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Centerville 2040 Chapter 7:Water Resources <br /> .......................................................................................................... <br /> 11?sert excerpt fiorn Met Co�,Incil letter ol?1/1 here: <br /> The City of Centerville is entirely surrounded by the City of Lino Lakes. Therefore, development <br /> boundaries are well defined. The City is nearing the point of full build-out. Small sections of <br /> undeveloped land in the City's northern, southern and eastern reaches exist, undeveloped at this <br /> time. <br /> Some of these undeveloped parcels contain homesteads served by Individual Sewage Treatment <br /> Systems (ISTS). Less than a dozen of these systems remain within the City limits. The City's code <br /> does not allow subdivision or development without connection to City sewer and water (Chapter <br /> 153.17). City ordinance also does not allow existing ISTS to be replaced as long as connection to <br /> City sewer is feasible. The City also plans to have all residents connected to city water and sewer <br /> services by 2040. <br /> For the small number of existing ISTS, the City employs Anoka County's services for required <br /> inspections. If for some reason, a new ISTS would be the only available form of sewering an <br /> existing parcel, the City would ensure that it was designed and constructed in accordance with <br /> MPCA rule 7080. This is, however, highly unlikely. <br /> By the end of the planning period (2040), the City anticipates full build-out of its undeveloped <br /> areas. The City's existing trunk main and lift station facilities are designed to handle the flow from <br /> these small, remaining areas without further upgrade. Some trunk mains may need minor <br /> extensions to reach the unsewered areas, but no upsizing will be required downstream to <br /> accommodate these developments. <br /> Figure 7-1 shows the City's Sanitary Sewer Collection System including gravity and forcemain <br /> pipes, manholes, lift stations and remaining ISTS. The map also shows schematic representations of <br /> future trunk main extensions to serve undeveloped parcels. <br /> Table 37, below, shows flow estimates from the City based on proposed population growth which <br /> is slightly higher than that projected in the system statement. Land use assumptions, and thus flow <br /> assumptions for 2025 and 2035 are assumed to be a midpoint between other projections (i.e. flow <br /> rate for 2025 is a midpoint between 2020 and 2030), and thus are not shown in the table. <br /> Chapter 7 1 Page 4 <br />