Final Report, 2010 Urban Water Management Plan - Culver City

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6.1.2 Culver City System’s Water Supply ReliabilityTable 6-2 presents water supply projections for imported water sources during a normal year,single-dry year, and multiple-dry years for the Culver City System. The normal-year supplyrepresents the expected supply under average hydrologic conditions, the dry-year supplyrepresents the expected supply under the single driest hydrologic year, and the multiple-dryyear supply represents the expected supply during a period of three consecutive dry years.As described above, imported water supplies from Metropolitan are anticipated to be100 percent reliable and able to meet demands through 2035. Therefore, the imported watersupply projections for a normal water year, single-dry year, and multiple-dry years are taken asthe 2035 projection, which is equivalent to the imported water demand projected for 2035. It isassumed that the single-dry year and multiple-dry year supplies are the same as those for thenormal years because available supplies are sufficient to meet projected demands under allanticipated hydrologic conditionsTable 6-2:Supply Reliability for the Culver City System for Year 2035 in ac-ft/yrSourceNormal WaterYearMultiple-Dry Water YearsSingle-Dry WaterYear Year 1 Year 2 Year 3Imported waterfrom WBMWD6,975 6,975 6,975 6,975 6,975Groundwater 0 0 0 0 0Total 6,975 6,975 6,975 6,975 6,975Percent of Normal 100 100 100 100Notes:1. Table format based on DWR Guidebook Table 28.2. Groundwater APA pumping supply reliability does not include potential groundwater right leases.Table 6-3 lists single-dry year and multiple-dry year periods for imported water supplies. Thesingle-dry year and multiple-dry year periods are based on WBMWD’s analysis on the lowestaverage precipitation for a single year and the lowest average precipitation for a consecutivemultiple-year period, respectively. WBMWD’s estimates suggest that fiscal year (FY) 2009-10represents a normal water year based on average rainfall over the last 100 years. FY 2006-07represents the single-dry year, and the years of FY 2006-07, 2007-08, and 2008-09 representthe driest three consecutive years.Table 6-3:Basis of Water Year DataWater Year Type Base Year(s) Historical SequenceNormal Water Year (3) FY 2009-2010 1910 – 2010Single-Dry Water Year FY 2006-2007 1910 – 2010Multiple-Dry Water Years FY 2006-2009 1910 – 2010Notes:1. Analysis of precipitation data was provided by WBMWD.2. Table format based on DWR Guidebook Table 27.Page 6-4Final 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
6.1.3 Factors Resulting in Inconsistency of SupplyTable 6-4 presents factors that could potentially result in inconsistency of supply for the CulverCity System.Table 6-4:Factors Resulting in Inconsistency of SupplyName of Supply Legal Environmental Water Quality ClimaticWBMWD N/A N/A N/A N/ANotes:1. Table format based on DWR Guidebook Table 29.2. N/A – Not Applicable.6.2 Normal Water Year AnalysisTable 6-5 summarizes the service reliability assessment for a normal water year based on watersupply and water demand projections for the Culver City System.Table 6-5:Comparison of Projected Normal Year Supply and Demand2015 2020 2025 2030 2035Water Supply Total (ac-ft/yr) 6,638 6,730 6,814 6,897 6,975Water Demand Total (ac-ft/yr) 6,638 6,730 6,814 6,897 6,975Difference (supply minus demand) 0 0 0 0 0Difference as Percent of Supply 0% 0% 0% 0% 0%Difference as Percent of Demand 0% 0% 0% 0% 0%Note:Table format based on DWR Guidebook Table 32.6.3 Single-Dry-Year AnalysisTable 6-6 demonstrates the reliability of water supplies to meet projected annual waterdemands for the Culver City System in a single-dry year. WBMWD has determined that theycan meet their projected water demands in a single-dry year, so the projected imported watersupplies are equal to the projected demands.Table 6-6:Comparison of Projected Supply and Demand for Single-Dry Year2015 2020 2025 2030 2035Supply Total (ac-ft/yr) 6,638 6,730 6,814 6,897 6,975Demand Total (ac-ft/yr) 6,638 6,730 6,814 6,897 6,975Difference (supply minus demand) 0 0 0 0 0Difference as Percent of Supply 0% 0% 0% 0% 0%Difference as Percent of Demand 0% 0% 0% 0% 0%Note:Table format based on DWR Guidebook Table 33.Final Report, 2010 Urban Water Management Plan – Culver City Page 6-5Golden State Water Companyg:\adminasst\jobs\2010\1070001.00_gswc-uwmp\09-reports\9.09-reports\2011-08\grp3\gswc_culvercity_2010_uwmp-final.doc
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Table of Contents (cont’d)Chapter
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Table of Contents (cont’d)List of
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Notice of AdoptionA meeting to soli
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Abbreviationsac-ftac-ft/yr or AFYAc
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O&MRHNARTPoperation and maintenance
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DefinitionsChapter 2, Part 2.6, Div
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Chapter 1: Plan Preparation1.1 Back
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¯1%&'( 10%&'( 405MilesImage Source
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1.4 Public Utility Commission 2010
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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
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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 and 48: 3.2.2 Urban Water Use TargetsRetail
Page 49 and 50: 3.3 Projected Water UseGrowth proje
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: • 1999 Water Surplus and Drought
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
Page 99 and 100: Chapter 8: Water Shortage Contingen
Page 101 and 102: Stage III (20 - 35 percent shortage
Page 103 and 104: Possible CatastropheTable 8-3:Summa
Page 105 and 106: In addition to prohibitions, Rule N
Page 107 and 108: Table 8-10:Names of MeasuresObtain
Page 109 and 110: Chapter 9: ReferencesCalifornia Dep
Page 111: Appendix AUrban Water Management Pl
Page 114 and 115: on water management strategies and
Page 116 and 117: supplier will be reviewing the plan
Page 118 and 119: (J) Wholesale agency programs.(K) C
Page 120 and 121: determine that an urban water suppl
Page 122 and 123: sequence for the agency's water sup
Page 124 and 125: WATER CODESECTION 10640-1064510640.
Page 126 and 127: 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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