Why has it taken so long to repair the Alton sinkhole?
The Alton sinkhole was still filled with water on Dec. 3, 2025. Joshua Carter/Belleville News-Democrat via St. Louis Public Radio
It’s been 18 months since a giant sinkhole opened beneath a sports complex in Alton, Illinois. It slowly filled up with water and is finally getting drained. We’ll talk about why it took so long and rate the probability of similar calamities in the future.
Guests
Dylan Suttles
Reporter, The Alton Telegraph
Robert Bauer
Principal Engineering Geologist, Illinois State Geological Survey
