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Mountain House Specific Plan III ....................................................................................................................I...................................................... Currently,a sanitary sewer main line exists in DeAnza Boulevard south of Mascot Boulevard near the northerly boundary of Specific Plan III(Parcel M.Ultimately,the existing 12-inch sewer main in DeAnza Boulevard between Specific Plan III and Mascot Boulevard will need to be paralleled or replaced to provide the equivalent capacity of a 15-inch sewer main By the summer of 2004,a sanitary sewer main line may exist .. in Central Parkway to the south side of Mascot Boulevard.These two sewer main lines are required to be extended southward across Grant Line Road to serve the Specific Plan III area.Both southerly extensions require right-of-way to be obtained from Trimark in order to install the lines. 13.3.3 Implementation Measures a. The wastewater trunk collection system shall be installed at the size and locations shown in Figure 13.1. The detailed design and construction of the facilities shall be in accordance with current MHCSD Development Standards and good engineering practices. b. If in the future there are any revisions to the Land Use Plan,the wastewater generation assumptions,or MHCSD standards,a re-analysis of the trunk collection system shall be performed.The MHCSD will review any changes made to insure that the overall system design continues to meet the minimum requirements of the Master Plan and County Standards. c. All sanitary sewer collection system improvements shall be designed and construction in conformance with the approved or currently amended Sanitary Sewer Collection System Study,this Specific Plan,and adopted MHCSD Development Standards. 13.4 Wastewater Treatment 13.4.1 Master Plan Summary The Master Plan requires that expansion of the wastewater treatment plant be constructed and operational before development exceeds the existing capacity. For Neighborhood F in Specific Plan I,the initial level of treatment was allowed to be secondary level treatment aerated lagoons or other higher-level treatment processes approved by the regulatory agencies.No later than at the buildout of Specific Plan I,a high-volume activated sludge or equivalent treatment process shall be constructed in phases to serve all future community wastewater treatment needs.The aerated lagoons will be replaced by the new facilities.The decommissioned aerated lagoons will serve as storage reservoirs for i the ultimate treatment process. The Master Plan also requires that the feasibility of using reclaimed water for irrigation of the golf course(s) and other public open space areas such as parks be reevaluated as changes in wastewater treatment technology Draft 03/14/05 13-5 ...........................................................................................................................................................................