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St. Anthony 2040 Comprehensive Plan Chapter 7: Sanitary Sewer <br />144 <br /> <br />Projected Wastewater Flows <br />All of the existing sewage flow from the City of St. Anthony is treated at <br />the Metropolitan WWTP in St. Paul. Any growth in sewered population is <br />expected to occur within the existing meter service areas and will be <br />treated at the Metropolitan WWTP as well. <br />Table 4 below lists the 2040 forecasted flow to each MCES interceptor <br />and total flow to the Metropolitan WWTP. The maximum flows given in <br />Table 4 were calculated by applying peak flow factors determined from <br />historical meter flow data for St Anthony. These forecasts are used by the <br />Metropolitan Council to plan for regional sanitary sewer and wastewater <br />treatment improvements. <br />TABLE 7-4: PROJECTED 2040 MCES INTERCEPTOR USE AND TOTAL FLOW <br />Interceptor <br /> 2040 Projected Flow <br />Meter Average <br />Flow (MGD) <br />Max Flow <br />(MGD) <br />1-RV-430 M055A & M055 0.403 3.433 <br />1-MN-302 M104 0.493 6.020 <br />1-MN-303 Unmetered 0.053 0.544 <br />Total <br />(Metro WWTP) 0.950 9.997 <br /> <br />Sewage from both the M055 and M055A sewer service areas flows into <br />interceptor 1-RV-430. The future development anticipated by 2040 in the <br />M055 sewer service area includes a high density residential area near the <br />Silver Lake Village on Stinson Rd and a medium density residential area <br />located just west of Mirror Lake on Foss Rd. No future developmnent in <br />the M055A sewer service area is anticipated by 2040. <br />Flows into interceptor 1-MN-302 constitute the largest proportion of <br />sewage produced in St. Anthony, compared to the other two interceptors. <br />Four future developments are anticipated in the M104 sewer service area: <br />three high denisty housing residential developments and one medium <br />density residential development. The largest future development, at <br />Lowry Grove, is located in this region and would flow into interceptor 1- <br />MN-302. <br />The potential development of Lowry Grove would have an impact on <br />projected wastewater flow. A recent environmental assessment