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City of Pleasanton 2023-2031 (6th Cycle) Housing Element Update Final EIR Responses to Written Comments FirstCarbon Solutions 2-15 https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480022/EIR/4 - Final EIR/21480022 Sec02-00 Responses to Written Comments_TRACKS.docx Zone 7 Water Agency (Zone 7) Response to ZONE 7-1 The commenter requests clarification on the information provided in Section 3.15, Utilities and Service Systems, Table 3.15-7. Specifically, the commenter wants clarification on whether the City’s Total Projected Water Demand per the 2020 Urban Water Management Plan (2020 UWMP) includes water demand from projects that are not anticipated as part of the Housing Element Update. Table 3.15-7 includes the water demand for the city as anticipated in the 2020 UWMP (i.e., water demand from projects that are not anticipated as part of the Housing Element Update), plus water demand associated with projects developed under the Housing Element Update and additional anticipated growth, as well as existing residential zoned capacity and approved but not yet constructed projects that could result in additional housing within the city. No further response is required. Response to ZONE 7-2 and ZONE 7-3 The commenter requests clarification with respect to per- and polyfluoroalkyl substances (PFAS) and the impact of PFAS on Zone 7’s groundwater supply, especially in relation to meeting the city’s increased water demands in the long-term. The requested clarification is included in Section 3, Errata, of the Final Program EIR. Please refer to Response to MACY-4 for additional information about alternative water supply and the city’s current alternative water supply study. Response to ZONE 7-4 and ZONE 7-5 The commenter provides further clarification regarding Zone 7’s groundwater supply with respect to PFAS . The clarification is included in Section 3, Errata, of the Final Program EIR. Response to ZONE 7-6 The commenter provides further clarification about discussions between the City and Zone 7 regarding groundwater supply and PFAS contamination. The clarification is included in Section 3, Errata, of the Final Program EIR. Response to Zone 7-7 The commenter provides clarifications on Section 3.9, Hydrology and Water Quality, and Section 3.15, Utilities and Service Systems, of the Draft Program EIR. One such clarification is that the Flood Management Plan Phase I and Phase 2 works would supersede the Stream Management Master Plan, as described in Program 3.11, in Water Element, Chapter 8 of the General Plan. This is noted. The clarification with respect to the Flood Management Plan Phase I and Phase II provided in this comment are noted and included in the administrative record as part of the Lead Agency’s review of the Final Program EIR. The other clarifications are also included in Section 3, Errata, of the Final Program EIR.