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Granby, Carter, Horsetooth capacity data
Boulder's Projected Storage Index 511110) 2010 808723 total capacity
84499 dead storage
(1) 5/1/2010 Contents, Barker+ Watershed, AF 10,617 724224 active capacity
(2) Expected Increase in Storage between 5/1 and 6130, AF 8,184
(3) Maximum projected storage, Barker+ Watershed 18,801 projected to fill completely (sum of decreed contents)
(4) Emergency Storage Reserve 5,000
(5) Actual Granby+Carter+Horsetooth total storage on 5/1 585,272 585,272 Actual Granby+Carter+Horsetooth total storage on 4/28/10
(6) Projected Maximum (May-June) CBT Active Storage 588,338 144,948 Average May-June Granby inflow plus Willow Creek pumped
(7) CBT Carry-Over Water and Windy Gap Water (owned by others) 139,081 68% 4128/2010 SWE % of average, Upper Colorado stations
(8) Maximum (May-June) CBT Common Pool 449,257 98,565 Projected May-June Granby inflow plus Willow Creek pumped
(9) Boulder's 6.78% of CBT common pool 30,460 (11,000) May-June Granby bypass and average evaporation
(10) Boulder's CBT Carryover and Windy Gap water in CBT project 1,000 672,837 Projected max total Gran by+Carter+ H orsetooth (NO SPILL, carryover water stays)
(11) Boulder's portion of max CBT storage, before exchanges .31,460 (84,499) Granby+Carter+Horsetooth dead storage
(12) Boulder's exchanges to storage and to direct use while storing 4,000 588,338 Projected Maximum CBT Active Storage, May 1 - June 30
(assumes all exchanges come from CBT, not Baseline)
(13) Boulder's portion of max CBT storage, after exchanges 27,460 (7) 55,000 carryover + 34,381 regional pool + 49,700 projected June WG account
(14) Usable Mountain Storage (1,000 AF dead storage assumed) 12,8D1
(15) Boulder's Portion of Projected CBT 27,460
(16) Boulder's Unrestrained Demand 18,800
PSI: [(13) + (14)"`40%]/(15) 1.27