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12 4.2 Future Water Demand Table 4-2 shows the City’s projected normal year water demands through 2045, which includes a prior version of the Proposed Project, as presented in the City’s 2020 UWMP. These projections are based on anticipated future water demands associated with population and employment projections corresponding to buildout of the City’s 2010 General Plan, as well as other planned projects, including those included in the DTPP Plan-Wide Amendments, that would require a General Plan amendment. The demand projections include active and passive water conservation through 2045. Passive conservation includes water savings from implementation of the current plumbing code for water efficient fixtures. Active conservation includes all of the water conservation programs the City is currently implementing or plans to implement through 2045. The projected increase in demand reflects the increase in water use following the end of the suppressed demands due to the 2015-2016 drought and an accelerated growth in employment due to planned development projects. Table 4-2. Redwood City Projected Future Water Demand – Normal Years (AFY) Type 2020 (Actual) Projected Water Demand 2025 2030 2035 2040 2045 Potable Water 9,852 9,852 9,520 9,623 9,995 10,207 Recycled Water 856 1,286 1,426 1,686 1,701 1,716 Total 10,708 11,138 10,946 11,309 11,696 11,923 Source: Redwood City 2020 UWMP, Table 4-8. 4.3 Dry Year Water Demand As shown in Table 4-1, the City’s 2015 and 2016 demands were significantly lower than the demand in previous years. This reduction in demands occurred in response to the drought and mandated statewide reductions in urban potable water usage. Following the drought, the City updated the stages of action to be taken in response to water supply shortages. The updated stages of action are reflected in the City’s Water Shortage Contingency Plan (WSCP) and are included in Chapter 8 of the City’s 2020 UWMP. The City has also implemented demand management measures with mandatory prohibitions that are in force at all times, as described in Chapter 9 of the City’s 2020 UWMP. The projected future water demand presented in Table 4-2 includes continued implementation of the existing demand management program and is based on future normal hydrologic years. Under dry water year conditions, the City anticipates implementing the demand reduction measures outlined in the WSCP as appropriate to reduce water demands to match the reduction in the supply. However, to be conservative, the City’s 2020 UWMP and this WSA do not assume additional water conservation will occur in single dry or multiple dry years, as compared to normal years, even though additional water conservation is likely to occur during dry years or other water supply shortages, as a result of the City implementing additional water use reduction measures. In addition to being more conservative, this evaluation of unconstrained water demands under dry year conditions also better illustrates the potential supply/demand shortage gap that could ATTY/RESO.0027/CC RESO WATER SUPPLY ASSESSMENT (920 SHASTA) - EXHIBIT A REV: 04-22-25 VR Page 12 of 42