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W ODARD
<br /> &CURRAN
<br /> described in the City's 2015 UWMP across the entire service area, including the Project area, to ensure demand does
<br /> not exceed supply.
<br /> Table 24: City of Lathrop Potable Water Demand (Including River Islands)
<br /> During Dry Year Conditions
<br /> Potable Demand' 2020 2025 2030 2035 2040
<br /> Single-Dry Year AFY 2 5,573 7,632 9,157 10,266 11,732
<br /> Multiple-Dry Year AFY 3
<br /> First Year 5,573 7,632 9,157 10,266 11,732
<br /> Second Year 5,573 7,632 9,157 10,266 11,732
<br /> Third Year 5,573 7,632 9,157 10,266 11,732
<br /> Notes:
<br /> 1. Source:City of Lathrop updated demand projections(August 2020)(Appendix B).City demand estimates for the River Islands
<br /> area have been excluded,and projected River Islands Phase1 and Phase 2 potable demands, phased in five-year increments
<br /> through 2040 were then added to the City demand totals.
<br /> 2. Single-dry year demand(AFY)is assumed to be consistent with normal year demand.
<br /> 3. Multiple-dry year demand(AFY)is assumed to be consistent with normal year demand.
<br /> Table 25: City of Lathrop Water Demand (Including River Islands)versus Dry Year Supply
<br /> 2020 2025 2030 2035 2040
<br /> Buildout
<br /> Total Supply' Single-Dry Year AFY 9,790 9,828 9,867 9,907 12,757
<br /> Total Demand-Single-Dry Year(AFY)2 5,573 7,632 9,157 10,266 11,732
<br /> Sufficient Su I ?3 I Single-Dry Year Yes Yes Yes No Yes
<br /> Supply Exceeded By: 0% 0% 0% 4% 0%
<br /> Multiple-Dry Year AFY
<br /> Total Supply' First Year 10,578 10,623 10,668 10,714 14,007
<br /> Second Year 10,747 10,793 10,839 10,887 14,275
<br /> Third Year 10,414 10,457 10,501 10,545 13,746
<br /> Total Demand-Multiple-Dry Year All Years (AFY)2 5,573 7,632 9,157 10,266 11,732
<br /> Multiple-Dry Year
<br /> Sufficient Su I ?3 First Year Yes Yes Yes Yes Yes
<br /> pp y' Second Year Yes Yes Yes Yes Yes
<br /> Third Year Yes Yes Yes Yes Yes
<br /> Supply Exceeded By: 0% 0% 0% 0% 0%
<br /> Notes:
<br /> 1. Source:City of Lathrop 2019 WSMP(EKI,2019),Table 5-12 and Table 5-13.
<br /> 2. Source:City of Lathrop updated demand projections(August 2020)(Appendix B).City demand estimates for the River Islands area have
<br /> been excluded,and projected River Islands Phase1 and Phase 2 potable demands,phased in five-year increments through 2040 were then
<br /> added to the City demand totals.
<br /> 3. If the supply is not sufficient, the City will enact conservation and demand management measures to ensure demand does not exceed
<br /> supply.
<br /> As discussed in Section 2.3.1.1,the SWRCB adopted revisions in December 2018 to the Bay-Delta Plan.The adopted
<br /> changes include increasing flows on the San Joaquin River and its tributaries, including the Stanislaus River, starting
<br /> at 40 percent of unimpaired flow from February to June, with a range of 30 to 50 percent depending on biological
<br /> conditions. Based on preliminary estimates made by SSJID (2016), the 40 percent unimpaired flows criteria would
<br /> Califia(0011533.00) 41 Woodard&Curran, Inc.
<br /> River Islands Phase 2 Development Water Supply Assessment September 2020
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