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<br />7A - ATTACHMENT NO.3 <br />Saltworks Proposal- Water Group Summary Report (22 January 2010) Page 22 <br /> <br />As noted above, OMS has subsequently identified the following as the single source of <br />potable supply for the project: <br /> <br />· OMS's rights to "Nickel water" - referenced in the OMS Supply Report (p. 10) <br />is the approach of "acquisition of supplemental supplies, like surface water <br />transfers delivered or wheeled through existing water conveyance <br />infrastructure" as an option to meet future demands. OMS owns water rights <br />for 70 years to approximately 8,400 AFY of reliable surface water supply from <br />the Nickel family which may be able to be transferred through the State Water <br />Project, and/or the SFPUC system to supply the project. This supply option <br />is described in detail in Section 3.8 of this report. <br /> <br />The OMS Supply Report identifies the following sources of non-potable water supply for <br />the project: <br /> <br />· Recycled water - produced at the site or produced by the South Sayside <br />System Authority (SSSA) in quantities to meet all non-potable demands. <br /> <br />· Graywater - for potential use where recycled water is prohibited or where <br />graywater use is preferred, up to 130 AFY. <br /> <br />· Rainwater - to reduce potable water demand and/or reduce stormwater <br />runoff, up to 230 AFY. <br /> <br />Each source is discussed in detail in the following sections, including a description of <br />each source; analysis of OMS's assessment of each source in the OMS Supply Report <br />and through other communications with OMS; availability of the supply source for the <br />Saltworks project; and conclusions based on our analysis. <br /> <br />3.3 Potable Water Supply <br />The OMS Supply Report identifies that a portion of the City's potable supply from the <br />Hetch Hetchy regional water system may be available to the Saltworks project. This <br />section describes this supply and its potential for use by Saltworks. <br /> <br />3.3.1 Description of Existing SFPUC Supply <br /> <br />Redwood City receives all of its potable water from the San Francisco regional water <br />system (also called the Hetch Hetchy system), which is owned and operated by the San <br />Francisco Public Utilities Commission (SFPUC). Entitlements for this regional water <br />system were granted to San Francisco by federal legislation known as the Raker Act of <br />1913. Figure 1 is a map of the San Francisco Regional Water System. (All figures are <br />located at the end of this report). <br /> <br />Redwood City is a member agency of the Say Area Water Supply and Conservation <br />Agency (SAWSCA) which was created by the State legislature in 2003 to represent the <br />collective interests of the 27 agencies that purchase water from the SFPUC's regional <br />system. Figure 2 is a map and listing of the SAWSCA members. SAWSCA has <br />functioned as the contract administrator for the water supply provided by SFPUC to <br />member agencies. In 1984, agencies that were wholesale customers collectively <br />negotiated a "Settlement Agreement and Master Water Sales Contract" with the City and <br /> <br />15 <br />