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<br />December 21, 1999Amended March 20.2000 Draft <br /> <br />B. Future Sanitary Sewer Services <br /> <br />1. Future facilities and flowage <br />Future sewer facilities are expected to serve new commercial, industrial and <br />residential development within existing and future areas of the Metropolitan Urban <br />Services Area (MUSA) boundary. The MUSA boundary is planned to be extended in <br />a westerly direction along Highway 10. The 1991 Comprehensive Sewer Plan <br />illustrates how sewer pipes would be extended to these areas. General locations and <br />routes for potential trunk sanitary sewer pipes are illustrated in Figure VIII.., I. It is <br />intended that individual developments will tie into these trunk lines and that the trunk <br />lines will be built in accordance with the development staging plan as can be seen in <br />Figure V-3. <br /> <br />Future wastewater flowage will be primarily generated in the Mississippi River Sewer <br />District as this is where the bulk of vacant land planned for urban development is <br />located. Infill development will create some additional flowage within the Rum River <br />Sewer District as well. The following tables project future wasterwater flowage for <br />each sewer district by land use category and development stage. These figures <br />represent projections based on when sewer and water services are expected to be <br />extended and correspond with the development staging plan. These figures do not <br />indicate actual development numbers, however, they project wastewater flowage <br />based on the proposed land use plan in order to adequately size the municipal sewer <br />system. <br /> <br />Table VIII-4 Projected Wastewater Flowage due to Bew deyelapmeBts to the year 2020. <br /> <br /> <br />27991 <br /> <br />!cummulative Flows (MGD) <br /> <br />1 I 0.8501 I 1.3551 1.8381 2.3211 <br />Source: City Engineer. Metropolitan Council. HKGi. <br />Note 1: Future MUSA expansions are not anticipated beyond 2015 (see Figure V-3). <br />Note 2: Urban Residential Growth is assumed at 220 units per year with the maiority of new <br />units occurring in the Rum River Sewer District until after 2005. Residential flows are based <br />on an estimated 270 million gallons per day per housing unit. Commercial absorption is <br />estimated at 10 acres per year in the Rum River District and 30 acres per year in the <br />Mississippi River Sewer District. Commercial flows are based on an estimate of 1.300 gallons <br />per day per acres of commercial/industrial/institutional development. <br /> <br />Projections indicate that the City of Ramsey's development projections will likely <br />result in usage of approximately 78% of total capacity of the Metropolitan Waste'.vater <br />Treatment Plant allocated to the City of Ramsey. <br /> <br />Ramsey Comprehensive Plan <br /> <br />Page VIII-3 <br />