SWS 2
Illinois State Water Survey
Located in St. Clair County, Illinois, this groundwater monitoring location is associated with a water well in the Alluvial aquifers.
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-77.0 ft | 8.0 in diameter black casing | |
| 77.0-80.0 ft | 5.0 in diameter none screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-1.0 ft | unknown | rock & cinders |
| 1.0-3.0 ft | unknown | fill |
| 3.0-18.0 ft | unknown | clay, yellow |
| 18.0-55.0 ft | unknown | clay, yellow, fine |
| 55.0-82.0 ft | unknown | sand, gray, fine |
-
Agency Illinois State Water Survey Site Name SWS 2 Site Number P135237 Site Type WELL Lat/Long (WGS84) 38.5943, -90.0704 Well Depth 82 Feet Elevation (NAVD88) 419.39 ft Latitude 38.594316 Longitude -90.070351 Local Aquifer Name Cahokia Alluvial Aquifer (None) National Aquifer Name Alluvial aquifers (N100ALLUVL) Aquifer Type CONFINED 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 -
-
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 16.33 13.29 7.27 2018-08-30 2026-05-13 5062 7.8 14.23 -- Statistics Calculated 2026-06-07 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 -
Operated in cooperation with:
