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WATER CONSERVATION PLAN 2008 <br />TABLE 10 <br />Historical Rebate Expenses for the City's Water Department <br />Rebate Type 2003 2004 2005 2006 <br />No. of Dishwashers <br />Rebate Amount' <br />Total Rebate Expense to <br />Water Department <br />Estimated Acre -Feet <br />Reduction <br />Water Savings Cost <br />($ /AF) <br />Dishwasher Washer Rebate <br />- - - 48 <br />- - - $50 <br />- - - $1,200 <br />- - - 0.24 <br />- - - $5,000 <br />1 Water Department contributed Y2 of the rebate cost associated with dishwashers <br />and clothes washers. The other half was contributed by the power utility department. <br />Water savings costs were therefore calculated only using the contribution of the <br />Water Department. <br />2 Water savings based on assumptions provided in Appendix D. <br />4.4 Commercial <br />4.4.1 Automated Meter Reading (AMR) <br />Accurate and efficient water use metering has been a priority of the City's for many <br />years. The City has taken steps to improve registering water use with automated <br />meter reading (AMR) systems and meters with leak detection capabilities. The City's <br />Tel Data system has 250 addresses that report meter readings hourly, the Metron <br />system has 20 addresses which send readouts to laptops, and the Neptune system <br />has 2,000 addresses with radio meter readings. Of the Neptune units about 250 are <br />equipped with a program which can detect leaks or backflow at the meter. The City <br />also has a program that regularly inspect its larger meters; half of the meters greater <br />than 3 inches are tested every two years. Meters for large and small commercial <br />customers have been in place since 1983. <br />4.4.2 Commercial and Industrial Process Water <br />Recently the City has started to develop water conservation techniques for small <br />commercial and industrial businesses. The City has been following the development <br />of the potential for a regional ICI (institutional, commercial, and industrial) Study, <br />but there is no indication of when the results of study may be cooperatively <br />initiated. In 2007, the City worked with Partners for Clean Environment to replace <br />dishwashing faucets in 20 restaurants throughout the City. <br />19 <br />