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Mountain House Specific Plan III <br /> ........................................................................................................................................................................... <br /> CHAPTER THIRTEEN: WASTEWATER COLLECTION <br /> AND TREATMENT <br /> 13.1 Introduction <br /> This chapter summarizes Master Plan provisions related to wastewater collection,treatment and disposal, <br /> and states implementation for Specific Plan III. The treatment facilities will include aerated lagoons, <br /> preliminary treatment,activated sludge, filtration,disinfection, effluent storage, and if necessary, interim <br /> farmland irrigation.All of the land in Specific Plan III undergoing conversion from agricultural to urban <br /> uses will drain by gravity through a backbone collection system to the treatment plant. It is possible that <br /> portions of the existing Grant Line Villages area will have low areas that will require pump stations to lift <br /> sewerage flows into the gravity collection system The design capacity of the treatment facility and all <br /> related components will be 5.40 MGD(average dry weather flow)at buildout.The treatment processes <br /> and facilities will be built in stages appropriate to serve one or more neighborhoods and a balanced <br /> ` amount of industrial/commercial and public uses. <br /> The MHCSD Development Standards were used to provide conceptual planning estimates for Specific <br /> Plan III. <br /> 13.2 Wastewater Generation <br /> 13.2.1 Master Plan Summary <br /> The Master Plan provides a total estimated daily volume of the sewage generated from the community with <br /> and without conservation.The calculation of sewage generated with the use of conservation techniques is not <br /> believed to be conservative and should be verified as the community is developed.The design capacity of the <br /> treatment facilities and all related components will be 5.40 mgd at buildout. <br /> All specific plans except Specific Plan I will include an evaluation/assessment of actual wastewater generation <br /> compared to Master Plan assumptions. In addition,monitoring of sewage generation figures will be carried out <br /> by the MHCSD on a routine basis.Both of these evaluations will be used to determine whether adjustments to <br /> treatment and collection facilities need to be made and how this impacts the schedule of wastewater <br /> improvements and sizing. <br /> If wastewater generation specified in the Master Plan is exceeded for a previous Specific Plan,subsequent <br /> Specific Plans will specify additional actions that would be implemented to achieve reduced wastewater <br /> .. generation. In addition,the Master Plan will be revised,if necessary,prior to approval of Specific Plan III to <br /> i <br /> Draft 03/14/05 13-1 <br /> ........................................................................................................................................................................... <br />