Water and Related Wells in Illinois
The ISGS is an official repository for records of wells drilled in the state of Illinois. Paper records are archived for over 700,000 wells. Some of these records go back as far as the late 1800s. Water and related well data can be accessed for private water wells, engineering borings, and stratigraphic borings.
Digital Water Well Records
Disable all POPUP BLOCKER software to access well records.
For general inquiries, e-mail the ISGS Database Administrator.
To purchase data, call the ISGS Geologic Records Unit at 217-333-5109.
Updated 06/19/2012 ABL