LOCATION.-- Lat 41°20'43", long 88°03'50" (NAD of 1983), in NE1/4SW1/4NE1/4 sec. 15, T.33N., R.10E, Hydrologic Unit 07120001, Piezometer PZ7, about 4.5 miles northeast 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 15.9 feet, cased to 10.9 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 626.11 ft above NAVD of 1988. Measuring point: Top of PVC casing, 4.0 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, 4.42 ft below land surface datum, June 12, 2004; lowest recorded, 7.46 ft below land surface datum, Aug. 24, 25, and 26, 2004. |
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 | --- | 7.35 | 5.98 | 6.50 | --- | 6.47 | 4.99 | 6.45 | 5.20 | 6.92 | 7.29 | 5.97 |
2 | --- | 7.34 | 6.05 | 6.50 | --- | 6.49 | 5.27 | 6.43 | 5.56 | 6.94 | 7.29 | 6.16 |
3 | --- | 7.33 | 6.09 | 6.54 | --- | 6.51 | 5.53 | 6.46 | 5.83 | 6.95 | 7.30 | 6.30 |
4 | --- | 7.31 | 6.13 | 6.55 | --- | 6.50 | 5.73 | 6.47 | 6.05 | 6.96 | 7.30 | 6.41 |
5 | --- | 7.31 | 6.16 | 6.58 | --- | 6.37 | 5.85 | 6.50 | 6.20 | 6.98 | 7.32 | 6.49 |
6 | --- | 7.10 | 6.14 | 6.62 | --- | 4.92 | 5.94 | 6.55 | 6.32 | 6.99 | 7.33 | 6.56 |
7 | --- | 7.08 | 6.08 | 6.64 | --- | 5.23 | 6.03 | 6.57 | 6.40 | 7.02 | 7.33 | 6.63 |
8 | --- | 7.08 | 6.05 | 6.66 | --- | 5.45 | 6.15 | 6.56 | 6.47 | 7.04 | 7.34 | 6.69 |
9 | --- | 7.08 | 6.05 | 6.69 | --- | 5.67 | 6.23 | 6.59 | 6.55 | 7.05 | 7.34 | 6.75 |
10 | --- | 7.07 | 6.02 | 6.70 | --- | 5.82 | 6.29 | 6.64 | 6.57 | 7.04 | 7.35 | 6.79 |
11 | --- | 7.04 | 5.62 | 6.70 | --- | 5.95 | 6.34 | 6.66 | 6.56 | 7.05 | 7.36 | 6.83 |
12 | --- | 7.04 | 5.57 | 6.70 | --- | 6.05 | 6.38 | 6.69 | 6.55 | 7.07 | 7.37 | 6.87 |
13 | --- | 7.06 | 5.66 | 6.69 | --- | 6.11 | 6.42 | 6.69 | 4.93 | 7.07 | 7.38 | 6.90 |
14 | --- | 7.05 | 5.78 | 6.70 | 6.97 | 6.18 | 6.46 | 6.53 | 5.35 | 7.09 | 7.39 | 6.93 |
15 | --- | 7.03 | 5.85 | 6.72 | 6.99 | 6.23 | 6.49 | 5.83 | 5.66 | 7.10 | 7.39 | 6.95 |
16 | --- | 7.03 | 5.94 | 6.72 | 7.00 | 6.26 | 6.52 | 5.70 | 5.88 | 7.12 | 7.41 | 6.97 |
17 | --- | 7.03 | 6.00 | 6.72 | 7.00 | 6.30 | 6.56 | 5.92 | 6.09 | 7.13 | 7.41 | 7.00 |
18 | --- | 7.01 | 6.06 | 6.72 | 7.00 | 6.35 | 6.59 | 6.05 | 6.24 | 7.14 | 7.42 | 7.03 |
19 | --- | 6.19 | 6.13 | 6.75 | 6.96 | 6.37 | 6.65 | 6.13 | 6.35 | 7.15 | 7.43 | 7.05 |
20 | --- | 5.25 | 6.18 | 6.76 | 6.80 | 6.39 | 6.65 | 6.22 | 6.43 | 7.16 | 7.44 | 7.06 |
21 | --- | 5.41 | 6.21 | 6.76 | 6.41 | 6.41 | 6.63 | 6.29 | 6.47 | 7.17 | 7.44 | 7.09 |
22 | 7.36 | 5.56 | 6.23 | 6.79 | 6.36 | 6.42 | 6.66 | 6.35 | 6.55 | 7.19 | 7.44 | 7.10 |
23 | 7.36 | 5.65 | 6.27 | 6.79 | 6.34 | 6.42 | 6.68 | 6.34 | 6.60 | 7.21 | 7.45 | 7.12 |
24 | 7.34 | 5.52 | 6.31 | 6.82 | 6.34 | 6.42 | 6.69 | 6.32 | 6.66 | 7.22 | 7.46 | --- |
25 | 7.35 | 5.01 | 6.36 | 6.82 | 6.35 | 6.41 | 6.67 | 6.32 | 6.71 | 7.23 | 7.46 | --- |
26 | 7.35 | 5.25 | 6.40 | 6.83 | 6.37 | 6.37 | 6.48 | 6.16 | 6.75 | 7.24 | 7.46 | --- |
27 | 7.33 | 5.44 | 6.41 | 6.85 | 6.40 | 6.24 | 6.45 | 6.14 | 6.78 | 7.24 | 7.41 | --- |
28 | 7.31 | 5.61 | 6.41 | --- | 6.44 | 6.02 | 6.44 | 6.26 | 6.82 | 7.25 | 7.40 | --- |
29 | 7.33 | 5.72 | 6.41 | --- | 6.48 | 5.90 | 6.46 | 6.33 | 6.86 | 7.26 | 4.98 | --- |
30 | 7.33 | 5.87 | 6.43 | --- | --- | 5.28 | 6.46 | 6.35 | 6.89 | 7.27 | 5.30 | --- |
31 | 7.35 | --- | 6.47 | --- | --- | 5.07 | --- | 5.73 | --- | 7.28 | 5.69 | --- |
MEAN | --- | 6.49 | 6.11 | --- | --- | 6.08 | 6.29 | 6.33 | 6.28 | 7.11 | 7.18 | --- |
MAX | --- | 7.35 | 6.47 | --- | --- | 6.51 | 6.69 | 6.69 | 6.89 | 7.28 | 7.46 | --- |
MIN | --- | 5.01 | 5.57 | --- | --- | 4.92 | 4.99 | 5.70 | 4.93 | 6.92 | 4.98 | --- |
Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |