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City of San Leandro Sewer System Management Plan Volume I Page | 5 The City’s sewer system consists of approximately130 miles of pipe, ranging from 6 inches to 42 inches in diameter, and 13 remote lift stations. The sewers in the City system range in age from new to over 70 years old. The oldest sewers are located in the northeastern portion of the City from the Oakland city limits to Castro Street roughly between the Southern Pacific Railroad and MacArthur Boulevard. This portion includes the downtown area and the oldest residential areas of the City. The City maintains roughly two thirds of the sewers within the City limits, primarily serving the northern portion of the City. The remainder of the City is served by the Oro Loma Sanitary District. The sewage from the City sewer system is conveyed to and treated at the San Leandro Water Pollution Control Plant (WPCP). The treatment plant produces high quality secondary effluent at an average dry weather rate of 4.8 million gallons per day (mgd). An average of approximately 2.5 dry tons of biosolids suitable for recycling are removed from the plant treatment process each day. Section 1 – Goals D.13.(i) Goals: The goal of the SSMP is to provide a plan and schedule to properly manage, operate, and maintain all parts of the sanitary sewer system. This will help reduce and prevent SSOs, as well as mitigate any SSOs that do occur. The goals the City has established are: • To protect public health and the environment through the proper management of the public wastewater collection system; • To professionally manage, operate and maintain all parts of the public wastewater collection system; • To provide a safe work environment for employees; • To eliminate preventable SSOs; • To understand the condition of and to maintain infrastructure to maximize the life of the collection system; • To be a part of the community and be a responsive public agency; • To provide adequate capacity to convey peak flows; • To effectively operate and maintain the collection system to minimize financial impacts on customers; and • To adhere to the components of the SSMP. Also included are the following specific goals: • Conduct a system-wide video inspection of all manholes and gravity mains every seven years 92