Water Resources of Illinois
Welcome 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 Conditions
On 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.
WaterAlert to receive daily or hourly updates about current conditions in rivers, lakes, and groundwater when
they match conditions of concern to you.
Send an email or text message
to WaterNow@usgs.gov containing a USGS current-conditions gaging site number and quickly receive a reply with its most recent observation(s). Get more information about
Quick Link to Real-Time Data:
View site list: SW
New Illinois Water Science Center Publications!
Over, T.M., Riley, J.D., Sharpe, J.B., and Arvin, Donald, 2014, Estimation of regional flow-duration curves for Indiana and Illinois, U.S. Geological Survey Scientific Investigations Report 2014-5177.
Mills, P.C., Duncker, J.D., Over, T.M., Domanski, M.M., and Engel, F.L., 2014, Evaluation of a Mass-Balance Approach to Determine Consumptive Water Use in Northeastern Illinois, U.S. Geological Survey Scientific Investigations Report 2014-5176.
Sharpe, J.B. and Soong, D.T., 2015, Lake Michigan Diversion Accounting Land Cover Change Estimation by Use of the National Land Cover Dataset and Raingage Network Partitioning Analysis, U.S. Geological Survey Open-File Report 2014-1258.
New Madrid Quake Potential Elevated
An updated USGS Report says the New Madrid Seismic Zone has a larger range of potential earthquake magnitudes than previously imagined.
USGS Illinois Water Science Center Has New Address
405 N Goodwin Urbana, IL 61801
CAN YOU FEEL IT?
If you feel an earthquake, here is the link to the popular USGS webpage to report what you felt: http://earthquake.usgs.gov/earthquakes/dyfi/