Final Report, 2010 Urban Water Management Plan - Culver City

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Compliance Method 3 Calculation SummaryThe Compliance Method 3 2020 water use target was calculated by multiplying the respectivehydrologic region target by 95 percent. The Culver City System is located in the South Coastregion (Region 4), which has a hydrologic region target of 149 gpcd and a baseline water use of180 gpcd. Ninety-five (95) percent of the Region 4 hydrologic region target results in a 2020water use target of 142 gpcd. Table 3-7 presents the results of the Method 3 calculation:Table 3-7:2020 Water Use Target Method 3 Calculation SummaryDescriptionBaseline2015 InterimTarget2020 ComplianceTargetPer Capita Water Use (gpcd) 163 152 142Percent Reduction N/A 7 13Minimum Compliance Reduction TargetSystems with a 5-year baseline per capita water use of greater than 100 gpcd must calculate aminimum water use reduction, which the 2020 water use target cannot exceed. The minimumwater use reduction compliance target is 95 percent of the 5-year rolling average base daily percapita water use (ending no earlier than December 31, 2007, and no later than December 31,2010). By this method, the minimum 2020 water use target for the Culver City System is 152gpcd, as presented in Table 3-8 below:Table 3-8:Minimum 2020 ReductionDescription5-YrAverage2015 InterimTarget2020 ComplianceTargetMinimum Allowable 2020 Target (gpcd) 160 156 1523.2.3 Interim and Compliance Water Use TargetsThe interim and compliance water use targets are provided per Section 10608.20(e) of the Act.Since both the Method 1 and 3 compliance targets are less than the minimum reduction;compliance Method 3 was selected by GSWC for the Culver City System, As a result, Table 3-9shows the 2020 SBX7-7 compliance target for the Culver City System is 142 gpcd and the 2015interim water use target is 152 gpcd. The implementation plan for achieving these targets isdescribed in Section 4.8, Recycled Water and Chapter 7, Demand Management Measures.Table 3-9:SBX7-7 Water Use Reduction Targets (gpcd)Baseline2015 InterimTarget2020 ComplianceTarget163 152 142Page 3-8Final Report, 2010 Urban Water Management Plan – Culver CityGolden State Water Companyg:\adminasst\jobs\2010\1070001.00_gswc-uwmp\09-reports\9.09-reports\2011-08\grp3\gswc_culvercity_2010_uwmp-final.doc
3.3 Projected Water UseGrowth projections for the number of service connections and volume of water use werecalculated for the year 2015 through 2035, in 5-year increments. Future water demands wereestimated using two different methods, a population-based approach and a historical-trendapproach, in order to present a projection range reflecting the inherent uncertainty in growthtrends. Additionally, demand projections are provided showing a scenario where the Culver CitySystem fully meets water use target reductions by 2020 for comparison to current per capitawater use trends. Detailed descriptions of how the population-based and historical-trendprojections were calculated are provided below.The range established between these two approaches is intended as supplemental information;all connection and demand estimates use the population-based growth rate projections, whichare higher and provide a more conservative estimate of future water use. The historical-trendprojections are provided as ancillary information only.Figure 3-2 shows the historical and projected number of metered service connections for theCulver City System from 1994 through 2035. Figure 3-3 shows the historical and projectedwater use for the Culver City System from 1994 until 2035.10,250Number of Active Connections10,0009,7509,5009,2509,0001990 1995 2000 2005 2010 2015 2020 2025 2030 2035YearHistorical Number of Connections Historical-Trend Projections Population-Based ProjectionsFigure 3-2:Historical and Projected Number of Metered Service ConnectionsFinal Report, 2010 Urban Water Management Plan – Culver City Page 3-9Golden State Water Companyg:\adminasst\jobs\2010\1070001.00_gswc-uwmp\09-reports\9.09-reports\2011-08\grp3\gswc_culvercity_2010_uwmp-final.doc
Page 6 and 7: Table of Contents (cont’d)Chapter
Page 8: Table of Contents (cont’d)List of
Page 11 and 12: Notice of AdoptionA meeting to soli
Page 13 and 14: Abbreviationsac-ftac-ft/yr or AFYAc
Page 15 and 16: O&MRHNARTPoperation and maintenance
Page 17 and 18: DefinitionsChapter 2, Part 2.6, Div
Page 19 and 20: Chapter 1: Plan Preparation1.1 Back
Page 21 and 22: ¯1%&'( 10%&'( 405MilesImage Source
Page 23 and 24: 1.4 Public Utility Commission 2010
Page 25 and 26: 1.6 Plan Adoption and SubmittalPubl
Page 27 and 28: Table 1-2:Summary of UWMP Chapters
Page 29 and 30: Chapter 2: System DescriptionChapte
Page 31 and 32: %&'(10405%&'(Path: Z:\Projects\GSWC
Page 33 and 34: 2.3 Population, Housing and Employm
Page 35 and 36: %&'(10702400702501702502702801%&'(4
Page 37 and 38: As concluded from analysis of SCAG
Page 39 and 40: Table 2-3:Monthly Average Climate D
Page 41 and 42: Chapter 3: Water UseSection 10631(e
Page 43 and 44: System (NAICS) codes. Then, the sor
Page 45 and 46: Table 3-2:Base Period RangesBase Pa
Page 47: 3.2.2 Urban Water Use TargetsRetail
Page 51 and 52: The population-based water use proj
Page 53 and 54: 3.4 Sales to Other AgenciesThere ar
Page 55 and 56: Total Water Demand(ac-ft/yr)8,0007,
Page 57 and 58: GSWC will not deny or conditionally
Page 59 and 60: Chapter 4: Water SupplyA detailed e
Page 61 and 62: 4.2 Imported WaterWBMWD is a large
Page 63 and 64: Table 4-4:Future Water Supply Proje
Page 65 and 66: The WBMWD is also involved in resea
Page 67 and 68: disinfected, secondary effluent (ro
Page 69 and 70: Table 4-15:Comparison of Recycled W
Page 71 and 72: Chapter 5: Water QualitySection 106
Page 73 and 74: 5.2.3 Distribution System Water Qua
Page 75 and 76: Chapter 6: Water Supply Reliability
Page 77 and 78: • 1999 Water Surplus and Drought
Page 79 and 80: 6.1.3 Factors Resulting in Inconsis
Page 81 and 82: Table 6-7:Projected Multiple-Dry Ye
Page 83 and 84: Chapter 7: Conservation Program and
Page 85 and 86: Table 7-1:CUWCC BMP and UWMP DMMs O
Page 87 and 88: • Use of potable water which resu
Page 89 and 90: evenue consisted of 62.8 percent of
Page 91 and 92: There are no direct estimates of wa
Page 93 and 94: amount of water used to wash a stan
Page 95 and 96: 7.4.1.6 Commercial, Industrial, and
Page 97 and 98: However, if the gpcd begins to incr
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Chapter 8: Water Shortage Contingen
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Stage III (20 - 35 percent shortage
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Possible CatastropheTable 8-3:Summa
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In addition to prohibitions, Rule N
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Table 8-10:Names of MeasuresObtain
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Chapter 9: ReferencesCalifornia Dep
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Appendix AUrban Water Management Pl
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on water management strategies and
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supplier will be reviewing the plan
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(J) Wholesale agency programs.(K) C
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determine that an urban water suppl
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sequence for the agency's water sup
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WATER CODESECTION 10640-1064510640.
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WATER CODESECTION 10650-1065610650.
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Appendix BPublic Hearing Notices, N
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June 8, 2011City of Culver CitySol
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Culver City Community Service Area
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No Meeting Minutes were taken since
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4CUWCC BMP RETAIL COVERAGE REPORT 2
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Agency: Golden State Water Company
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4CUWCC BMP RETAIL COVERAGE REPORT 2
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California Urban Water Conservation
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CUWCC BMP COVERAGE REPORT BMP 3 RES
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SOUTHERN CALIFORNIA WATER COMPANY R
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GOLDEN STATE WATER COMPANY Revised
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GOLDEN STATE WATER COMPANY Original
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Appendix EDMM Supporting Documents
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Appendix F(Not Applicable; Appendix
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Urban Water Management PlanCulver C
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Appendix HDocumentation of submitta
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September 1, 2011City of Los Angele
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September 1, 2011County of Los Ange
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Appendix JUrban Water Management Pl
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No. UWMP requirement a Calif. Water
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UWMPlocationPageNumber7.2 7-4a The
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Final Report, 2010 Urban Water Management Plan - Culver City

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