02 ATTACHMENT 1 - Laserfiche WebLink

1839662v3 December 5, 2022 Megan Campbell, Associate Planner City of Pleasanton, Community Development Department P.O. Box 520 Pleasanton, CA 94566 Sent by email: mcampbell@cityofpleasantonca.gov Re: Pleasanton 2023-2031 Housing Element Draft EIR Megan, Zone 7 Water Agency (Zone 7, or Zone 7 of the Alameda County Flood Control and Water Conservation District) has reviewed the referenced document in the context of Zone 7’s mission to "Deliver safe, reliable, efficient, and sustainable water and flood protection services" within the Livermore-Amador Valley. Below are our comments for your consideration. 1. Water Demand Calculations Page 3.15-35, Table 3.15-7 Table 3.15-7 seems to indicate that the water demand associated with the Housing Element Update is included in the City’s 2020 UWMP’s projected water demand. Please confirm / clarify if the City’s Total Projected Water Demand per 2020 UWMP includes water demand from projects that are not in the Housing Element Update. 2. Groundwater Contamination and Water Supply Impact Evaluation Sections 3.9, 3.15 The DEIR identifies a significant unavoidable impact in the areas of Project-level and cumulative water supply, largely associated with the potential decommissioning of the city’s groundwater wells as a result of PFAS groundwater contamination. The DEIR further discloses that unless the supply is either replaced or restored, there would be a significant projected water supply deficiency (between 12% and 30%) for all years in the DEIR. There are several statements in the DEIR in regards to potentially purchasing additional water from Zone 7 to offset those deficiencies (see, e.g. DEIR page 3.15-35, 36). While Zone 7 is committed to supplying the City with necessary supply to the extent water is available, that supply is not guaranteed. The DEIR should include a description of the =21( 3DJHRI