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Image Placeholder ACOMPREHENSIVE SANITARY SEWER PLAN 2040 COMPREHENSIVE PLAN UPDATE DRAFT Dec14-17 for review only 2040 Sanitary Sewer Districts District A Additional trunk sanitary sewer main improvements will be required following the connections of all the existing homes in Sub-districts A1 and A2 that are currently on private septic systems� Additional improvements will also be required if the Oneka Ridge Golf Course is re-developed in the future� Trunk system improvements will include the extension of a 12-inch trunk sanitary sewer from the MCES Interceptor Sewer to the east to serve Sub-district A2 by gravity main� Trunk system improvements for Sub-district A3 include the construction of Trunk Lift Station A3 with a minimum pumping capacity of 425 gpm and the extension of a 10-inch trunk sanitary sewer from Sub-district A2� District D No additional trunk sanitary sewer main improvements will be required following the connections of all the existing homes and possible redevelopment of Sub-district D1 that are currently on private septic systems� However, system improvements required will include the extension of an 8-inch sanitary sewer to the northwest to serve Sub- district D1 by gravity main� This sanitary sewer main will be directed to the existing Lift Station No� 10 prior to entering Sub-district D2 and, ultimately, the MCES interceptor at connection point D1� District E Trunk sanitary sewer main improvements will be required following the possible development of Sub-district E4 and additional sanitary sewer improvements will be required following the development of Sub- districts E5, E6, and E7 that are currently not serviced by the trunk sanitary sewer system� Trunk system improvements will include the construction of new 8-inch sanitary sewers to serve Sub-district E4, as well as the extension of 8-inch sanitary sewers within Sub-district E5 which will be directed to the existing sewer within Sub-district E3� Additional sanitary sewer improvements for Sub-districts E6 and E7 will include the installation of 8-inch sanitary sewer directed to Lift Station No� 4 located in Sub-district E7 prior to entering Sub-district E3 and eventually entering the MCES interceptor at connection point E1� The development and expansion of sewer service into District E will require flows from Sub-districts E4, E6, and E7 to be serviced by Lift Station No. 4. The peak flows generated from these districts are projected to be within the current capacity of Lift Station No� 4� At such a time that development occurs in District V outside of the 2040 MUSA, the trunk sewer main within District E2 along 130th St N would need to be reconstructed to a 42-inch diameter trunk main from Highway 61 to the MCES interceptor� Lift Station No� 4 would need to be reconstructed to a capacity of 9,600 gpm with the addition of a forcemain from the existing lift station location to Highway 61� District G No additional trunk sanitary sewer main improvements will be required following the possible development of Sub-district G1 that is currently not serviced by the trunk sanitary sewer system� To expand sewer service into Sub-district G1, system improvements will be required and include the extension of 8-inch sanitary sewers to the west and south from Sub-district G2 to serve Sub-district G1 by gravity main, which will then outlet to the MCES interceptor at connection point G1�