SFPUC Wholesale Customer Water Demand Projections ... - BAWSCA

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Appendix B Summary of Customer-Specific Model Adjustments Wholesale Customer Customer-Specific Adjustments for Model Calibration Redwood City, City of (cont’d.) • The planning staff indicated (based on October 15, 2003 Redwood City memorandum) that only 68 additional single-family units in the City and 281 units outside the City will be built by the year 2020. Other than these 349 new Single-Family accounts, all other future residential housing growth will be in high-density multi-family dwelling units. The predicted number of accounts can be found in the 2003 Redwood City Urban Water Management Plan, Appendix A, page 10. San Bruno, City of • Added in a special pattern of UFW as follows: 2001=14%, 2002=7%, 2003=7.5%, 2004=8%, and 2005=8.5%. • Created synthetic multi-family category based on Census 2000 housing data for the purpose of evaluating multi-family conservation measures. • Lowered the Single-Family Residential use rate because of the removal of some Multi-Family Residential accounts to create the multi-family category. • Used population and employment projections from San Bruno Draft General Plan Update. San Jose, City of (portion of north San Jose) • Demographic data were based on Census 2000 for the City of San Jose; however, the service area being modeled is only a portion of north San Jose. Therefore, the data were adjusted by the approximate percentage of the population that resides within that service area. This percentage was determined from the total service area population provided in the BAWUA survey. • The initial proportions of toilet fixtures and single-family washing machines was adjusted to account for the high penetration of programs run by Santa Clara Valley Water District. Santa Clara, City of • A new water use billing category was added to the model for recycled water. The future (beyond the base year 2001) increase in recycled water use was used to decrease potable water demand in appropriate categories. • The recycled water sales to commercial accounts are much larger than those for other categories in Santa Clara (residential, institutional, or industrial). Also, only the commercial category showed a substantially increasing trend in the historical data. Therefore, all additional recycled water supply was subtracted from future commercial water demand. • A special billing-category account was created for a power plant due to come on line at the end of 2004 in Santa Clara. Average water use for this account was provided by the City. • A special billing-category account was created for new single-family homes. The category was used to allow higher water usage per account for those future homes at rates provided by the City. • The initial proportions of toilet fixtures and single-family washing machines was adjusted to account for the high penetration of programs run by Santa Clara Valley Water District. Skyline County Water District • Demographic data such as household sizes were checked against Census 2000 data for the City of Woodside, which is partially served by the District. B-5
Appendix B Summary of Customer-Specific Model Adjustments Wholesale Customer Customer-Specific Adjustments for Model Calibration Stanford University • Stanford University has special billing categories to reflect the campus as it is not a city, district, or agency. The categories used for Stanford University include; Residential student housing, faculty single-family housing, faculty multi-family housing, medical school occupants, construction projects, commercial space occupants, academic occupants, and athletic facility users. • A special billing-category account called “Lake System Water” was added. The category was used to include the lake water that is used for irrigation purposes on campus. The net effect of this specific change was an increase in the total water demand. Westborough Water District • Demographic data were based on Census 2000 for the City of South San Francisco; however, the service area being modeled is only a portion of that city. Therefore, the data were adjusted by the approximate percentage of the population that resides within that service area. This percentage was determined from the total service area population provided in the BAWUA Annual Survey (BAWUA 2002). ABAG - Association of Bay Area Governments BAWUA - Bay Area Water Users Association CWS - California Water Service (Company) gpd - gallon(s) per day MGD - million gallon(s) per day MID - Municipal Improvement District SFPUC - San Francisco Public Utilities Commission UFW - Unaccounted-for-water UWMP - Urban Water Management Plans B-6
Page 1 and 2:
San Francisco Public Utilities Comm
Page 3 and 4:
List of Tables, Figures, and Append
Page 5 and 6:
List of Tables, Figures, and Append
Page 7 and 8:
Glossary Account Average gal/day/ac
Page 9 and 10:
Executive Summary INTRODUCTION In F
Page 11 and 12:
Section 1 Introduction
Page 13 and 14:
SECTIONONE Introduction retail serv
Page 15 and 16:
SECTIONONE Introduction 1.3 GENERAL
Page 17 and 18:
Section 2 Approach to Developing Wa
Page 19 and 20:
SECTIONTWO Approach to Developing W
Page 21 and 22:
SECTIONTWO Approach to Developing W
Page 23 and 24:
SECTIONTHREE Establishing Base - Ye
Page 25 and 26:
SECTIONTHREE Establishing Base - Ye
Page 27 and 28: SECTIONTHREE Establishing Base - Ye
Page 49 and 50: Section 4 Water Demand Forecasting
Page 51 and 52: SECTIONFOUR Water Demand Forecastin
Page 57 and 58: Section 5 Water Demand Projections
Page 59 and 60: SECTIONFIVE Water Demand Projection
Page 61 and 62: SECTIONFIVE Water Demand Projection
Page 63 and 64: Section 6 References
Page 65 and 66: SECTIONSIX References Hayward, City
Page 67 and 68: Appendix A Description of SFPUC Who
Page 73 and 74: Appendix B Summary of Customer-Spec
Page 75 and 76: Wholesale Customer Estero MID/Foste
Page 77: Wholesale Customer Milpitas, City o
Page 81 and 82: Appendix C1 Alameda County Water Di
Page 83 and 84: 66.0 64.0 62.0 60.0 58.0 56.0 54.0
Page 85 and 86: City of Brisbane Water Service Area
Page 87 and 88: Appendix C3 Burlingame, City of
Page 89 and 90: 5.00 4.95 4.90 4.85 4.80 4.75 4.70
Page 91 and 92: Cal Water Bear Gulch Water Service
Page 93 and 94: Appendix C5 California Water Servic
Page 95 and 96: 18.40 18.20 18.00 17.80 17.60 17.40
Page 97 and 98: Cal Water South San Francisco (SSF)
Page 99 and 100: Appendix C7 Coastside County Water
Page 101 and 102: 4 3.8 3.6 3.4 3.2 3 2.8 2.6 2.4 2.2
Page 103 and 104: City of Daly City Water Service Are
Page 105 and 106: Appendix C9 East Palo Alto, City of
Page 107 and 108: 5.0 4.5 4.0 3.5 3.0 2.5 2.0 City of
Page 109 and 110: Estero Municipal Improvement Distri
Page 111 and 112: Appendix C11 Guadalupe Valley Munic
Page 113 and 114: 1.2 1.0 0.8 0.6 0.4 0.2 0.0 Guadalu
Page 115 and 116: Base Year Average Use and Indoor Pe
Page 117 and 118: Appendix C13 Hillsborough, Town of
Page 119 and 120: 4.00 3.90 3.80 3.70 3.60 3.50 Town
Page 121 and 122: Los Trancos Woods Northern, Blue Oa
Page 123 and 124: Appendix C15 Menlo Park, City of
Page 125 and 126: 5.2 5.0 4.8 4.6 4.4 4.2 4.0 3.8 3.6
Page 127 and 128: Mid Peninsula (Belmont) Water Servi
Page 129 and 130:
Appendix C17 Millbrae, City of
Page 131 and 132:
3.7 3.65 3.6 3.55 3.5 3.45 3.4 3.35
Page 133 and 134:
City of Milpitas Water Service Area
Page 135 and 136:
Appendix C19 Mountain View, City of
Page 137 and 138:
15 14.9 14.8 14.7 14.6 14.5 14.4 14
Page 139 and 140:
North Coast County WD Water Service
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Appendix C21 Palo Alto, City of
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15.5 15.0 14.5 14.0 13.5 City of Pa
Page 145 and 146:
Purissima Hills Water District Serv
Page 147 and 148:
Appendix C23 Redwood City, City of
Page 149 and 150:
14.5 14.0 13.5 13.0 12.5 12.0 11.5
Page 151 and 152:
City of San Bruno Water Service Are
Page 153 and 154:
Appendix C25 San Jose, City of (por
Page 155 and 156:
7 6.9 6.8 6.7 6.6 6.5 6.4 6.3 6.2 6
Page 157 and 158:
City of Santa Clara Water Service A
Page 159 and 160:
Appendix C27 Skyline County Water D
Page 161 and 162:
0.35 0.30 0.25 0.20 0.15 Skyline Co
Page 163 and 164:
Stanford University Water Service A
Page 165 and 166:
Appendix C29 Sunnyvale, City of
Page 167 and 168:
28.0 27.0 26.0 25.0 24.0 23.0 City
Page 169 and 170:
Westborough County Water District S
Page 171 and 172:
Appendix D Summary of SFPUC Wholesa
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Page 175:
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