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<br />I <br />I <br />I <br />I <br />I <br /> <br />3. Treated Water Storage Tanks - Three storage tanks represent the storage <br /> <br /> <br />capacity for the water supply system. Table-8 summarizes the basic data for <br /> <br /> <br />these tanks: <br /> <br />I <br /> <br />TABLE 8 <br />STORAGE TANKS DATA <br /> <br />I <br />I <br /> <br />STORAGE TANK IDENTIFICATION <br /> <br />CAPACITY <br />(gallons) <br /> <br />BOTTOM OF TANK ELEVATION <br /> <br />Tank No. 1 <br /> <br />25,000 <br /> <br />8160 <br /> <br />I <br /> <br />Tank No. 2 <br /> <br />50,000 <br /> <br />8320 <br /> <br />I <br /> <br />Tank No, 3 <br /> <br />42,000 <br /> <br />8420 <br /> <br />I <br /> <br />I <br /> <br />The total storage capacity of 117,000 gallons represents 2.9 times the <br />daily production of the pumping rate decreed to the district. However, based <br />on an assumed demand of 80 GPCD, 3.5 persons per residence, and 211 single <br />family residences, the ratio of storage capacity to potential daily demand is <br />only 1.98. A ratio of 3.0 to 3.5 is generally considered to be desirable for <br />similar water supply systems. <br /> <br />I <br /> <br />I <br />I <br />I <br />I <br />I <br /> <br />All three tanks have experienced some type of freezing problems dur1ng tne <br /> <br /> <br />past winter seasons. Tank No. 3 has experienced the most severe freezing prob- <br /> <br /> <br />lems due to its partially shaded location. It has been deformed structurally <br /> <br /> <br />by ice pressures near the top of the tank. <br /> <br />I <br /> <br />-40- <br />