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<br />System Plan Considerations Affecting Your Community <br /> <br />1. Metropolitan Sewer Service <br /> <br />Forecasts: <br /> <br />The forecasts of population, households, employment, and wastewater flows for Rosevil1e <br />as contained in the adopted Water Resources Management Policy Plan are listed below. <br />These forecasts are for sewered development. The sewered housing forecasts were <br />estimated based on SAC data, arumal city reports, current trends and other information <br />relating to your community, The wastewater flows are based on historical wastewater <br />flow data and the projected sewered housing and employment data. <br /> <br />Year 2010 2020 2030 <br />Sewered Ponulation 36,000 37,000 38,300 <br />Sewered Households IS,SOO 16,000 16,SOO <br />Sewered Emolovment 42,4S0 44,700 46,100 <br />Avera"e Annual Wastewater Flow (MOD) 4.47 4.S 4,S4 <br />Allowable Peak Hourlv Flow (MOm 10.73 10.8 10.9 <br /> <br />Table I <br /> <br />The flow projections represent the Council's commitment to a level of service, assuming <br />that the Council's underlying demographic forecasts are maiotained. Adjustments may be <br />required based on verified growth or lack of growth. The city should contact Council staff <br />to discuss any proposed adjustments. Flow projections do not represent an allocation of <br />interceptor capacity except in the event a temporary system constraint occurs. The <br />community must strive to keep its wet weather flows within the allowable peak hourly <br />rate. <br /> <br />At a minimum the Council will reevaluate flow projections every five years. Moreover, <br />the Council will also continue to monitor each city's flow on a continuous basis and note <br />any significant changes. The Council wil1 use these growth and wastewater flow forecasts <br />to plan all future interceptors and treatment work needed to serve your community. The <br />Council will not design future interceptor improvements or treatment facilities to handle <br />peak hourly flows io excess of the allowable rate for your city. Rosevil1e, through its <br />comprehensive planning process, must decide the location and staging of development, <br />and then plan and design its local wastewater collection system to serve this development. <br />If you plan a total wastewater flow from your community in excess ofthe Council's <br />forecasts, your assumptions will be analyzed by the Council for their potential adverse <br />effects on the capacity or operation ofthe metropolitan system. <br /> <br />W- 2 <br />