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IDENTIFIED IMPACT INFRASTRUCTURE AND PUBLIC SERVICES Impact 10 -1: Project- Related and Cumulative Municipal Water Service Demand. The project would increase the demand for municipal water service in the project vicinity. Preliminary estimates indicate that the project could generate a demand for approximately 3,500 gallons per minute of emergency fire flow, up to approx. 750,000 gallons of total fire flow volume, approx. 1,550,000 gallons of emergency water storage on- or off -site, and a net increase of approx. 450,000 gallons of domestic water demand (approximately 1.4 acre -feet) per average day, or 500 acre -feet per year. Redwood City already exceeds its contracted allocation of water from the San Francisco Public Utilities Commission (SFPUC) by approximately 1,000 acre-feet annually, and is predicted to exceed its allocation by approximately 2,700 acre -feet annually by 2009. As required by California SB 610, the Redwood City City Council approved the Water Supply Assessment RELATED MITIGATION MEASURE (CONDITION OF APPROVAL) 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. Implementation of the above mitigation measures would reduce project impacts on siltation rates and dredging frequencies and costs to a less - than - significant level. Mitigation 10 -1. As required by State SB 221, prior to City approval of any tentative map or development agreement for the proposed project, the City of Redwood City 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 "best management practices" (BMPs) for water conservation. As required by SB 221, no tentative map or development agreement shall be approved until a 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 Legend. Applicant = project applicant, City = City of Redwood City MONITORING Impl. Type of Impl Entity I Action Applicant/ City Undertake subsequent water supply analysis (City). Comply with current and future water demand perf ormance standards (applicant). VERIFICA'I ION Monitoring 9 and Timing Si nature Date Verification Entity Requirement I 9 City Analysis prior to tentative map/ development agreement approval; compliance throughout life of project Page 45 May 18, 2004 WP9.016451MMCHT.645