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City of Pleasanton 2023-2031 (6th Cycle) Housing Element Update CEQA Findings of Fact and Statement of Overriding Considerations FirstCarbon Solutions 119 Https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480022/FOF/21480022 Pleasanton Housing Element FOF.docx County, and local water conservation requirements and water-efficiency measures. Additionally, all future development would be required to pay fair share fees for infrastructure improvements. Table 3.15-9 on Page 3.15-43 of the Draft Program EIR shows projected water demand by additional growth site type, density class, and expected number of dwelling units for the years 2023, 2025, 2030, 2031, 2035, 2040, and 2045. Table 3.15-10 on Page 3.15-44 of the Draft Program EIR provides the comparison of the water use in 2020 with the projected demand associated with implementation of the Housing Element Update and additional growth against the city’s total water demand projections for 2023, 2024, 2025, 2030, 2035, 2040, and 2045 minus the approximate 20 percent groundwater supply. Zone 7 has conducted studies to determine water supply during a normal, single dry year, and five consecutive year droughts. The 2020 UWMP states that Zone 7 can supply 100 percent of the water demand for the city during all conditions, and the comparison shown below would be unchanged during normal year, single dry year, and multiple dry year conditions. Assuming all the City’s groundwater supply wells are taken out of commission, without the supply being either replaced or restored, there would be a significant projected water supply deficiency for all years reported in this analysis. The deficiency ranges from approximately 12 percent to approximately 30 percent. Without the groundwater supply, there would not be enough water available to account for development consistent with the Housing Element Update and additional growth. In addition, as discussed in the WSA, based on 2020 UWMP reported City water supply and demand values, the decommissioning of all City groundwater wells would create a projected water supply deficiency in the City even without implementation of the Housing Element Update. The City is actively exploring alternative water supply options to account for the loss of groundwater supply. Because of the nature of the water supply deficiency as described above, if all groundwater supply wells are taken out of commission without the supply being replaced or restored, there would be no other mitigation available to reduce this cumulative impact to a less than significant level. Therefore, this cumulative impact would be significant and unavoidable. Future development would be required to follow multiple water reduction policies outlined in the General Plan, Municipal Code, and CAP 2.0 and conform to federal, State, and local policies that would reduce water supply impacts to less than significant levels. Additionally, development would be required to pay fair share fees for infrastructure improvements. New development consistent with the Housing Element Update would be subject, on a project-by-project basis, to independent CEQA review and to implement mitigation, as appropriate. However, as discussed under Impact UTIL-2, development consistent with the Housing Element Update would result in a significant unavoidable impact with respect to water supply and the Housing Element Update’s incremental contribution to the cumulative impact is significant. Accordingly, the City finds that there is no available feasible mitigation and impacts would be significant and unavoidable. (Draft Program EIR, Page 3.15-43–45).