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River Islands Development at Lathrop January 2021 <br /> FINAL River Islands Non-Potable Water Technical Report Rev 2 #6520 <br /> 3.4 Non-Potable Water Peak Month Irrigation Demands Over 8-Hour Irrigation Window <br /> The PMID, over a daily 8-hour irrigation window, is equal to the NPW peak month irrigation demand factors <br /> (see Section 3.3.1), multiplied by the Net NPW Irrigation Area as defined in Section 2.2. Table 3-2 <br /> presents the PMID over a daily 8-hour window for Phase I and II of River Islands, which is estimated to be <br /> 13,827,827 GPD or 9,603 GPM. The PMID could be reduced in the future if portions of the drip irrigation <br /> system are operating during day. <br /> Table 3-2: Peak Month Daily Irrigation Demand Factor Over 8 Hours <br /> Phase I & II <br /> Total Peak Month <br /> Net Area Used Irrigation Peak Month Peak Month <br /> for NPW Demand Irrigation Irrigation <br /> Irrigation Factor Demand Demand <br /> NPW Irrigation Area Type acres GPD/acre (GPD) (GPM) <br /> Drip Irrigation Systems <br /> Town Center 11.87 26,977 320,086 222 <br /> Commercial 39.51 26,977 1,065,901 740 <br /> Open Space- Irrigated 49.13 26,977 1,325,532 921 <br /> Lake Edge Areas 28.65 26,977 772,947 537 <br /> Street Landscape 66.21 26,977 1,786,131 1,240 <br /> Spray Irrigation Systems <br /> Schools 100.49 29,136 2,927,832 2,033 <br /> Parks 193.21 29,136 5,629,398 3,909 <br /> Total 13,827,827 9,603 <br /> Notes <br /> 1. The presented Peak Month Irrigation Demands have been modified to reflect a daily and continuous 8-hour <br /> irrigation window. <br /> 12 <br />