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<br />I <br />I <br />I <br />I <br />,I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />CHAPTER IV <br /> <br />HATER <br /> <br />A. HATER REQUIREMENTS <br /> <br />There are no master meters on the water supply system and a very few <br />individual customer meters to assist in determining the water consump- <br />tion and needs of the Town. When designing municipal water system <br />improvements, there are typically three different types of water <br />usage figures which are used. They are the average day use, maximum <br />day use, and peak hour use on a per capita basis. <br /> <br />The average day use provides the information necessary to determine <br />the total water requirements to serve the Town on an annual basis. <br />This information is important when determining the total amount of <br />raw water which must be available from the water supply to serve the <br />community. <br /> <br />Maximum day usage is the amount of water that is used or required on <br />a day of maximum use during the year. The maximum day use is normally <br />applicable for determining the total flow requirements from the <br />source of supply, the sizing of treatment facilities, the sizing of <br />storage facilities, and the sizing of transmission mains. <br /> <br />Peak hour usage is the amount of usage for the maximum hourly rate <br />which may occur through a day of heavy usage. The peak hourly usage <br />may typically occur during the breakfast or suppertime hour when <br />maximum use of water is being made by residents. The peak hour usage <br />rate is typically used to determine the capacity and requirements for <br />the distribution system. It is also used in the consideration for <br />sizing of treated water storage. <br /> <br />Because of the lack of metering and records in the Town, estimated <br />usage factors have been determined based on other communities in <br /> <br />IV - 1 <br />