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LIST OF TABLES <br /> 2.1 User Projections...................................................................................................3 <br /> 2.2 Average Daily Flows ...........................................................................................4 <br /> 2.3 Summary of Projected Flows................................................................................5 <br /> 2.4 Historical Wastewater Loadings ..........................................................................6 <br /> 2.5 Projected Design Loadings...................................................................................7 <br /> 2.6 Summary of Design Parameters............................................................................7 <br /> 2.7 Effluent Discharge Limits.....................................................................................8 <br /> 3.1 Digestion Facilities.............................................................................................13 <br /> 3.2 Evaluation of Existing Treatment Units Summary..........................................14-15 <br /> 5.1 Preliminary Cost Estimates for Liquid Stream Improvements..............................28 <br /> 5.2 Preliminary Cost Estimate for Great River Energy Biosolids Option ...................29 <br /> 5.3 Preliminary Cost Estimate for Heat Drying Biosolids Option ..............................30 <br /> 5.4 Preliminary Cost Estimate for Regionalization Biosolids Option..........................30 <br /> 6.1 Preliminary Cost Estimate for Recommended Improvements ..............................32 <br /> 6.2 Wastewater User Rates ......................................................................................34 <br /> 6.3 Implementation Schedule....................................................................................34 <br /> LIST OF FIGURES <br /> 2.1 Urban Service Area.................................................................................Follows 2 <br /> 2.2 Future Development within the Urban Service Area.................................Follows 2 <br /> 2.3 Future Development outside the Urban Service Area...............................Follows 2 <br /> 2.4 Historical Flow Data ...............................................................................Follows 4 <br /> 3.1 Existing Site Plan ........................................................ ..........................Follows 9 <br /> 4.1 Proposed Site Plan Design Option No. 1 ...............................................Follows 17 <br /> 4.2 Process Flow Diagram Design Option No. 1..........................................Follows 17 <br /> 4.3 Proposed Site Plan Design Option No. 2 ...............................................Follows 20 <br /> 4.4 Biosolids Process Flow Diagram for Great River Energy Option............Follows 25 <br /> 4.5 Biosolids Process Flow Diagram for Heat Drying Option.......................Follows 26 <br /> City of Elk River,Minnesota T12104758 Page iii <br /> Wastewater Treatment Facility Plan Prepared by Bolton&Menk,Inc. <br />