Illinois Water Science Center
![]() DATA CENTER
ABOUT THE ILLINOIS
|
Water Resources of IllinoisWelcome to the USGS Illinois Water Science Center. These pages are your source for water-resource information collected and interpreted by the U.S. Geological Survey in Illinois. Current Streamflow ConditionsOn the map to the left, point to one of the stream-monitoring locations to see a summary of current streamflow conditions, or click elsewhere on the map to open a larger view. USGS StreaMail Quick Link to Real-Time Data: View site list: SW | GW | WQ |