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DRAFT URBAN WATER MANAGEMENT PLAN <br />interruption. During a major water outage, available water shall be distributed on <br />an equitable basis, to the extent feasible given physical damage to the regional <br />system. Section 73503. <br />Redwood City, via its membership in BAWUA and in the newly forming Bay Area <br />Water Supply and Conservation Agency, is currently collaborating with San Francisco, <br />neighboring water service areas and with the County of San Mateo Office of Emergency <br />Services in the formulation of the San Francisco Emergency Repair and Response <br />Recovery Plan (ERRP). The draft ERRP is due to the State by June 30, 2003, with a final <br />plan due in September 2003. <br />Another source of outage could occur from hydrologic water shortages such as the 1976- <br />77 and 1987 -92 droughts. The analysis included in the last section factored such droughts <br />into its estimates of reliability. <br />When City water demands exceed SFPUC water supplies, the City must intervene to <br />moderate its demands or acquire supplemental supplies. Although purchasing <br />supplemental supplies is conceptually possible, neighboring water agencies will likely be <br />in similar water shortage conditions and finding willing sellers maybe impossible. Hence, <br />the water shortage contingency plan focuses on mechanisms necessary to reduce water <br />demands to meet balance the supply situation. <br />Table 3.2 summarizes the water shortage contingency plan. It contains five stages <br />successively addressing cutbacks of greater magnitude. The City will largely rely on its <br />Water Allocation Program to allocate maximum water use for its customers during <br />shortages. Customers exceeding their water allocations will face higher water rates, <br />especially during the higher stages of the plan. <br />Table 3.2 <br />__. Water Shortage Contingency Plan <br />Ci Actions <br />blic education and voluntary cutback request <br />=Reduction <br />rchase limited amounts of San Francisco water from <br />needed at perhaps increased prices <br />tback flushing of water distribution mains for <br />water <br />ality purposes <br />2 <br />10 to 20% <br />❑ Aggressive public conservation education and request <br />❑ Acceleration of conservation BMP implementation <br />❑ Water Allocation Program combined with moderate <br />water rate incentives <br />❑ Landscapes using potable water cutback up to 60% <br />❑ Moratorium on new water connections <br />❑ Cutback flushing of water distribution mains for water <br />ualit oses <br />26 <br />