WTHR
INDIANAPOLIS — Thursday marked the completion of a 14-year project to clean up our rivers.
The DigIndy Tunnel System is one of the largest civil infrastructure projects in the history of Indianapolis. The tunnel is more than 250 feet below the Earth's surface and is designed to capture and treat sewer overflow to keep it from going into local waterways.
More than a decade and $2 billion later, the project is finally complete.
"I have been directly involved every day on this project for the last 12 years, and to see it come to fruition, it's almost not real yet," manager of the DigIndy capital program at Citizens Energy Group, Mike Miller, said.
The tunnel system is essentially a big storage tank hundreds of feet beneath the city, collecting more than 250 million gallons of overflow eac
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