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<br />Table 10
<br />Redwood City Water Financing Plan
<br />Estimated Drought Wholesale Potable Water Costs
<br /> 2005/06 2006/07 2007/08 2008/09 2009/10 2010/11 2011/12 2012/13 2013/14 2014/15 2015/16
<br />SFPUC Water Demand & Supply Assurance
<br />Total SFPUC water demand (eel) 5,671,076 5,565,661 5,315,191 5,119,171 4,860,425 4,753,703 4,732,271 4,710,840 4,689,844 4,668,412 4,647,416
<br />Normal year supply assurance (eel) 5,333,051 5,333,051 5,333,051 5,333,051 5,333,051 5,333,051 5,333,051 5,333,051 5,333,051 5,333,051 5,333,051
<br />Normal year supply assurance (AF) 12,243 12,243 12,243 12,243 12,243 12,243 12,243 12,243 12,243 12,243 12,243
<br />Drouaht Allotment Components
<br />1) Contract assurance or 96/97-98/99 avg use (ccf) 5,333,051 5,333,051 5,333,051 5,333,051 5,333,051 5,333,051 5,333,051 5,333,051 5,333,051 5,333,051 5,333,051
<br />2) 1996/97 - 1998/99 average use (eel) 5,332,862 5,332,862 5,332,862 5,332,862 5,332,862 5,332,862 5,332,862 5,332,862 5,332,862 5,332,862 5,332,862
<br />3) Avg purchases for prior 3 years (eel) 5 644 069 5680514 5553319 5517 310 5333341 5098262 4911 100 4782133 4732271 4710985 4689699
<br />Component average 5,436,661 5,448,809 5,406,411 5,394,408 5,333,085 5,254,725 5,192,338 5,149,349 5,132,728 5,125,633 5,118,537
<br />Drought Water Allotment & Use Over Allotmen
<br />Estimated Drouaht Allotment With 20% SFPUC System Cutback
<br />Estimated drought water allotmenf 3,900,000 3,900,000 3,900,000 3,900,000 3,900,000 3,900,000 3,900,000 3,900,000 3,900,000 3,900,000 3,900,000
<br />Percent of total projected SFPUC water demand 69% 70% 73% 76% 80% 82% 82% 83% 83% 84% 84%
<br />City Water Use Over Drouaht Allotment
<br />1st 10% over allotment 390,000 390,000 390,000 390,000 390,000 390,000 390,000 390,000 390,000 390,000 390,000
<br />2nd 10% over allotment 390,000 390,000 390,000 390,000 390,000 390,000 390,000 390,000 390,000 378,412 357,416
<br />Over 20% over allotment 991 076 885 661 635191 439 171 180425 73 703 52271 30 840 9844 Q Q
<br />Total use over drought allotment 1,771,076 1,665,661 1,415,191 1,219,171 960,425 853,703 832,271 810,840 789,844 768,412 747,416
<br />Total water use 5,671,076 5,565,661 5,315,191 5,119,171 4,860,425 4,753,703 4,732,271 4,710,840 4,689,844 4,668,412 4,647,416
<br />SFPUC Drought Rateg2
<br />SFPUC base rate projection (per ccf) $1.02 $1.11 $1.16 $1.27 $1.32 $1.60 $2.04 $2.61 $3.10 $3.46 $3.63
<br />Drouaht rates for water use in excess of allotment
<br />Up to 10% 2 x base rate $2.04 $2.22 $2.32 $2.54 $2.64 $3.20 $4.08 $5.22 $6.20 $6.92 $7.26
<br />10% to 20% 8 x base rate 8.16 8.88 9.28 10.16 10.56 12.80 16.32 20.88 24.80 27.68 29.04
<br />20% and over 10 x base rate 10.20 11.10 11.60 12.70 13.20 16.00 20.40 26.10 31.00 34.60 36.30
<br />SFPUC Wholesale Water Cost (Assuming 20% SFPUC Systemwide Drought
<br />20% conservation 6,788,000 6,638,000 5,341,000 5,449,000 5,133,000 6,085,000 7,723,000 9,836,000 11,631,000 12,922,000 13,496,000
<br />15% conservation 9,388,000 9,222,000 7,544,000 6,566,000 5,759,000 6,690,000 8,456,000 10,723,000 12,625,000 13,966,000 14,522,000
<br />10% conservation 12,280,000 12,311,000 10,251,000 9,167,000 7,069,000 7,451,000 9,421,000 11,953,000 14,079,000 15,581,000 16,209,000
<br />5% conservation 15,173,000 15,400,000 13,333,000 12,233,000 9,635,000 10,381,000 12,904,000 16,084,000 18,609,000 20,206,000 20,620,000
<br />No conservation 18,065,000 18,489,000 16,416,000 15,483,000 12,678,000 13,659,000 16,978,000 21,163,000 24,485,000 26,667,000 27,368,000
<br />1 Based on Interim Water Shortage Allocation Plan, Attachment A-3 Sample Allocation. ~
<br />2 Based on prior SFPUC drought rates.
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<br />BARTLE WELLS ASSOCIATES
<br />F:\Jobs\Redwood City\1921\ \Redwood City Tables 1-13-06\Drought Rates, 1/1312006,3:17 PM
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