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Mr. Michael Grochala <br />April 8, 2020 <br />Page 5 <br />Table 7 summarizes the projected wastewater characteristics and additional loading for the <br />wastewater that will be generated under Scenario 2. <br />Table 7. Projected Wastewater Characteristics and Additional Total Average Daily <br />Wastewater Loading for 2020 Scenario 2 <br />Parameter <br />Concentration <br />(mg/L) <br />Average Load <br />(lbs/day) <br />Biochemical Oxygen Demand <br />220 <br />4,471 <br />Total Suspended Solids <br />220 <br />4,471 <br />Ammonia —Nitrogen <br />25 <br />508 <br />Total Phosphorous <br />8 <br />163 <br />2030 Comprehensive Plan Scenario <br />The proposed development within the study area for the 2030 Comp Plan Scenario, the assumed <br />wastewater flow for each land use type, and the projected wastewater flow for that development <br />are summarized in Table 8. There are a number of properties within the southern portion of the <br />study area that are already sewered, so these areas have been removed from the areas listed in <br />Table 8. <br />Table 8. Projected Average Daily Flow for 2030 Comp Plan Scenario <br />Land Use Type <br />Area <br />(acres) <br />Density <br />(units/acre) <br />Flow <br />Assumption <br />(gpd/acre) <br />Average <br />Flow <br />(gpd) <br />Low Density Sewered Residential <br />47.1 <br />2.3 <br />414 <br />19,499 <br />Low Density Mixed Residential <br />0.0 <br />3.5 <br />630 <br />0 <br />Medium Density Residential <br />140.E** <br />5.0 <br />900 <br />126,524 <br />High Density Residential <br />39.0 <br />7.0 <br />1,260 <br />49,156 <br />Planned Residential / Commercial* <br />0.0 <br />9.0 <br />1,210 <br />0 <br />Office Residential* <br />0.0 <br />5.0 <br />850 <br />0 <br />Mixed Use <br />374.0 <br />2.3 <br />414 <br />154,836 <br />Commercial <br />293.0** <br />N/A <br />800 <br />234,369 <br />Business Campus*** <br />276.8 <br />N/A <br />800 <br />521,461 <br />Industrial <br />572.9** <br />N/A <br />800 <br />458,310 <br />Civic/Institutional <br />1.0 <br />N/A <br />600 <br />620 <br />Urban Reserve <br />820.0 <br />N/A <br />N/A <br />N/A <br />Permanent Rural <br />361.3 <br />N/A <br />N/A <br />N/A <br />Park & Open Space <br />824.4 <br />N/A <br />N/A <br />N/A <br />Right -of -Way <br />4.0 <br />N/A <br />N/A <br />N/A <br />Total <br />3,754.1 <br />N/A <br />N/A <br />1,564,776 <br />*Assumes 50% residential and 50% commercial development. <br />**Areas for properties within the southern portion of the study area that are already sewered have been <br />removed. <br />***Includes contingency for higher intensity wastewater flow. <br />KA015144-000\Admin\DOCSWUAR -Update 2020\Water Wastewater\MEMO - 040820 - Wastewater.docx <br />