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219 <br />however, approximately 4,600 Individual Sewage Treatment Systems are active in the City limits. A <br />map of the ISTS is shown on Figure 57. <br />Population, Household, and Employment ForeaTtz <br />The municipally owned sanitary sewer system provides service to all residents and businesses in the City. <br />The following are the current revisions to the Met Council projections of population, household, and <br />employment forecasts. The City of Ramsey anticipates the following sewer demands, as detailed in Table <br />60. <br />Table 60 — Population, <br />Housing, & Employment Sewer Allocation <br />Forecasts <br />Forecast <br />Component <br />2010 <br />2020 <br />2030 <br />2040 <br />Population <br />Sewered <br />10,615 <br />14,210 <br />19,865 <br />25,900 <br />Unsewered <br />13,053 <br />13,340 <br />13,485 <br />13,250 <br />Households <br />Sewered <br />3,615 <br />5,000 <br />6,850 <br />8,940 <br />Unsewered <br />4,418 <br />4,600 <br />4,650 <br />4,560 <br />Employment <br />Sewered <br />4,304 <br />6,280 <br />7,100 <br />7,640 <br />Unsewered <br />475 <br />620 <br />700 <br />760 <br />Actual and Projected Wastewater Flow <br />Table 61 shows actual and projected average flows for the City's wastewater system, in millions of <br />gallons per day (MGD). The current system has sufficient capacity to meet the demands of population <br />forecasts. <br />According to the Metropolitan Council, regional capacity for North Trott Brook Sewer District can be <br />provided through the existing Regional Disposal System by system capacity improvements. Therefore, <br />a future regional wastewater treatment plant (WWTP) is not being planned at this time. <br />Table 61— <br />Actual and Projected <br />Average Wastewater Flows (MGD) <br />Meter <br />2010 <br />2020 <br />2030 <br />2040 <br />M302 <br />0.54 <br />0.9 <br />1.0 <br />1.2 <br />M304 <br />0.24 <br />0.6 <br />1.0 <br />1.3 <br />Total <br />0.78 <br />1.5 <br />2.0 <br />2.5 <br />Table 62 <br />— System Pipe Capacity at <br />Meter Connection (MGD) <br />City Pipe Capacity <br />30" RCP <br />Met Council Capacity <br />M302 <br />7.5 MGD <br />8.14 MGD <br />M304 <br />9.56 MGD <br />9.97 MGD <br />City of RAMSEY <br />Comprehensive Plan 24 <br />