After 30 Years, Deep Tunnel Is Complete

Krohe Jr., James
August 2006
Planning;Aug/Sep2006, Vol. 72 Issue 8, p56
Trade Publication
The article reports on the completion of the Metropolitan Water Reclamation District of Greater Chicago, Illinois after 30 years of building. The tunnel was intended to divert and hold waste-contaminated stormwater through the sanitary-storm sewer system. The system covers 375 miles and serve more than three million people. This system allows much of the water to be held until storm surges pass, and will pumped backed the water to the surface to be treated. According to the U.S. Environmental Protection Agency report in 2004, the combined sewer overflows the most common potential source of untreated human waste in the water supply in nearly 800 cities.


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