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9.30.060 Stages for reduction in water use. <br /> A. The following stages of action for reduction in water use depend on the total <br /> amount of water supplied to the city by Zone 7 and the amount of water the city is able to pump <br /> out of the groundwater basin from its own wells. These stages are based on the Urban Water <br /> Management Plan. <br /> REDUCTIONS IN WATER USE <br /> Stage Overall Reduction Voluntary or Mandatory <br /> 1 Up to 20% Voluntary <br /> 2 Up to 20% Mandatory <br /> 3 Up to 35% Mandatory <br /> 4 35%or more Mandatory <br /> 9.30.070 Calculation of customer reduction in water use. <br /> A. When a water shortage is declared with mandatory reductions in water use,the ' <br /> director shall impose the applicable stage of mandatory reduction by calculating customers' <br /> average usage for the same billing period from 1 to 4 prior years, as data is available. If <br /> sufficient historic usage information is not available,the director may base water use allocations <br /> on a combination of the limited historic usage data available,per-capita water use targets, water <br /> usage from similar customer types, and other activity-specific water usage data. <br /> B. Usage of water in excess of a customer's mandatory conservation amount is subject to <br /> excess use penalties in Section 9.30.100. <br /> 9.30.080 Conservation Measures. The following conservation measures are applicable for <br /> normal supply, and the declared water shortage stage(s) indicated: <br /> A. Level:Normal Supply. To protect and preserve the community water supply the elimination <br /> of wasteful water uses is essential at all times, regardless of water supply level. Pleasanton <br /> customers shall observe the following regulations on water use <br /> 1. Use potable water for irrigation of landscape in a manner that does not result in runoff or <br /> excessive flooding on patios, driveways,walkways or streets. <br /> 2. Schedule regular irrigation of lawn and landscape between the hours of 6:00 p.m. and <br /> 9:00 a.m. the following day. Watering is permitted at any hour if a hand-held nozzle or <br /> drip irrigation is used Special landscapes are exempted. <br /> 3. Limit the use of water for washing sidewalks,walkways, driveways, patios, or other <br /> hard-surfaced areas to prevent excessive runoff or waste. <br /> 4. Use water for mobile or machinery washing,preferably from a hose equipped with a <br /> shutoff nozzle, in a manner that does not result in excessive runoff or waste. <br /> 5. Repair potable water leaks from breaks within the customer's plumbing system within <br /> eight hours after customer is notified or discovers the break. <br /> 6. Reduce other interior or exterior uses of water to minimize or eliminate excessive runoff <br /> or waste. <br /> 7. Restaurants are requested to serve water to their customers only when specifically <br /> requested. <br /> B. Level: Stage 1 —Up to 20%Voluntary Reduction. There is sufficient uncertainty concerning <br /> water supplies for this year or in the next few years that it would be prudent to conserve local <br /> water supplies so that these supplies may be used to meet water demands in future years. The <br /> following restrictions shall be applicable during a Stage 1 activation of the water shortage <br /> contingency plan: <br /> l ' <br />