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<br />7A - ATTACHMENT NO.3 <br />Saltworks Proposal- Water Group Summary Report (22 January 2010) Page 6 <br /> <br />3.5.3 Conclusions Regarding Groundwater.......................... ....................... ...... 35 <br />3.6 Graywater and Rainwater Supply....................... ........... ......... ...... ....... ................... 35 <br />3.6.1 Description of Graywater as Source of Supply......................................... 35 <br />3.6.2 Description of Rainwater as Source of Supply.......................................... 36 <br />3.6.3 Unresolved Issues Regarding Graywater and Rainwater.......................... 36 <br />3.6.4 Conclusions Regarding Graywater and Rainwater ...................................37 <br />3.7 Conservation, Recycled Water, and Groundwater Offsets as Sources of Supply.... 37 <br />3.7.1 Description of Concept .............................................................................37 <br />3.7.2 Conclusions Regarding Offsets as Supply................................................ 39 <br />3.8 Proposed Surface Water Transfer.......................................................................... 39 <br />3.8.1 Description of Surface Water Available for Transfer .................................39 <br />3.8.2 DMB's Proposal for the Saltworks ............................................................46 <br />3.8.3 Required Agreements and Approvals....................................................... 48 <br />3.8.4 Uncertainties Regarding the Proposed Water Transfer............................. 50 <br />3.8.5 Preliminary Conclusions about Proposed Water Transfer......................... 55 <br />3.9 Summary of Findings Regarding Water Supply...................................................... 55 <br /> <br />CHAPTER 4 - DOCUMENTS REVIEWED AND OTHER REFERENCES ............................... 58 <br /> <br />LIST OF TABLES <br /> <br />Table 1 - Saltworks Attachment Q Water Demand Projections ................................................ 11 <br />Table 2 - Saltworks Water Demand Comparison .....................................................................12 <br />Table 3 - Saltworks Additional Potable Supply Need............................................................... 19 <br />Table 4 - Summary of Well Logs in the Vicinity of the Saltworks Site....................................... 25 <br />Table 5 - Summary of Hydraulic Analysis for Wells near the Saltworks Site ............................26 <br />Table 6 - Summary of Local Groundwater Quality ...................................................................29 <br />Table 7 - Adequacy of Nickel Water to Meet Saltworks Potable Supply................................... 47 <br /> <br />LIST OF FIGURES (figures are located at the end of the report) <br />Figure 1 - San Francisco Regional Water System <br />Figure 2 - BAWSCA Membership Map <br />Figure 3 - Redwood City Water Service Area <br />Figure 4 - Redwood City Recycled Water Service Area <br />Figure 5 - Saltworks Site and Nearby Wells <br />Figure 6 - Location of Key Water Exchange Facilities <br /> <br />LIST OF ACRONYMS <br />ACWD Alameda County Water District <br />AFY acre-feet per year <br />AWWARF American Water Works Association Research Foundation <br />BAWSCA Bay Area Water Supply and Conservation Agency <br />CDPH California Department of Public Health <br />CEQA California Environmental Quality Act <br />C&I Commercial and Institutional <br />CPUC California Public Utilities Commission <br /> <br />cuft/yr <br /> <br />cubic feet per year <br /> <br />ii <br />