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Mr. Michael Grochala <br />April 8, 2020 <br />Page 5 <br /> <br /> <br />K:\015144-000\Admin\Docs\AUAR - Update 2020\Water Wastewater\MEMO - 040820 - Wastewater.docx <br />Table 7 summarizes the projected wastewater characteristics and additional loading for the <br />wastewater that will be generated under Scenario 2. <br /> <br />Table 7. Projected Wastewater Characteristics and Additional Total Average Daily <br />Wastewater Loading for 2020 Scenario 2 <br />Parameter Concentration <br />(mg/L) <br />Average Load <br />(lbs/day) <br />Biochemical Oxygen Demand 220 4,471 <br />Total Suspended Solids 220 4,471 <br />Ammonia –Nitrogen 25 508 <br />Total Phosphorous 8 163 <br /> <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 /> <br />Table 8. Projected Average Daily Flow for 2030 Comp Plan Scenario <br />Land Use Type 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 47.1 2.3 414 19,499 <br />Low Density Mixed Residential 0.0 3.5 630 0 <br />Medium Density Residential 140.6** 5.0 900 126,524 <br />High Density Residential 39.0 7.0 1,260 49,156 <br />Planned Residential / Commercial* 0.0 9.0 1,210 0 <br />Office Residential* 0.0 5.0 850 0 <br />Mixed Use 374.0 2.3 414 154,836 <br />Commercial 293.0** N/A 800 234,369 <br />Business Campus*** 276.8 N/A 800 521,461 <br />Industrial 572.9** N/A 800 458,310 <br />Civic/Institutional 1.0 N/A 600 620 <br />Urban Reserve 820.0 N/A N/A N/A <br />Permanent Rural 361.3 N/A N/A N/A <br />Park & Open Space 824.4 N/A N/A N/A <br />Right-of-Way 4.0 N/A N/A N/A <br />Total 3,754.1 N/A N/A 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 />