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Sediment causes economic and environmental concerns in the Illinois River valley
February Breaks Record for Warm Temperatures in Illinois
Soils Were Warm Throughout the State this Winter
Well Assessment Tool Now Available for Well Inspectors
Changing Methods for Road Salt Application May Ease Environmental Effects
A Mild January in Illinois
Cold, Dry December Ends a Warm Year in Illinois
Widespread Shallow Groundwater Contamination Found in Southwestern Illinois Cave Streams and Springs
ISWS Partners on Project to Help Communities Prepare for Climate Extremes
Farmers Must Adapt to Climate Changes in Illinois
Scientific Models Use Weather Data to Predict State's West Nile Virus Infection Rates
Illinois Groundwater Resources Interactive Map
Thunderstorms Produce Tsunami-like Waves in the Great Lakes
New Homeowners' To-Do List Should Include Well Water Testing
Increased Water Demand Threatens Deep Bedrock Aquifer Water Supplies in Northeastern Illinois
Study Shows McHenry County Water Supplies May Not Suffice in Future
Researchers Track Mercury in Fish from Illinois Streams
The Drought of 2012
Illinois State Water Survey in the News
Groundwater Modeling Efforts Awarded
ISWS Makes an Impact in the Chicago Region
Did you know? - Illinois Weather and Climate Statistics and Trends
Chicago Flood Potential is Higher than Expected
Honors Bestowed on ISWS Staff
Current Climate Conditions in Illinois (State Climatologist)
Global Climate Change: What Will It Mean For Illinois?
Insights to Key Questions About Climate Change (pdf ~620k)
Other documents and information can be found on our General Information page.
Illinois State Water Survey publications may be located using our Publications Search Engine.
The Illinois State Water Survey map series may be found on our Maps page.