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Illinois State Geological Survey: wells in Illinois

Where they operate

CountyActiveWells
Cook070
Lake046
Vermilion040
Champaign035
Adams027
Macon023
Monroe019
Ford018
Wabash017
Madison016
Piatt013
Lawrence013
Jackson013
Boone011
Winnebago010
Carroll09
St. Clair08
Kane08
Randolph07
Pope07
Pike07
Massac07
Williamson06
Union06
Saline06
Peoria06
DuPage06
Pulaski05
Ogle05
Henry05

Wells

Not plugged · All wells · Plugged · Orphaned

WellAPI / IDStatusType
No wells match.

Operator names are shown as each state records them. Data as of 2026-10-17.