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Mr. Michael Grochala <br /> April 28, 2025 <br /> Page 3 <br /> study area that are already sewered, so these areas have been removed from the areas listed in <br /> Table 2 <br /> Table 2. Projected Average Daily Flow for Scenario 1 <br /> Area Density Flow Average <br /> Land Use Type Assumption Flow <br /> (acres) (units/acre) (gpd/acre) (gpd) <br /> Low Density Sewered Residential 282.6 2.3 414 117,002 <br /> Low Density Mixed Residential 376.9 3.5 630 237,447 <br /> Medium Density Residential 180.5** 5.0 900 162,432 <br /> High Density Residential 39.0 7.0 1,260 49,160 <br /> Planned Residential /Commercial* 89.9 9.0 1,210 108,836 <br /> Office Residential* 139.5 5.0 850 118,567 <br /> Mixed Use 0.0 2.3 414 0 <br /> Commercial 348.9** N/A 800 279,126 <br /> Business Campus*** 624.0 N/A 800 799,182 <br /> Industrial 472.4** N/A 800 377,947 <br /> Civic/Institutional 1.0 N/A 600 620 <br /> Urban Reserve 0.0 N/A N/A N/A <br /> Permanent Rural 358.1 N/A N/A N/A <br /> Park& Open Space 837.5 N/A N/A N/A <br /> Right-of-Way 3.7 N/A N/A N/A <br /> Total 3,754.1 N/A N/A 2,250,319 <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 /> Table 3 summarizes the projected wastewater flow by MCES connection point under Scenario 1. <br /> Note that the flows listed in Table 3 include only additional flows generated within the study area. <br /> Table 3. Projected Additional Regional Wastewater Flow by MCES Connection Point for <br /> Scenario 1 <br /> MCES City Sanitary Average Peak Hourly <br /> Interceptor Sewer District Flow(MGD) Flow(MGD) <br /> 7651 3 0.62 2.11 <br /> 802325 5 1.63 4.73 <br /> Table 4 summarizes the projected wastewater characteristics and additional loading for the <br /> wastewater that will be generated under Scenario 1. <br /> Table 4. Projected Wastewater Characteristics and Additional Total Average Daily <br /> Wastewater Lo ding for Scenario 1 <br /> Parameter Concentration Average Load <br /> (mg/L) (lbs/day) <br /> Biochemical Oxygen Demand 220 4,131 <br /> Total Suspended Solids 220 4,131 <br /> MA027919-00MAdminTocs\Water Wastewater\MEMO Wastewater 2025-02-14 Scenario 3 removed.docx <br /> Page 92 of 240 <br />