Des Plaines 7

Illinois State Water Survey

Located in Cook County, Illinois, this groundwater monitoring location is associated with a water well in the Cambrian-Ordovician aquifer system.

Well Construction

Depth Description
0.0-960.0 ft 26.0 in diameter steel casing
- ft none screen
Depth Lithology Description
0.0-107.0 ft unknown drift
107.0-200.0 ft unknown Silurian Dolomite
200.0-437.0 ft unknown Maquoketa Shale
437.0-755.0 ft unknown Galena-Platteville
755.0-960.0 ft unknown St. Peter Sandstone
960.0-1225.0 ft unknown Eminence-Potosi
1225.0-1383.0 ft unknown Ironton-Galesville Sandstone
1383.0-1518.0 ft unknown Eau Claire
1518.0-1815.0 ft unknown Elmhurst-Mt. Simon Sandstone

Operated in cooperation with: