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<br />VI-2 <br /> <br />. <br /> <br />The present service population as shown in Section IV is 2,600. The <br /> <br /> <br />average per capita water use per day from the metered flows in March is <br /> <br /> <br />approximately 150 gallons. <br /> <br />The above per capita demand does not include lawn watering which is esti- <br /> <br /> <br />mated below but it does include system leakage. An attempt was made to <br /> <br /> <br />measure the system leakage in March of 1975 by measuring the inflow to the <br /> <br /> <br />system and all known users at 2:00 a.m. when domestic and commercial use <br /> <br /> <br />would be at a minimum. Flows were measured at 2:00 a.m. every day for one <br /> <br /> <br />week at the transmission line lbove Town, the storage tank in the system, <br /> <br /> <br />and at the sewage treatment plant. Toe average flow rates are shown below: <br /> <br />. <br /> <br />Inflow 550 gpm <br />Tank ove rfl ow 280 gpm <br />Stock tanks total 50 gpm <br />Sewage treatment plant 120 gpm <br />Ave rage Leakage 100 gpm or 144,000 gpd <br /> <br />The sewage treatment plant flows were adjusted since approximately 20 per- <br /> <br /> <br />cent of the water customers are not connected to the sewage system and two <br /> <br /> <br />trailer courts that are not served by the water system are connected to the <br /> <br /> <br />sewer system. <br /> <br />The leakage rate shown here is a very rough estimate, but is does appear <br /> <br /> <br />that system leakage is about double an allowabllt leakage rate. <br /> <br />Irrigation water use is estimated based on the lawns and parks within the <br /> <br /> <br />Carbondale water service area. The lotal irrigated area served by the water <br /> <br /> <br />system is approximated at 110 acres. The actual irrigation demand can vary <br /> <br /> <br />from year to year depending upon pre( ipitation and temperature. Monthly re- <br /> <br /> <br />quirements for a dry July or August with no rainfall and high temperatures <br /> <br /> <br />may be 100 percent greater than monthly requirements for these months in <br /> <br /> <br />another year in which rainfall is above normal and temperatures are below <br /> <br />. <br />