![The Sny Island Levee System in Illinois is one of 10 levee systems that have exceeded their authorized heights, according to a survey conducted by the Army Corps of Engineers' Rock Island District this year.](https://will.illinois.edu/images/uploads/45513/072417_ec_illinoislevee_01__medium.jpg)
Residents, Environmentalists Fear More Flooding If Illinois Loosens Oversight On High Levees
A growing number of studies indicate that climate change is behind more frequent and intense flooding among Midwestern waterways. But some riverside residents believe there’s a bigger culprit behind the rising Mississippi: high levees.