A look inside Deep Tunnel

Chicago’s Deep Tunnel is a massive underground tunnel system that helps protect the region from flooding and wastewater. Beginning in 1975, two generations of workers have helped to build this 100-mile system of tunnels that is not scheduled to be fully completed until 2029.

This month, construction was completed on the Thornton Quarry Reservoir, which will soon go online and be capable of holding 8 billion gallons of water.

“The Deep Tunnel” is an impressionistic look at this underground tunnel system and the people and machines who created it. It was produced by Cynthia Neal and aired on Image Union in 1982. Please enjoy this short excerpt.

Watch the full 15 minute piece as aired on Image Union at Media Burn.

Also check out WBEZ’s stunning photographs of the Thornton Reservoir site.



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