WSP12937

• File Number: 8220.100.35
• Description: Colorado River Basin Monthly Content Reports
• Basin: Colorado Mainstem
• Date: 4/29/2005
• Author: Upper Colorado River Commission
• Title: April 2005 report: Content and Power Generation and Streamflow of Selected Colorado River Basin Reservoirs and Tributaries
• Water Supply Pro - Doc Type: Data

To:

From:

Date:

Subject:

UPPER COLORADO
RIVER COMMISSION

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C~orado Water consel'la

355 South 400 East · Salt lake City · Utah 84111 . 801-531-1150 . FAX [phone]
Upper Colorado River Commissioners and Advisers

Staff

April 28, 2005

MONTHL Y CONTENT, POWER GENERATION AND STREAM FLOW OF
SELECTED COLORADO RIVER BASIN RESERVOIRS AND TRIBUTARIES

UPPER BASIN RESERVOIR CONDITIONS

Conditions for selected Colorado River System Reservoirs on March 31, 2005 are shown in Table 1. Data
were obtained from the monthly reservoir summary provided by the Bureau of Rec1amation, Upper
Colorado Regional Office, Water Resources Group. Reservoir storage capacity conditions for March 31.
2005 are also shown below in figure 1.

Table 1
STORAGE
RESERVOIR

Conditions for Colorado River System Reservoirs: March 31. 2005
WATER SURFACE RESERVOIR CHANGE IN LIVE STORAGE LIVE STORAGE
ELEVATION LIVE CONTENT CONTENT CAP AClTY CAP ACITY
(ft.) (1000 a.f.) (1000 a.f.) (1000 a.f.) (%)

Fontenelle 6,474.16 137.70 -10.30 345
Flaming Gorge 6,016.39 2,854.10 68.10 3,749
Blue Mesa 7,467.79 421.00 -39.70 829
Navajo 6,046.24 1,182.00 78.24 1,696
Lake Powell 3,555.90 8,015.20 -249.48 24,322
Upper Basin 12,763.14 -153.14 30,941
Total

39.91%
76.13%
50.78%
69.69%
32.95%
41.25%

100%
80%
60%
40%
20%
0%
Fontenelle

Live Storage Capacity
Conditions March 31, 2005

Hamill,!!! Go'l!C Blue Ml':SiJ

N;n'ajo

uke J'owdl UPl~r Ba.(in
10:"1

IB Live Content

t2] Available Storage I

Figure 1