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discussion later in this secnon), changes to the urban service area boundaW <br />should be handled with care. <br /> <br />The urban service area boundary should not be expanded on a speculative <br />basis. The boundary should be expanded only when development wilt occur <br />in a reasonable time after expansion. <br /> <br />The boundary should only be expanded if the City believes that sufficient <br />sewer and water treatment capacity will be available to serve properq~' within <br />the urban service area and the development (and redeveIopment) within the <br />expansion area. The implications on treatment capacity should also be <br />considered with redevelopment projects and changes in land use that wil! alter <br />demands on the utility system. <br /> <br />Sewer Capacity <br /> <br />The capacity of the municipal sanitaz,'y sewer system is an important issue in <br />planning for the future growth of Elk River. The key issues are plant capacity <br />and collection system. <br /> <br />Plant Capacity <br />The current treatment plant has total treatment capaci~ of 3.0 million gallons <br />per day. Howard R. Green Company (city engineer) has estimated the future <br />sewer flows based on the current and proposed land use in the urban service <br />area. The analysis uses existing development and future development resulting <br />from the land use pattern in the Comprehensive Plan to project future <br />wastewater flows. <br /> <br />The analysis estimates that the ultimate development of property within the <br />Urban Service Area consumes 2.64 million gallons per day of plant capaci~. <br />The analysis allocates an additional 0.52 million gallons per day of flow to <br />"inflow and inf'dtration." This flo~v represents water that enters the collection <br />system and treatment plant from non-development sources. The combination <br />of these sources produces a total flow of 3.16 millions gallon per day. <br /> <br />Based on this analysis, wastewater treatment plant capacity becomes a critical <br />issue in future land use planning. The important planning implications include: <br /> <br /> ° The City has sufficient treatment capacity to support the land use <br /> pattern set forth in the Comprehensive Plan. Future changes in form <br /> and density must consider the implications on wastewater treatment. <br /> <br /> · Reaching the 3.0 million gallons per day of treatment capacity will <br /> require improvements to the plant. It is important to have a clear <br /> understanding of the timing and financing of these improvements. <br /> <br /> · The boundary of the Urban Service Area becomes an meaningful Gcror <br /> in guiding growth. The boundary should not be expanded unless <br /> wastewater treatment capacity can be provided. <br /> <br />Building the Future -A Comprehensive Plan for Elk River <br /> <br />Utilities <br /> <br /> <br />