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Illinois Lakes, Rivers and Water Resources

Illinois Lakes and Rivers Map
Illinois Rivers Shown on the Map:   Big Muddy River, Des Plaines River, Edwards River, Embarras River, Fox River, Green River, Illinois River, Kankakee River, Kaskaskia River, Little Wabash River, Mackinaw River, Mississippi River, Ohio River, Rock River, Sangamon River, Spoon River and Wabas River.

Illinois Lakes Shown on the Map:   Carlyle Reservoir, Crab Orchard Lake, Lake Shelbyville, Lake Springfield, Rend Lake, Senachwine Lake and Upper Peoria Lake.





Illinois Stream and River Levels
Illinois river levels mapThe United States Geological Survey has a number of stream gages located throughout Illinois. These estimate stream levels, discharges and record them over time. This data is published on the web and many stations allow users to plot custom graphs. Get updated Illinois river and stream levels from USGS here.

Illinois Stream and River Level Alerts
Illinois water level alertsThe United States Geological Survey has a system that will send you an email message when flood levels are reached on any steam with USGS gaging equipment that you have selected. Sign up here to recieve Illinois stream and river level alerts.

Illinois Water Publications
Illinois precipitation mapThe United States Geological Survey has a number of publications related to water use and water resources in Illinois. View the water resource publications for Illinois here.



Illinois Drought Map
Illinois drought mapThe United States Geological Survey publishes updated drought maps on their website. There you can view a map that shows where below normal 7-day average stream flow conditions were recently recorded. The maps are updated daily. Get a current Illinois drought map here.

Illinois Precipitation Map
Illinois precipitation mapThe National Atlas Project has precipitation maps for Illinois and other states that you can view online or print for personal use. These maps show the average annual precipitation levels mapped across the state. View and print an Illinois precipitation map here. Precipitation maps prepared by the PRISM Climate Group at Oregon State University and the United States Geological Survey.

Illinois Elevation Map
Illinois elevation mapThe topography of an area determines the direction of stream flow and often is a primary influence on the geographic distribution of precipitation. View a detailed Illinois elevation map.


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