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<br />5. Background characterizing the water system, potential growth and any <br />other pertinent issues that relate to the stated evaluation criteria. <br /> <br />a) Both residential and total per-capita water usage is shown on Table 2. This <br />information was generated from measured City water use data and population <br />information from the Colorado Department of Local Affairs (CDOLA). CDOLA <br />uses Census data as well as research performed by the State Demographer's <br />Office. <br /> <br />b) Population data is also shown on Table 2. Again, Residential was assumed to <br />increase at 100 new taps per year with an average of 2.8 persons per tap. <br /> <br />c) The City's average total per-capita usage over the last four years is 242 <br />gallons per capita per day (gpcd). The City realizes the importance of water <br />conservation, particularly as it grows, and will target a 100/0 reduction in total per- <br />capita use of 218 gpcd over a ten-year planning horizon. <br /> <br />d) The City of Salida is located in Chaffee County and lies in the Gunnison Basin. <br />The Statewide Water Supply Initiative conducted by CWCB identified a 160/0 gap <br />in this basin between future need for water and identified sources to fill that need. <br />Water conservation from the City will go toward filling that gap. <br /> <br />The City of Salida treats water from three different sources. <br /> <br />. Surface water from the South Arkansas River is delivered via the <br />Harrington Ditch and treated at the water treatment plant (WTP) before <br />delivery to the City. <br />. The South Arkansas Gallery System collects shallow groundwater and <br />delivers it to a 1.25-MG reservoir. This water is chlorinated and delivered <br />to the City. <br />. Pasquale Springs provides spring water to a 1-MG storage tank or directly <br />to the municipal system, depending on system pressure. This water is <br />chlorinated before delivery to the City. <br /> <br />The WTP has a production capacity of 1.3 MGD. There are two treated water <br />storage tanks, an old 1-MG tank and a new 1-MG tank at a higher elevation that <br />requires water to be pumped from the plant. Water from the higher tank is <br />gravity fed into the City and serves areas that are at the same or higher elevation <br />as the WTP. The groundwater collected at the galleries is chlorinated and then <br />pumped into the distribution system. The galleries have a production capacity of <br />1.7 MGD. A 1.25-MG reservoir stores the water from the galleries. Pasquale <br />Springs water is chlorinated and then pumped into the distribution system <br />(depending on pressure) or into the 1-MG tank. The capacity of Pasquale <br />Springs is 1 MGD and is used only during the summer irrigation season. <br /> <br />@ Clear Water Solutions, Inc. <br />City of Salida CWCB Planning Grant Application <br /> <br />4 <br />