Fermilab 2 (Batavia)
Illinois State Water Survey
Located in DuPage County, Illinois, this groundwater monitoring location is associated with a water well in the Silurian-Devonian aquifers.
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-80.0 ft | 14.0 in diameter steel casing | |
| - ft | none screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-64.0 ft | unknown | drift |
| 64.0-217.0 ft | unknown | Silurian Dolomite |
| 217.0-326.0 ft | unknown | Maquoketa Shale |
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Agency Illinois State Water Survey Site Name Fermilab 2 (Batavia) Site Number P409761 Site Type WELL Lat/Long (WGS84) 41.8428, -88.2502 Well Depth 326 Feet Elevation (NAVD88) 742.94 ft Latitude 41.842834 Longitude -88.250178 Local Aquifer Name Silurian Dolomite (None) National Aquifer Name Silurian-Devonian aquifers (N400SLRDVN) Aquifer Type UNCONFINED Water-Level Well Type Trend Water-Level Well Characteristics Background Water Quality Network Additional info Link 1 -
Activity Start Date Activity Start Time Characteristic Name Measure Value Units Detection Limit Value Type Sample Fraction Method Name Analytical Method System Sample Method ID Sample Method ID Context Sample Method Name Activity Type Code Data Provided By -
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How do we calculate statistics?
Overall Water Level Statistics (Depth to water, feet below land surface) Lowest Water Level Median Water Level Highest Water Level First Measurement Date Last Measurement Date Number of Measurements Years of Record Latest Value Latest Percentile 82.00 58.00 51.60 1970-07-01 2025-04-21 7374 54.8 61.69 11.76 Statistics Calculated 2025-04-22 Monthly Water Level Statistics (Depth to water, feet below land surface) Month Lowest Median 10th Percentile 25th Percentile 50th Percentile 75th Percentile 90th Percentile Highest Median Number of Measurements Years of Record Jan 70.00 62.23 59.83 58.32 56.29 55.51 53.84 48 48 Feb 72.00 62.24 59.89 58.34 56.42 55.19 53.92 47 47 Mar 70.00 62.06 60.67 58.33 55.85 55.15 53.77 48 48 Apr 70.00 61.98 59.87 57.66 55.85 54.77 52.67 50 50 May 70.00 61.88 58.72 57.37 55.32 54.34 52.14 49 49 Jun 71.00 62.09 58.75 57.60 55.42 54.49 52.38 51 51 Jul 82.00 62.65 59.38 57.83 55.92 54.54 53.18 50 50 Aug 71.00 62.93 60.09 58.15 56.24 55.00 54.47 49 49 Sep 74.00 63.12 60.23 58.05 56.82 55.31 54.65 51 51 Oct 72.00 62.82 60.43 58.29 56.68 55.60 55.13 49 49 Nov 73.00 62.98 60.67 58.66 56.60 55.78 55.11 48 48 Dec 73.00 62.40 60.59 58.88 56.81 55.87 54.17 47 47 Statistics Calculated 2025-04-22 -
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