11141985 Special Meeting - Laserfiche WebLink

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Dr. Kent Butl er October 21, 1985 Page 3 purposes of this report it is assumed that 1,000 gpm can be withdrawn from each well, provided that the proper well spacing is maintained. The water supply facilities should provide at least enough water to meet the demands of the peak day to prevent the depletion of storage. The supply should also consist of at least two wells to ensure that the water supply can be maintained if one well becomes inoperable. The following well facilities are recommended to serve the entire study area: We 11 s Planning Year LUEs No. Total Capacity(gpm) - 1990 1,898 2 2,000 1995 6,154 6 6,200 2005 14,088 14 14,100 STORAGE In order to meet Texas Department of Health requirements for an "Approved" public water supply, a total of 185 gallons of storage per capita must be provided. Of this amount, at least 55 gallons per capita must be elevated suffi ci ently to maintain system pressures above 35 psi during normal conditions. Ground storage (and pumping) should be located on the opposite side of the system from the elevated storage where practical. The proposed storage facilities for the study area are shown in Figures 2,3, and 4. It is recommended initially that a 100,000 gallon temporary storage tank be built within the Rivergate MUD west of Post Road. As the area develops and provides tax and utility revenues, this tank should be replaced by a 3.0 million gallon (MG) tank adjacent to it. They should have overflow elevations of about 767 feet. These would serve as elevated storage for the Lower Pressure Plane and ground storage for the Upper Pressure Plane and the permanent tank should be sufficient for these needs beyond 1995. To meet the additional growth expected through the year 2005, a second permanent tank with a 2.0 MG capacity should be constructed near the western boundary of the Rivergate MUD. It too would serve as elevated storage for the Lower Pressure Plane and ground storage for the Upper Pressure Plane. Although a 2.0 MG reservoir would meet the storage needs projected through 1995, the 3.0 MG reservoir is recommended for the first site because its location is more effective in meeting the long-term needs of the system. To meet the need for elevated storage in the Upper Pressure Plane, it is recommended that a 0.4 MG elevated tank be built in the vicinity of the southwest corner of the Rivergate MUD. This tank, with an overflow elevation of approximately 905 feet, shoul d be adequate through the year 1995. After that time, it is expected that an additional 0.4 MG tank will be required further west. The 3.0 MG and 2.0 MG reservoirs described above are designed to meet the elevated storage needs of the Lower Pressure Plane. However, when