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WATER CONSERVATION PLAN 2008 <br />The total forecasted monthly treated water production (in acre -feet) was also estimated <br />based on a similar procedure to calculate average month production. The following is a <br />brief summary of the methodology used to predict average month water demands: <br />• Annual total treated water demand forecasts (in million gallons) from the previous <br />section were converted to annual average production rates in million gallons per day <br />(mgd), <br />• Daily plant production data was evaluated from 2002 to 2006 to determine the average <br />values for each month, and the annual average in mgd, <br />• The average month to annual average was calculated for each month, the average of <br />this value from 2002 to 2006 was the average month to annual average factor, <br />• The average month was forecasted for each month by applying the average month to <br />annual average factor to the forecasted annual average through 2017. <br />Appendix B provides additional detail regarding how the forecasting of monthly water <br />demands was performed. <br />Based on the methodology described above the total annual treated water demand in 2017 <br />including 8.1 % unaccounted for water and treatment plant efficiency of 94.7% was <br />estimated as 21,080 acre -feet, with a monthly peak of slightly under 3,200 acre -feet. <br />Current water treatment capacity for the City is about 56,000 acre -feet annually. Monthly <br />production forecasting results are presented in the Figure 6. <br />32 <br />