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WATER CONSERVATION PLAN 2008 <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 peak <br />day values for each month, and the annual average in mgd, <br />• The peak -day to annual average was calculated for each month, the average of this <br />value from 2002 to 2006 was the peak -day to annual average factor, <br />• The peak -day was forecasted for each month by applying the peak -day to annual <br />average factor to the forecasted annual average through 2017. <br />Appendix B provides additional detail regarding how the forecasting of daily water <br />demands was calculated. <br />Based on the methodology described above the peak -day water demand in 2017 was <br />estimated as 40 mgd, which is below the current water treatment plant capacity of 50 <br />mgd. Peak -day forecasting results are presented in Figure 5. <br />55.0 <br />50.0 <br />45.0 <br />40.0 <br />35.0 <br />0 30.0 <br />C� <br />25.0 <br />20.0 <br />15.0 <br />10.0 <br />5.0 <br />0.0 <br />Historical and Forecasted Monthly Peak Treated Water Demand <br />Historical - Peak Day (MGD) <br />Forecast - Peak Day (MGD) <br />—a— Historical - Average Month (MGD) <br />f Forecast - Average Month (MGD) <br />— — WTP Capacity= 50 mgd <br />� N N N M M� U-) U-) 0 0 I� I�- M M M M O O M M Ln LIB M M I� M M <br />0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 <br />M M in C) 0 Q�Q�Q�z ca o ca O ca O ca o ca o ;OQOQOQOQO <br />� z� z� z� z� z� <br />Month -Year <br />FIGURE 5 <br />Historical and Forecasted Monthly Peak Treated Water Demand <br />31 <br />