Evaluation of Sanitary Sewer Collection System Management Approaches and Impact on Water Resources Management
Bocarro, Robert A.
Sample, David J.
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Management of sanitary sewer collection systems is a complex, multifaceted undertaking. Major and even smaller utilities can be responsible for the operation and maintenance of hundreds of miles of sanitary sewers, manholes and pump stations. Because of potential pollutant loading to receiving waters during wet weather events from Sanitary Sewer Overflows (SSOs), many utilities are now focusing on the management of their collection system in a comprehensive manner under so-called Capacity, Management, Operations, and Maintenance (CMOM) type programs. The primary goal of CMOM is to minimize SSOs. This is accomplished by a comprehensive management program, which includes an inventory and sewer system evaluation survey program for establishing the location and condition of the sewer, development of hydraulic models for determination of system capacity, development of Standard Operating Guidelines for better operation of the system, and ongoing repairs and maintenance. This paper describes experience of various programs undertaken within Fulton County, Georgia. A number of programs are evaluated in terms of the key elements and costs of the programs and reduction in impacts on the water resource system.
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