1.27 | -0.84 | -0.57 | -0.91 | -0.87 | -0.30 | -0.81 | -0.60 | 0.05 | -0.05 | -0.14 |
| 20 | --- | -1.16 | -0.77 | -0.50 | -1.26 | -0.78 | -0.31 | -0.71 | -0.50 | 0.09 | -0.05 | -0.09 |
| 21 | --- | -1.05 | -0.75 | -0.44 | -1.24 | -0.73 | -0.73 | -0.67 | -0.51 | 0.13 | -0.12 | -0.04 |
| 22 | -0.20 | -0.96 | -0.83 | -0.35 | -1.19 | -0.69 | -0.65 | -0.65 | -0.59 | 0.16 | -0.04 | 0.00 |
| 23 | -0.19 | -0.97 | -0.91 | -0.29 | -1.20 | -0.70 | -0.58 | -1.09 | -0.43 | 0.21 | 0.04 | --- |
| 24 | -0.17 | -1.28 | -0.85 | -0.28 | -1.13 | -0.70 | -0.56 | -0.94 | -0.36 | 0.25 | 0.04 | --- |
| 25 | -0.20 | -1.14 | -0.77 | -0.21 | -1.08 | -0.90 | -0.74 | -0.94 | -0.28 | 0.29 | -0.44 | --- |
| 26 | -0.52 | -1.06 | -0.71 | -0.20 | -1.03 | -0.92 | -0.81 | -0.92 | -0.20 | 0.31 | -0.73 | --- |
| 27 | -0.49 | -1.01 | -0.76 | -0.24 | -1.00 | -1.03 | -0.71 | -0.81 | -0.15 | 0.36 | -0.97 | --- |
| 28 | -0.48 | -0.96 | -0.85 | -0.30 | -0.98 | -0.97 | -0.59 | -0.67 | -0.16 | 0.39 | -1.12 | --- |
| 29 | -0.38 | -0.94 | -1.00 | -0.32 | -1.01 | -1.19 | -0.53 | -0.59 | -0.07 | 0.41 | -1.24 | --- |
| 30 | -0.37 | -0.89 | -0.94 | -0.28 | --- | -1.09 | -0.61 | -0.58 | 0.01 | 0.39 | -1.04 | --- |
| 31 | -0.36 | --- | -0.87 | -0.23 | --- | -1.18 | --- | -1.36 | --- | 0.24 | -0.91 | --- |
| MEAN | --- | -0.85 | -0.90 | -0.60 | -0.76 | -0.93 | -0.63 | -0.76 | -0.58 | -0.10 | -0.10 | --- |
| MAX | --- | -0.33 | -0.71 | -0.20 | -0.23 | -0.69 | -0.30 | -0.36 | 0.01 | 0.41 | 0.45 | --- |
| MIN | --- | -1.28 | -1.25 | -0.98 | -1.26 | -1.48 | -1.04 | -1.36 | -1.36 | -0.81 | -1.24 | --- |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |