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City of Pleasanton 2023-2031 (6th Cycle) Housing Element Update Final EIR Errata FirstCarbon Solutions 3-29 https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480022/EIR/4 - Final EIR/21480022 Sec03-00 Errata.docx Pages 3.15-4, Last Paragraph In response to DSRSD-1, the following paragraph has been revised: Recycled Water Source and Supply Tertiary disinfected recycled water is purchased by the City through the DSRSD. The DSRSD sources the recycled water from the RWTF and LWRP facilities facility, routing a portion of the secondary effluent from the RWTF plant to DSRSD’s water recycling plant through DSRSD East Bay Municipal Utility District (EBMUD) Recycled Water Authority (DERWA) facilities. The City maintains the first right to use the secondary effluent produced from wastewater originating from the City’s wastewater collection system for recycling. DSRSD maintains the first right to use secondary effluent produced from the DSRSD collection system for recycling. According to the 2003 DERWA Water Sales Agreement, all recycled water produced by DSRSD is delivered to DERWA for subsequent delivery to the EBMUD and DSRSD water service areas. DSRSD’s tertiary treatment capacity is 16.2 million gallons per day (mgd), while the LWRP can produce up to 6.0 mgd of recycled water. Recycled water is delivered by DERWA on a first come first serve basis.5 The City connects to the DERWA system near the corner of the DSRSD Dedicated Land Disposal site, adjacent to Stoneridge Drive near the DSRSD RWTF. 6 Table 3.15-3 provides the projected recycled water supply from 2020 to 2045. Page 3.15-6, First Paragraph In response to ZONE 7-7, the following paragraph has been revised: Water Infrastructure and Distribution California The California Department of Water Resources pumps State Water Project water from the Sacramento-San Joaquin Delta via the California Aqueduct and conveys it to the Valley via the South Bay Aqueduct. Zone 7 treats this imported water at its Patterson Pass and Del Valle Water Treatment Plants in Livermore, and then sends it to Pleasanton via the Zone 7 Cross Valley and Vineyard Pipelines. Zone 7 also stores water from the State Water Project and from local runoff in the Del Valle Reservoir and uses this water to replenish groundwater supplies through release into the Arroyo del Valle and Arroyo Mocho. Zone 7 also uses this water as a secondary local supply to its two water treatment plants.7 Water is available for storage and release subject to the availability of water deliveries from the State Water Project; there may not be any recharge releases for months or years in drought conditions. Pages 3.15-7, First Paragraph In response to DSRSD-2, the following paragraph has been revised: 5 City of Pleasanton. 2021. 2020 Urban Water Management Plan (2020 UWMP). June. 6 Ibid. 7 City of Pleasanton. 2009. Pleasanton General Plan 2005-2025, Section 14–Subregional Planning Element. July.