2010 San Dimas System UWMP - Golden State Water Company

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Table of Contents (cont’d)Chapter 4: Water Supply ............................................................................. 4-14.1 Water Sources ....................................................................................4-24.2 Purchased Water ................................................................................4-34.3 Groundwater .......................................................................................4-44.3.1 Main San Gabriel Basin Adjudication.......................................4-54.4 Transfers and Exchanges ...................................................................4-84.5 Planned Water Supply Projects and Programs...................................4-84.6 Wholesale Agency Supply Data..........................................................4-94.7 Desalination ......................................................................................4-104.8 Recycled Water Plan ........................................................................4-114.8.1 Coordination ..........................................................................4-124.8.2 Wastewater Quantity, Quality, and Current Uses ..................4-124.8.3 Potential and Projected Use ..................................................4-144.8.4 Optimization and Incentives for Recycled Water Use............4-15Chapter 5: Water Quality............................................................................. 5-15.1 GSWC Measures for Water Quality Regulation Compliance ..............5-15.2 Water Quality Issues...........................................................................5-15.2.1 Surface Water Quality..............................................................5-25.2.2 Groundwater Quality Management..........................................5-25.2.3 Groundwater Quality................................................................5-25.2.4 Distribution System Water Quality ...........................................5-45.3 Projected Water Quality Impacts.........................................................5-5Chapter 6: Water Supply Reliability ............................................................ 6-16.1 Reliability of Supply.............................................................................6-16.1.1 Reliability of Purchased Water from TVMWD ..........................6-16.1.1.1 Metropolitan Supply Reliability ..............................6-26.1.1.2 TVMWD’s Water Supply Reliability .......................6-36.1.2 CIC’s Water Supply Reliability .................................................6-46.1.3 Groundwater Supply Reliability................................................6-46.1.4 San Dimas System’s Water Supply Reliability.........................6-56.1.5 Factors Resulting in Inconsistency of Supply ..........................6-76.2 Normal Water Year Analysis...............................................................6-76.3 Single-Dry-Year Analysis ....................................................................6-86.4 Multiple-Dry-Year Analysis..................................................................6-8Chapter 7:Conservation Program and Demand ManagementMeasures ................................................................................... 7-17.1 Conservation Program Background....................................................7-27.2 Implementation of BMPs/DMMs..........................................................7-47.3 Foundational DMMs............................................................................7-47.3.1 Utility Operations .....................................................................7-47.3.1.1 Conservation Coordinator......................................7-4iiFinal 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
Table of Contents (cont’d)7.3.1.2 Water Waste Prevention........................................7-47.3.1.3 Water Loss Control ................................................7-57.3.1.4 Metering with Commodity Rates for All NewConnections and Retrofit of ExistingConnections...........................................................7-67.3.1.5 Retail Conservation Pricing ...................................7-67.3.1.6 Education...............................................................7-77.3.1.7 Methods Used to Evaluate Effectiveness andWater Savings from Foundational BMPs ...............7-87.4 Programmatic DMMs...........................................................................7-87.4.1 Residential DMMs....................................................................7-97.4.1.1 Residential Assistance Programs ..........................7-97.4.1.2 Landscape Water Surveys.....................................7-97.4.1.3 High-Efficiency Clothes Washers...........................7-97.4.1.4 WaterSense Specification (WSS) Toilets...............7-97.4.1.5 Water Sense Specification for ResidentialDevelopment........................................................7-107.4.1.6 Commercial, Industrial, and InstitutionalDMMs ..................................................................7-107.4.1.7 Large Landscape .................................................7-107.5 SBX7-7 Compliance Approach..........................................................7-107.5.1 Consideration of Economic Impacts.......................................7-12Chapter 8: Water Shortage Contingency Plan ............................................ 8-18.1 Action Stages ......................................................................................8-18.2 Minimum Supply..................................................................................8-38.3 Catastrophic Supply Interruption Plan.................................................8-48.4 Prohibitions, Penalties, and Consumption Reduction Methods...........8-68.5 Revenue Impacts of Reduced Sales...................................................8-88.6 Water-Use Monitoring Procedures....................................................8-10Chapter 9: References................................................................................. 9-1Final 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.dociii
Page 1: Final Report2010 Urban Water Manage
Page 5: Table of ContentsList of Tables....
Page 9 and 10: Table of Contents (cont’d)Table 4
Page 11 and 12: Notice of AdoptionA meeting to soli
Page 13 and 14: Abbreviationsac-ftac-ft/yr or AFYAc
Page 15 and 16: RAPRHNARTPResource Action ProgramsR
Page 17 and 18: DefinitionsChapter 2, Part 2.6, Div
Page 19 and 20: Chapter 1: Plan Preparation1.1 Back
Page 21 and 22: ¯1MilesImage Source: ESRIPath: Z:\
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: 210%&'(·|}þ57Path: Z:\Projects\GS
Page 33 and 34: 2.3 Population, Housing and Employm
Page 35 and 36: 400203400303400203210%&'(4003024012
Page 37 and 38: As concluded from analysis of SCAG
Page 39 and 40: presented in inches in Table 2-3. A
Page 41 and 42: Chapter 3: Water UseSection 10631(e
Page 43 and 44: The customer billing data for the s
Page 45 and 46: Table 3-2:Base Period RangesBase Pa
Page 47 and 48: 20 percent reduction. This method a
Page 49 and 50: 22,000Number of Active Connections2
Page 51 and 52: Water Use (ac-ft/yr)18,00016,00014,
Page 53 and 54: 3.4 Sales to Other AgenciesThere ar
Page 55 and 56: Total Water Demand(ac-ft/yr)21,0001
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GSWC will not deny or conditionally
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Chapter 4: Water SupplyA detailed e
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Table 4-1:Current and Planned Water
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Water-bearing units in the Main San
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Table 4-3:Well Name and CapacityWel
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The Cadiz Project will produce up t
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150,000 ac-ft/yr of desalination ca
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Because the Whittier Narrows and Sa
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Table 4-16:Potential Future Recycle
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Chapter 5: Water QualitySection 106
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water system has been able to compe
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5.3 Projected Water Quality Impacts
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Chapter 6: Water Supply Reliability
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• 2008 Water Supply Allocation Pl
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Some of the key proposed changes th
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Table 6-2:Basis of Water Year DataW
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Table 6-6:Projected Multiple-Dry Ye
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Chapter 7: Conservation Program and
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Table 7-1:CUWCC BMP and UWMP DMMs O
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• Use of potable water which resu
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evenue consisted of 63.1% of San Di
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compliance option water savings tar
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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 8-7:TypeSummary of Actions an
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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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A public hearing to solicit comment
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May 17, 2011Country of Los AngelesR
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San Dimas Community Service Area --
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San Dimas Community Service Area --
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Appendix CCouncil Annual Reports fo
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Agency: Golden State Water Company
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Agency: Golden State Water Company
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Foundation Best Management Practice
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4CUWCC BMP RETAIL COVERAGE REPORT 2
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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 FGroundwater Basin Water R
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Urban Water Management PlanSan Dima
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Urban Water Management PlanSan Dima
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September 1, 2011City of CovinaMich
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September 1, 2011City of San DimasD
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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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2010 San Dimas System UWMP - Golden State Water Company

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