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<br />l <br />I <br />I <br />i <br /> <br />\ <br />I <br />I <br />I <br /> <br />I <br />( <br />I <br />I <br />! <br /> <br />GOAL <br />LEAK DETECTION AND REPAIR <br /> <br />Conduct a systemwide survey of the distribution system to identify and repair leaks in order to <br />reduce unaccounted for water. <br /> <br />BEST MANAGEMENT PRACTICES <br /> <br />1. <br /> <br />Acceptable percentage of unaccounted for water not more than 10% <br /> <br />Status: As more water is metered. fewer estimates are used in calculating water usage, <br />and the percentage of unaccounted for water continues to decrease. In 1995. unaccounted <br />for water was 9%. This is the first time unaccounted for water has gone below 10%. <br /> <br />American Water Works Association has not adopted an industry standard for unaccounted <br />water. However. it is generally accepted by water professionals throughout the United <br />States that a recommended standard would be 10% (Vickers. Conservation Planning: The <br />New Accountability. I9<J4). <br /> <br />Implementation: Continue to maintain 10% or less unaccounted for water. <br /> <br />2. <br /> <br />Annual leak detection program to identify and repair leaks <br /> <br />Status: An annual leak detection program targeting large transmission lines and older <br />sections of the City is included in the annual budget <br /> <br />Implementation: On-going. <br /> <br />24 <br />