2010 San Dimas System UWMP - Golden State Water Company

The 10-year averages available for GSWC to select are presented in Table 3-4; and the 5-yearaverages are shown in Table 3-5. The 1997-2006 10-year and 2003-2007 5-year average basedaily gpcd usages of 231 and 227 gpcd were respectively selected.Table 3-4: 10-Year Average Base DailyPer Capita Water Use10-Year PeriodAverage Base Daily PerCapita Water Use (gpcd)1997-2006 2311998-2007 2301999-2008 2302000-2009 2272001-2010 222Table 3-5: 5-Year Average Base DailyPer Capita Water UseAverage Base Daily Per5-Year Period Capita Water Use (gpcd)2003-2007 2272004-2008 2242005-2009 2192006-2010 2123.2.2 Urban Water Use TargetsRetail suppliers must identify their urban water use targets by utilizing one of four compliancemethods identified in SBX7-7. The four urban water use target development methods are asfollows:• Compliance Method 1 – 80 percent of baseline gpcd water use.• Compliance Method 2 – The sum of the following performance standards: indoor residentialuse (provisional standard set at 55 gpcd); plus landscape use, including dedicated andresidential meters or connections equivalent to the State Model Landscape Ordinance(70 percent of reference ETo; plus 10 percent reduction in baseline commercial, industrialinstitutional (CII) water use by 2020.• Compliance Method 3 – 95 percent of the applicable state hydrologic region target asidentified in the 2020 Conservation Plan (DWR, 2010).• Compliance Method 4 – A provisional method identified and developed by DWR through apublic process released February 16, 2011 which aims to achieve a cumulative statewidePage 3-6Final Report, 2010 Urban Water Management Plan – San DimasGolden State Water Companyg:\adminasst\jobs\2010\1070001.00_gswc-uwmp\09-reports\9.09-reports\2011-08\grp2b\gswc_sandimas_2010_uwmp-final.doc