Ord 1987-020 - Laserfiche WebLink

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development to warrant water service in the year 1990. Additional lines will be run from the standpipe on McCarty Lane at the 770 foot contour to connect it to the existing San Marcos water system. This standpipe will be considered as a water source for the study area. The second phase will involve all of the system west of IH-35 and that part of the system close to IH-35 on the east side. These areas are expected to develop sufficiently by 1995 to warrant service. The remaining area of the basin east of IH-35 is not expected to develop until after 1995, therefore it will not be provided water service until phase III. C. Water Supply The Edwards Aquifer extends into the study area and is presently used by the City as the source for all water supply. The yield from existing wells indicates 1,000-1,500 gpm can normally be obtained without excessive drawdov,ll of the aquifer water level. For this report 1,000 gpm Vvill be assumed to be the design yield of new wells. The proposed water supply facilities should be designed to supply peak daily demand. At least two wells should be provided for reliability. Initially the City indicated that they planned to develop a well supply, storage, and pumping site near the inter- section of McCarty Lane and Hunter Road. This location is not permanently set but facilities will be located in this gereral area. This site is to be referred to as Well Site A. It was then decided that additional wells and storage facilities needed to be located within the Lowmans' Ranch development. This was due to the adjusted demand as well as the higher elevations in that secion of the study area. A new development was also considering construction of a well and an additional standpipe at the 770 foot contour on McCarty Lane. These facilities were also incorporated into the ultimate system supply. These locations are well suited to supply water to the study area. JONES a NEuSe: I I I I I I I ) ./ 24