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Centerville 2040 Comprehensive Plan <br /> <br /> <br />Table 42 Local Sanitary Sewer Lift Station and Trunk Main Capacities <br />Facility Capacity Capacity Design Flow <br />(GPM) (MGD) (MGD) <br />Lift Station - 1 100 0.144 0.04 <br />350 0.504 0.26 <br />100 0.144 0.03 <br />530 0.763 0.04 <br />- 3.15 1.63 <br /> <br />Notes: 1) Capacity of lift stations are based on pumping capacity of pump/force main. 2) Capacity of trunk main based <br />4x peaking. <br /> <br />F LOW P ROJECTIONS <br />Table 43, below, shows flow estimates from the City based on proposed population growth <br />which is slightly higher than that projected in the system statement. Land use assumptions, and <br />thus flow assumptions for 2025 and 2035 are assumed to be a midpoint between other <br />projections (i.e. flow rate for 2025 is a midpoint between 2020 and 2030), and thus are not <br />shown in the table. <br />Table 43 - Sewer Flow Based on Future Population Estimates 2000 - 2040 <br />2010** 2020 2030 2040 Change 2010-2040 <br />Total Population <br />Sewered 3,762 4,070 4,185 4,330 568 <br />Unsewered 30 30 15 0 -30 <br />Household Size* 2.88 2.93 2.89 2.89 -0.01 <br />Total Households <br />Sewered 1,304 1,389 1,445 1,500 196 <br />Unsewered 11 11 5 0 -11 <br />Total Employment <br />Sewered 399 530 550 580 181 <br />Unsewered 10 10 10 0 -10 <br /> <br />Justification of the population and employment numbers shown in Table 43 can be found in <br />the land use chapter. Flow projections were derived by assigning 75 gallons per capita per day <br />for residents plus 25 gallons per employee per day working in the City. These assumptions <br />match closely when they are applied to existing population and employment numbers and then <br />compared to actual flow readings. <br /> <br /> Page 90 <br /> <br /> <br />