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12/17/2007 2. Require the applicant to conduct additional analysis utilizing data on the hydraulic geometry of tidal marshes to determine the effect of a reduction in the Redwood Creek tidal prism on the channel geometry (e.g., depth, cross- sectional area) of Redwood Creek through the project reach. If the computations indicate loss of effective depths and channel cross-sections, the applicant shall determine the increased volume and frequency of dredging required to maintain navigability in Redwood Creek. The applicant and the City shall then negotiate to determine an equitable fee structure for project residents to compensate for the additional costs of channel maintenance. Findings: Implementation of the above mitigation measures would reduce project impacts on siltation rates and dredging frequencies and costs to a less-than-significant level. VII. INFRASTRUCTURE AND PUBLIC SERVICES A. Cumulative Municipal Water Service Demand Potential Impact 10-1: The project would increase the demand for municipal water service in the project vicinity. Pursuant to State of California Water Code Section 10910(g)(1), the City Council of the City of Redwood City approved the Water Supply Assessment (WSA) for the Peninsula Park project on February 26,2007. The WSA determined that the City currently has sufficient water, in most years, to meet the projected water demands of the proposed project together with those of its existing customers and the demands of other planned development. However, pursuant to State S8 221, a subsequent water supply assessment must be prepared before project approval/disapproval to determine if the approved WSA is still accurate. Until that determination is made, the anticipated project-related and cumulative demands for water service would represent a potentially significant project and cumulative impact. Mitigation 10-1: As required by State S8 221, prior to City approval of any tentative map or development agreement for the proposed project, the City's Public Works Services Department shall undertake a subsequent water supply analysis, which shall describe the citywide water supply situation at that future time, reflecting progress on current City studies and plans for finding opportunities for water transfers, expanding its recycled water program, and implementing additional II best management practices" (8MPs) for water conservation. As required by S8 221, no tentative map or development agreement shall be approved until a subsequent water supply analysis concludes that sufficient water will be available to serve the proposed project needs. The project applicant shall also be required to comply with all applicable current and future City water demand performance standards, including standards included in the City of Redwood City Urban Water ManaQement Plan, the City's recycled water project, and the City's water conservation program. Findings: The City-approved WSA has concluded that "the City has sufficient water, in most years, to meet the expected future water demands of the project together with those of existing customers and planned future development." Therefore, implementation of this Mitigation Measure 10-1 pursuant to S8 221 is feasible and would reduce this impact to a less- than-significant impact. Atty/Reso/Reso.1772 121707 27 14829 Muff# 613