This story was originally published by the Chicago Sun-Times.
<small>Source: Inside Climate News</small>
Science
After a Weekend of Heavy Rains, Chicago’s Deep Tunnel Is Almost Full
Inside Climate News
July 07, 2026
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The massive system of tunnels and reservoirs was built to contain floodwater, protect rivers and Lake Michigan. Now, there’s a risk that suburbs will flood and sewers will overflow into Chicago waterways.
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