WSP00617

• File Number: 8282.600.40
• Description: Colorado River Annual Operation
• Basin: Colorado Mainstem
• Date: 1/1/1999
• Author: UCRC
• Title: Content and Streamflow of Selected Colorado River Basin Reservoirs and Tributaries
• Water Supply Pro - Doc Type: Publication

RECEIVED
~ UPPER COWRADO AUO 30 1999
l. '~J RIVER COMMISSION ~~

TO: Upper Colorado River Commissioners and Advisers ^" .... 5" St-:
FROM: Everett E. Sunderland, Staff Engineer V'"

DATE: August 27, 1999

SUBJECT: CONTENT AND STREAMFLOW OF SELECTED COLORADO RIVER BASIN
RESERVOIRS AND TRIBUTARlES.

UPPER BASIN RESERVOm CONDITIONS
Conditions for selected Colorado River System reservoirs on July 31, 1999 are shown in Table I.
Data was taken from the monthly reservoir summary provided by the Bureau of Reclamation
Upper Colorado Regional Office Water Resources Group. Reservoir storage capacity conditions
for July 31, 1999 are also shown below in figure I.

Table I.
STORAGE
RESERVOIR

Fontenelk

Flaming Gorge
Blue Mesa

Na.vajo
Lake Powell

Upper Balin Total

Conditions for Colorado River Svstem Reservoirs Julv 31. 1999
WATER SURFACE RESERVOIR CHANGE IN LIVE STORAGE
ELEV ATION LIVE CONTENT CONTENT CAPACITY
(ft.) (1000 a.f.) (1000 a.f.) (1000 a.f)

6,502.77
6,033.38
7.519.21
6.078.93
3,694.04

320.10
3,481.40
828.00
1.60880
23,377.50
29,615,SO

15.40
93.30
35.40
48.30
73.30
265.70

100% I

80% I

60% \

40% I

20% I
. I
0% I
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Conditions July 31, 1999

LIVE STORAGE
CAPACITY
(%)

345
3,749
829
1,696
24,322
30,941

92.78%
92.86%
99.88%
94.86%
96.\2%
95.7~%

BI~
M=

N-)O

Loko
Powell

P1.....
Go""

I mMl Live Content

ED Available Storage I

Figure 1.

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