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. | |
AQUIFER.-- Glacial drift of Quaternary age. | |
WELL CHARACTERISTICS.-- diameter 1.0 inch, depth 20.8 feet, cased to 15.8 feet, slotted screen, observation. | |
PERIOD OF RECORD.-- | |
GROUND-WATER LEVEL: October 2003 through September 2004. | |
INSTRUMENTATION.-- Electronic data logger--60-minute recording. | |
DATUM.-- Land-surface datum is 644.40 ft above NAVD of 1988. Measuring point: Top of PVC casing, 3.9 ft above land-surface datum. | |
REMARKS.-- Piezometer open to fine-grained deposits. | |
EXTREMES FOR PERIOD OF RECORD.-- | |
GROUND-WATER LEVELS: Highest recorded water level, 1.32 ft below land surface datum, April 1, 2004; lowest recorded, 13.97 ft below land surface datum, Oct. 23, 2003. | |
| DEPTH TO WATER LEVEL, FEET BELOW LAND SURFACE, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004
DAILY MAXIMUM VALUES | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DAY | OCT | NOV | DEC | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP |
| 1 | --- | --- | --- | --- | --- | 5.63 | 1.50 | 4.31 | 1.95 | 4.72 | 7.46 | 5.17 |
| 2 | --- | --- | --- | --- | --- | 6.08 | 1.71 | 4.36 | 2.48 | 4.73 | 7.62 | 5.23 |
| 3 | --- | --- | --- | --- | --- | 6.08 | 2.11 | 4.40 | 2.74 | 4.71 | 7.81 | 5.38 |
| 4 | --- | --- | --- | --- | --- | 5.79 | 2.38 | 4.28 | 2.84 | 4.72 | 8.06 | 5.49 |
| 5 | --- | --- | --- | --- | --- | 5.32 | 2.52 | 4.43 | 2.97 | 4.81 | 8.29 | 5.53 |
| 6 | --- | --- | --- | --- | --- | 3.95 | 2.57 | 4.57 | 3.26 | 4.71 | 8.38 | 5.72 |
| 7 | --- | --- | --- | --- | --- | 3.26 | 2.73 | 4.82 | 3.49 | 4.75 | 8.47 | 5.91 |
| 8 | --- | --- | --- | --- | --- | 3.21 | 3.16 | 4.69 | 3.72 | 4.92 | 8.61 | 5.91 |
| 9 | --- | --- | --- | --- | --- | 3.32 | 3.31 | 4.68 | 3.84 | 4.98 | 8.66 | 6.10 |
| 10 | --- | --- | --- | --- | --- | 3.31 | 3.43 | 4.89 | 3.84 | 5.01 | 8.80 | 6.22 |
| 11 | --- | --- | --- | --- | --- | 3.39 | 3.59 | 4.93 | 3.84 | 4.96 | 8.93 | 6.34 |
| 12 | --- | --- | --- | --- | --- | 3.57 | 3.61 | 4.94 | 3.82 | 5.00 | 9.05 | 6.57 |
| 13 | --- | --- | --- | --- | 7.28 | 3.65 | 3.69 | 4.96 | 2.22 | 5.02 | 9.25 | 6.74 |
| 14 | --- | 12.25 | --- | --- | --- | 3.63 | 3.81 | 4.76 | 2.17 | 5.20 | 9.48 | 6.95 |
| 15 | --- | --- | --- | --- | 7.67 | 3.73 | 3.88 | 3.57 | 2.39 | 5.29 | 9.60 | 7.12 |
| 16 | --- | --- | --- | --- | 7.74 | 3.59 | 3.94 | 2.98 | 2.53 | 5.34 | 9.62 | 7.47 |
| 17 | --- | --- | --- | --- | 7.78 | 3.66 | 4.11 | 2.97 | 2.90 | 5.51 | 9.58 | 7.74 |
| 18 | --- | --- | --- | --- | 7.78 | 3.93 | 4.11 | 3.12 | 3.16 | 5.54 | 9.59 | 8.07 |
| 19 | --- | --- | --- | --- | 7.45 | 4.04 | 4.40 | 3.12 | 3.32 | 5.60 | 9.84 | 8.30 |
| 20 | --- | --- | --- | --- | 7.13 | 3.95 | 4.39 | 3.24 | 3.32 | 5.76 | 9.87 | 8.39 |
| 21 | --- | --- | --- | --- | 6.93 | 4.07 | 4.36 | 3.30 | 3.37 | 5.79 | 10.05 | 8.64 |
| 22 | --- | --- | --- | --- | 6.82 | 4.05 | 4.43 | 3.29 | 3.72 | 6.02 | 10.09 | 8.78 |
| 23 | 13.97 | --- | --- | --- | 6.40 | 3.89 | 4.44 | 3.24 | 3.77 | 6.30 | 10.24 | --- |
| 24 | --- | 5.25 | --- | --- | 6.15 | 3.93 | 4.48 | 3.02 | 4.07 | 6.37 | 10.29 | --- |
| 25 | --- | --- | --- | --- | 6.13 | 4.04 | 4.17 | 2.90 | 4.08 | 6.36 | 10.37 | --- |
| 26 | --- | --- | --- | --- | 5.97 | 3.90 | 4.09 | 2.60 | 4.22 | 6.38 | 10.33 | --- |
| 27 | --- | --- | --- | --- | 5.98 | 3.55 | 4.00 | 2.72 | 4.29 | 6.55 | 10.31 | --- |
| 28 | --- | --- | --- | 5.98 | 5.95 | 3.00 | 4.00 | 3.08 | 4.43 | 6.75 | 10.27 | --- |
| 29 | --- | --- | --- | --- | 5.81 | 2.78 | 4.20 | 3.13 | 4.52 | 6.90 | 6.63 | --- |
| 30 | --- | --- | --- | --- | --- | 1.95 | 4.24 | 3.05 | 4.58 | 6.95 | 5.40 | --- |
| 31 | --- | --- | --- | --- | --- | 1.56 | --- | 2.25 | --- | 7.25 | 5.14 | --- |
| MEAN | --- | --- | --- | --- | --- | 3.86 | 3.58 | 3.76 | 3.40 | 5.58 | 8.91 | --- |
| MAX | --- | --- | --- | --- | --- | 6.08 | 4.48 | 4.96 | 4.58 | 7.25 | 10.37 | --- |
| MIN | --- | --- | --- | --- | --- | 1.56 | 1.50 | 2.25 | 1.95 | 4.71 | 5.14 | --- |