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IV. Reducing Water Use through Public Education Programs: <br />The technical potential for water conservation through public education programs is. <br />estimated to be from 2% of the average annual per capita use (most likely) to 5% <br />(advanced) according to the Water Conservation Guidebook published in 1993 by the <br />American Water Works Association. Below is the resulting calculation: <br />Average annual per capita use for Paris water system = 188.7 gpcd <br />Potential reduction in water use (Most Likely scenario) = (188.7 X 2 %) = 3.77 gpcd <br />Potential reduction in water use (Advanced scenario) = (188.7 X 5 %) = 9.44 gpcd <br />I Technical Potential Savings Range = 3.77 to 9.44 <br />V. Reducing Dry -Year Irrigation Water Use: <br />The TNRCC and TWDB have estimated that the potential savings for reducing dry- <br />year irrigation is between 10.5% (Most likely) to 20% (Advanced) of the dry-year water <br />demand in gpcd. These savings result from xeriscaping (using drought - tolerant, low water <br />demand landscapes) and decreasing watering of tradition landscaping by using efficient <br />watering methods. Below is the resulting calculation for Paris: <br />Paris dry-year demand = 208.1 gpcd <br />Paris average demand = 188.7 gpcd <br />Dry-year irrigation use = dry-year demand - average demand = 208.1 - 188.7 = 19.4 gpcd <br />Potential reduction in water use (Most Likely scenario) = (19.4 X 10.5 %) = 2.04 gpcd <br />Potential reduction in water use (Advanced scenario) = (19.4 X 20 %) = 3.88 gpcd <br />I Technical Potential Savings Range = 2.04 to 3.88 <br />8 <br />