Planning Subsurface Storage-Transport Facilities for Combined Sewer Overflow Control in Cincinnati, Ohio

by Edward H. Burgess, Camp Dresser & McKee, Cincinnati, United States,
Larry A. Roesner, Camp Dresser & McKee, Cincinnati, United States,
Martin M. Umberg, Camp Dresser & McKee, Cincinnati, United States,
Thomas A. Saygers, Camp Dresser & McKee, Cincinnati, United States,



Document Type: Proceeding Paper

Part of: Environmental Engineering

Abstract:

The wastewater collection system in the greater Cincinnati area includes a large area served by a combined sewer system. The combined sewer system drains to the Ohio River and several of its tributary streams and overflows during wet weather at roughly 250 outfall locations. At many locations this occurs with an average frequency of over 60 times per year. A comprehensive plan for improvements to the stormwater and wastewater infrastructure, including improvements to control the impacts of combined sewer overflows (CSOs), has been developed. A number of CSO control alternatives were evaluated, and a variety of approaches is proposed for implementation throughout the system. Overflows at many key outfalls can be controlled by a system of subsurface storage-transport facilities. This paper presents the plan for a system of tunnels and other subsurface facilities developed for the combined sewer system which includes a number of innovative design and funding features.

Subject Headings: Combined sewers | Overflow | Wastewater management | Underground storage | Waste storage | Tunnels | Wastewater treatment | Ohio | United States | Ohio River

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