WSP03366

• File Number: 8442.400
• Description: Drought Preparedness
• State: CO
• Basin: Statewide
• Date: 2/1/2001
• Author: Various
• Title: Water Supply and Utilization Report
• Water Supply Pro - Doc Type: Report/Study

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TRANSMOUNTAIN DIVERSIONS ABOVE AVERAGE

Transmountain diversions through Adams Tunnel during January were 133 percent
of average. During January, 32,700 acre-feet of water was brought through
the tunnel. Water year to date (October-January) diversions have been 105
percent of average.

TRANS MOUNTAIN DIVERSION

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January October-January
20.01 Avg ~/ WY 2001 Avg !/
Adams Tun. (KAF) (KAF) % of Avg. (KAF) (KAF) % of Avg
32.7 24.6 133 90.6 86.0 105 .

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!I 30. year average, 1966-1995

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RESERVOIR STORAGE VARIED

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The Lake Granby storage of 382,200 acre-feet on January 31 was 46,700 acr~-
feet above average and 83,400 acre-feet lower than 1 year ago on this date.
Terminal reservoir storage in Carter Lake and Horse tooth Reservoir was 105 and
25 percent of average, respectively.

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Colorado-Big Thompson Project storage water in Lake Granby, Carter Lake, and
Horsetooth was 500,000 acre-feet on January 31 which was 24,000 acre-feet
below average and 62 percent of the total available storage capacity.

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RESERVOIR STORAGE

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Total Storaqe on January 31
2001 2001 2000 1999 1998 1966-95 Total
(KAF) (%of (KAF) (KAF) (KAF) Avg (KAF) . Sto1;'age .
Reservoir Avq) . Cao. (KAF)
Green Mtn 53.7 62 86.2 70.9 107.1 86.0 153.6
L. Granby 382.2 114 465.6 487.2 467.1 335.5 539.8
Horse- 25.5 25 115.0 82.6 150.1 100.4 156.7
tooth
Carter L. 92.3 105 90.5 57.3 100.4 88.1 112.2
Dillon 226.4 101 229.8 237.9 240.2 223.2 254.0
Williams 58.1 110 78.1 77.5 77.1 52.8!1 96.8
Fork
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Project Total storage Water in Lake Granby, Carter Lake, and
Horsetooth Reservoir on January 31
CBT 503.4 I 95 I 671.1 I 627.1 I 717.6 I 524.0 S08.7

(1,000 AF)

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!I 20 year average, 1970-1989.

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