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Final Report, 2010 Urban Water Management Plan - Culver City

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AWWA WLCC <strong>Water</strong> Audit Software: <strong>Report</strong>ing WorksheetCopyright © 2006, American <strong>Water</strong> Works Association. All Rights Reserved.WASv3.0Back to Instructions? Click to access definition<strong>Water</strong> Audit <strong>Report</strong> for: Golden State <strong>Water</strong> Company - <strong>Culver</strong> <strong>City</strong><strong>Report</strong>ing Year: 2008Please enter data in the white cells below. Where possible, metered values should be used; if metered values are unavailable please estimate a value. Indicate this by selectinga choice from the gray box to the left, where M = measured (or accurately known value) and E = estimated.All volumes to be entered as: ACRE-FEET PER YEARWATER SUPPLIEDVolume from own sources: ? 0.000 acre-ft/yrMaster meter error adjustment: ? E 0.000 under-registered acre-ft/yr<strong>Water</strong> imported: ? M 6,291.000 acre-ft/yr<strong>Water</strong> exported: ?.0.000 acre-ft/yrWATER SUPPLIED: 6,291.000 acre-ft/yr.AUTHORIZED CONSUMPTION .Click here: ?Billed metered: ? M 5,953.000 acre-ft/yrfor help using optionBilled unmetered: ? E 50.000 acre-ft/yrbuttons belowUnbilled metered: ? E 5.000 acre-ft/yr Pcnt: Value:Unbilled unmetered: ?.78.638 acre-ft/yr 1.25%AUTHORIZED CONSUMPTION: . 6,086.638 acre-ft/yr.WATER LOSSES (<strong>Water</strong> Supplied - Authorized Consumption) .204.363 acre-ft/yrApparent Losses . Pcnt: Value:Unauthorized consumption: ? 15.728 acre-ft/yr 0.25%Customer metering inaccuracies: ? 121.592 acre-ft/yr 2.00%Systematic data handling errors: ? E 10.000 acre-ft/yrApparent Losses: . 147.319 acre-ft/yrReal Losses .Real Losses = (<strong>Water</strong> Losses - Apparent Losses): .57.043 acre-ft/yrWATER LOSSES: 204.363 acre-ft/yr..NON-REVENUE WATER .NON-REVENUE WATER: . 288.000 acre-ft/yr.SYSTEM DATA . .Use buttons to selectpercentageORvalueLength of mains: ? M 106.0 milesNumber of active AND inactive service connections: ? M 9,820Connection density: . 93 conn./mile mainAverage length of customer service line: ? E 50.0 ft.Average operating pressure: ? M 85.5 psi(pipe length between curbstop and customermeter or property boundary)COST DATA . Total annual cost of operating water system: ? M $6,329,945 $/YearCustomer retail unit cost (applied to Apparent Losses): ? E $40.77 $/100 cubic feet (ccf)Variable production cost (applied to Real Losses): ? M $704.00 $/acre-ft/yrDATA REVIEW - Please review the following information and make changes above if necessary:- Input values should be indicated as either measured or estimated. You have entered:7 as measured values6 as estimated values2 as default valuesIf using a default value (purple cells), leave 'Measured or Estimated' cell blank- <strong>Water</strong> Supplied Data: No problems identified- Unbilled unmetered consumption: No problems identified- Unauthorized consumption: No problems identified- It is important to accurately measure the master meter - you have entered the measurement type as:- Cost Data: No problems identified.PERFORMANCE INDICATORSFinancial IndicatorsOperational Efficiency IndicatorsNon-revenue water as percent by volume: 4.6%Non-revenue water as percent by cost: 42.9%Annual cost of Apparent Losses: $2,616,305Annual cost of Real Losses: $40,158Apparent Losses per service connection per day:13.39 gallons/connection/dayReal Losses per service connection per day*:5.19 gallons/connection/dayReal Losses per length of main per day*: N/AReal Losses per service connection per day per psi pressure:0.06 gallons/connection/day/psi?Unavoidable Annual Real Losses (UARL):85.63 million gallons/year?Infrastructure Leakage Index (ILI) [Real Losses/UARL]:0.22* only the most applicable of these two indicators will be calculatedAWWA <strong>Water</strong> Loss Control Committee <strong>Report</strong>ing Worksheet 1

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