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LOCATION.-- Lat 41°20'31", long 88°08'09" (NAD of 1983), in NW1/4NE1/4SE1/4 sec. 13, T.33N., R.9E, Hydrologic Unit 07120001, Piezometer PZ8S, about 2 miles north 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 7.8 feet, cased to 5.3 feet, slotted screen, observation. |
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PERIOD OF RECORD.-- |
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GROUND-WATER LEVELS: October 2003 to September 2005. |
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INSTRUMENTATION.-- Electronic data logger--60-minute recording. |
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DATUM.-- Land-surface datum is 557.34 ft above NAVD of 1988 (557.63 ft NGVD 1929). Measuring point: Top of PVC casing, 3.3 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, 1.19 ft above land surface datum, Jan. 13, 2005; lowest recorded, 4.33 ft below land surface datum, Sept. 16, 2005. |
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REMARKS FOR CURRENT YEAR.-- Ground-water levels estimated for the entire year. Site visited only once during the year. |
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| DEPTH TO WATER LEVEL, FEET BELOW LAND SURFACE, WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MAXIMUM VALUES |
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| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | 1.12 | 0.33 | -0.76 | -0.64 | -0.57 | -0.84 | -0.74 | -0.62 | 0.10 | 2.61 | 3.11 | 3.80 |
| 2 | 0.42 | -0.28 | -0.78 | -0.72 | -0.55 | -0.83 | -0.77 | -0.60 | 0.21 | 2.68 | 3.21 | 3.87 |
| 3 | 0.67 | -0.33 | -0.77 | -0.76 | -0.56 | -0.81 | -0.77 | -0.57 | 0.14 | 2.75 | 3.30 | 3.93 |
| 4 | 0.92 | -0.39 | -0.76 | -0.89 | -0.63 | -0.81 | -0.74 | -0.55 | 0.30 | 2.81 | 3.38 | 3.98 |
| 5 | 1.00 | -0.47 | -0.74 | -0.92 | -0.68 | -0.80 | -0.73 | -0.52 | 0.09 | 2.86 | 3.46 | 4.02 |
| 6 | 1.09 | -0.48 | -0.76 | -0.93 | -0.73 | -0.78 | -0.72 | -0.49 | 0.48 | 2.92 | 3.55 | 4.06 |
| 7 | 1.16 | -0.47 | -0.79 | -0.92 | -0.76 | -0.78 | -0.74 | -0.46 | 0.83 | 2.98 | 3.63 | 4.09 |
| 8 | 1.14 | -0.46 | -0.91 | -0.90 | -0.81 | -0.77 | -0.72 | -0.42 | 1.08 | 3.05 | 3.70 | 4.12 |
| 9 | 0.34 | -0.45 | -0.87 | -0.90 | -0.80 | -0.75 | -0.71 | -0.40 | 0.07 | 3.12 | 3.75 | 4.16 |
| 10 | 0.61 | -0.44 | -0.85 | -0.90 | -0.80 | -0.74 | -0.68 | -0.36 | 0.24 | 3.19 | 3.80 | 4.19 |
| 11 | 0.75 | -0.43 | -0.83 | -0.95 | -0.79 | -0.75 | -0.64 | -0.36 | 0.75 | 3.25 | 3.82 | 4.23 |
| 12 | 0.80 | -0.41 | -0.82 | -0.99 | -0.79 | -0.74 | -0.65 | -0.41 | 0.93 | 3.31 | 3.86 | 4.26 |
| 13 | 0.26 | -0.40 | -0.78 | -1.06 | -0.79 | -0.73 | -0.79 | -0.43 | 1.23 | 3.36 | 3.87 | 4.29 |
| 14 | 0.34 | -0.38 | -0.73 | -0.98 | -0.88 | -0.72 | -0.80 | -0.40 | 1.17 | 3.42 | 3.88 | 4.31 |
| 15 | 0.06 | -0.38 | -0.71 | -0.91 | -0.93 | -0.70 | -0.79 | -0.37 | 1.41 | 3.47 | 3.90 | 4.32 |
| 16 | 0.26 | -0.38 | -0.71 | -0.85 | -0.93 | -0.69 | -0.78 | -0.34 | 1.58 | 3.51 | 3.92 | --- |
| 17 | 0.45 | -0.37 | -0.71 | -0.79 | -0.90 | -0.68 | -0.78 | -0.29 | 1.68 | 3.55 | 3.94 | --- |
| 18 | 0.47 | -0.37 | -0.70 | -0.74 | -0.88 | -0.65 | -0.77 | -0.24 | 1.76 | 3.60 | 3.95 | --- |
| 19 | 0.54 | -0.42 | -0.63 | -0.71 | -0.87 | -0.66 | -0.74 | -0.24 | 1.84 | 3.64 | 3.91 | --- |
| 20 | 0.60 | -0.46 | -0.58 | -0.68 | -0.88 | -0.65 | -0.74 | -0.52 | 1.92 | 3.67 | 3.89 | --- |
| 21 | 0.69 | -0.45 | -0.56 | -0.66 | -0.91 | -0.64 | -0.73 | -0.52 | 2.01 | 3.32 | 3.10 | --- |
| 22 | 0.70 | -0.45 | -0.46 | -0.64 | -0.89 | -0.63 | -0.73 | -0.49 | 2.09 | 3.21 | 3.12 | --- |
| 23 | 0.65 | -0.45 | -0.34 | -0.62 | -0.88 | -0.66 | -0.77 | -0.45 | 2.17 | 3.25 | 3.18 | --- |
| 24 | 0.17 | -0.44 | -0.19 | -0.61 | -0.87 | -0.65 | -0.76 | -0.41 | 2.24 | 3.32 | 3.25 | --- |
| 25 | 0.31 | -0.51 | -0.08 | -0.59 | -0.86 | -0.68 | -0.73 | -0.37 | 2.31 | 3.37 | 3.31 | --- |
| 26 | 0.36 | -0.51 | 0.00 | -0.66 | -0.84 | -0.74 | -0.72 | -0.33 | 2.37 | 3.41 | 3.36 | --- |
| 27 | 0.43 | -0.55 | 0.12 | -0.62 | -0.83 | -0.75 | -0.69 | -0.28 | 2.43 | 2.83 | 3.44 | --- |
| 28 | 0.46 | -0.65 | 0.17 | -0.55 | -0.84 | -0.75 | -0.68 | -0.23 | 2.49 | 2.80 | 3.51 | --- |
| 29 | 0.41 | -0.67 | 0.05 | -0.52 | --- | -0.71 | -0.66 | -0.18 | 2.52 | 2.88 | 3.58 | --- |
| 30 | 0.23 | -0.68 | -0.16 | -0.50 | --- | -0.67 | -0.64 | -0.12 | 2.55 | 2.96 | 3.65 | --- |
| 31 | 0.32 | --- | -0.59 | -0.58 | --- | -0.74 | --- | -0.04 | --- | 3.03 | 3.73 | --- |
| MEAN | 0.57 | -0.43 | -0.56 | -0.76 | -0.80 | -0.73 | -0.73 | -0.39 | 1.37 | 3.17 | 3.58 | --- |
| MAX | 1.16 | 0.33 | 0.17 | -0.50 | -0.55 | -0.63 | -0.64 | -0.04 | 2.55 | 3.67 | 3.95 | --- |
| MIN | 0.06 | -0.68 | -0.91 | -1.06 | -0.93 | -0.84 | -0.80 | -0.62 | 0.07 | 2.61 | 3.10 | --- |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |