West Side Diversion Tunnel

To relieve stress on its sewer system, reduce overflows and prevent basement backups, the city of Davenport, Iowa, embarked on a project to increase the system’s capacity via a 3.1-mile sanitary sewer. The West Side Diversion Tunnel extends from near the Mississippi River, through various Davenport neighborhoods, to underdeveloped areas in the northwest part of the city. It is designed to reduce overflows and relieve existing overloaded sewers. 

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