Tunnel and Reservoir Plan

The Tunnel and Reservoir Plan is a large civil engineering project that aims to reduce flooding in the metropolitan Chicago area, and to reduce the harmful effects of flushing raw sewage into Lake Michigan by diverting storm water and sewage into temporary holding reservoirs. The megaproject is one of the largest civil engineering projects ever undertaken in terms of scope, cost and timeframe. Commissioned in the mid-1970s, the project is managed by the Metropolitan Water Reclamation District of Greater Chicago. Completion of the system is not anticipated until 2029, but substantial portions of the system have already opened and are currently operational. Across 30 years of construction, over $3 billion has been spent on the project.

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Chicago Deep Tunnel; Deep Tunnel; Deep Tunnel Project; TARP
tunnel, water management, megaproject, Metropolitan Water Reclamation District of Greater Chicago, Q30, 

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Location: KML, Cluster Map, Maps,

Frameless

Deep Tunnel (9189642028)

DSC 0788 (14318899962)

Deep Tunnel (14134041008)

DSC 0787 (14318899292)

Aerial view of McCook Reservoir Phase II construction, September 2023

Type	Subtype	Date	Description	Notes	Source
commons	image		Deep Tunnel (9189642028)		Commons
commons	image		DSC 0788 (14318899962)		Commons
commons	image		Deep Tunnel (14134041008)		Commons
commons	image		DSC 0787 (14318899292)		Commons
commons	image		Aerial view of McCook Reservoir Phase II construction, September 2023		Commons