Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 107.63 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 45.38% of Full Pool (24,322,000 af)
| Total inflows for water year 2021: 200,897 acre feet
This is 40.59% of the October 26th average of 494,921 acre feet | Total releases for water year 2021: 535,783 acre feet
This is 7.14% of the minimum required of 7,500,000 acre feet |
| During WY 2021, water storage has fallen by 2,227,531 AF and total outflows have exceeded total inflows by 334,886 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 71.23% of capacity. Click for Details |
| Inflows for WY 2021 are 59.21% of WY 2020
Rivers feeding Lake Powell are running at 71.52% of the Oct 28th avg. Click for Details
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Lake Powell is down -20.92 feet from one year ago. Lake Powell is at low for water year and down 3.46 feet from the high.
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View Acre Feet
Last 14 Measurements
Lake Powell is down -1.81 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Mon, Oct 26, 2020 |
3592.37 |
-0.12 |
11036419 |
5368 |
10862 |
42.0 |
32.0 |
64.0 |
| Sun, Oct 25, 2020 |
3592.49 |
-0.11 |
11047424 |
4105 |
9103 |
75.0 |
39.0 |
66.0 |
| Sat, Oct 24, 2020 |
3592.60 |
-0.14 |
11057518 |
4109 |
10610 |
78.0 |
53.0 |
67.0 |
| Fri, Oct 23, 2020 |
3592.74 |
-0.15 |
11070373 |
3722 |
10729 |
77.0 |
53.0 |
68.0 |
| Thu, Oct 22, 2020 |
3592.89 |
-0.13 |
11084158 |
4601 |
10610 |
83.0 |
54.0 |
68.0 |
| Wed, Oct 21, 2020 |
3593.02 |
-0.15 |
11096113 |
3496 |
10513 |
81.0 |
54.0 |
68.0 |
| Tue, Oct 20, 2020 |
3593.17 |
-0.17 |
11109917 |
2416 |
10442 |
80.0 |
55.0 |
68.0 |
| Mon, Oct 19, 2020 |
3593.34 |
-0.12 |
11125576 |
4948 |
10471 |
85.0 |
56.0 |
68.0 |
| Sun, Oct 18, 2020 |
3593.46 |
-0.13 |
11136638 |
2866 |
8893 |
85.0 |
58.0 |
67.0 |
| Sat, Oct 17, 2020 |
3593.59 |
-0.14 |
11148629 |
4051 |
10586 |
80.0 |
50.0 |
66.0 |
| Fri, Oct 16, 2020 |
3593.73 |
-0.20 |
11161552 |
1050 |
10608 |
75.0 |
52.0 |
67.0 |
| Thu, Oct 15, 2020 |
3593.93 |
-0.12 |
11180029 |
5172 |
10711 |
82.0 |
63.0 |
67.0 |
| Wed, Oct 14, 2020 |
3594.05 |
-0.13 |
11191125 |
4546 |
10592 |
89.0 |
54.0 |
67.0 |
| Tue, Oct 13, 2020 |
3594.18 |
-0.16 |
11203154 |
3529 |
11092 |
84.0 |
53.0 |
68.0 |
| Averages of List |
3593.25 |
-0.14 |
11117759 |
3856 |
10416 |
78.3 |
51.9 |
67.1 |
Averages for October 28th
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3645.70 |
-0.05 |
17120118 |
9561 |
11246 |
65.5 |
44.1 |
64.7 |
| All-Time |
3632.54 |
-0.04 |
15613626 |
9586 |
10430 |
66.8 |
44.6 |
64.7 |
Last 10 October 28th's data records
| DATE MEASURED |
ELEVATION |
CHG vs TODAY |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Mon, Oct 28, 2019 |
3613.20 |
20.83 |
13055104 |
4251 |
10367 |
51.0 |
33.0 |
62.0 |
| Sun, Oct 28, 2018 |
3590.78 |
-1.59 |
10891264 |
6117 |
9090 |
70.0 |
46.0 |
64.0 |
| Sat, Oct 28, 2017 |
3627.24 |
34.87 |
14546050 |
6981 |
9955 |
71.0 |
48.0 |
64.0 |
| Fri, Oct 28, 2016 |
3609.63 |
17.26 |
12693093 |
6226 |
10043 |
70.0 |
55.0 |
66.0 |
| Wed, Oct 28, 2015 |
3606.52 |
14.15 |
12383202 |
8896 |
9963 |
64.0 |
46.9 |
68.0 |
| Tue, Oct 28, 2014 |
3605.75 |
13.38 |
12307264 |
7328 |
9999 |
69.1 |
48.0 |
66.0 |
| Mon, Oct 28, 2013 |
3590.99 |
-1.38 |
10910365 |
8340 |
7847 |
71.1 |
55.9 |
62.0 |
| Sun, Oct 28, 2012 |
3619.66 |
27.29 |
13727250 |
4650 |
8083 |
66.0 |
42.1 |
n/a |
| Fri, Oct 28, 2011 |
3650.51 |
58.14 |
17279284 |
12124 |
15466 |
59.0 |
37.9 |
65.0 |
| Thu, Oct 28, 2010 |
3634.09 |
41.72 |
15315953 |
9725 |
8072 |
57.9 |
35.1 |
n/a |
| Averages of List |
3614.84 |
-0.08 |
13310883 |
7464 |
9889 |
64.9 |
44.8 |
64.6 |
Accessibility of Primitive Launches and Other Sites
As of Monday, October 26th, 2020 where elevation was 3592.37'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Halls Crossing Launch |
3550.00 |
3548.00 |
44.37 Above |
Open and Usable |
| Wahweap |
3558.00 |
3556.00 |
36.37 Above |
Open and Usable |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
16.37 Above |
Open and Usable |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
12.37 Above |
Open and Usable |
| Antelope Point |
3588.00 |
3587.00 |
5.37 Above |
Open and Usable |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
7.63 Below |
Unusable, go to main marinas |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
16.63 Below |
Unusable, go to main marinas |
| Hite Marina |
3650.00 |
3645.00 |
52.63 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
56.63 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
67.63 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
75.63 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
87.63 Below |
Unusable, go to main marinas |
| Blue Notch is unknown and really just shoreline launching at
whatever point feels good. No minimum given except amount of courage it takes to reach this launch. |
Search DB For More Water Data Facts
Measurements are taken at 11:59 pm of the date listed
Temperature data is from Wahweap, AZ
Water temperature data is from wayneswords.com*
CHANGE represents water elevation change from previous day
Units used in each measurement:
Elevation - Feet above sea level
Change - Feet difference over previous measurement
Content - Acre Feet
Inflow - Average Cubic Feet / Second over entire 24 hour period
Outflow - Average Cubic Feet / Second over entire 24 hour period
All Temps - Degrees Farhenheit
The Water Year runs from October 1 to September 30 of the next year
Acre Feet = 1.9835 * Flow CFS
TP = Total Precipitation
Page took 1.642 seconds to create!
Copyright Summit Technologies, Inc.
Water data courtesy of US Bureau of Reclamation
The water year runs from Oct 1 - Sept 30
Since Filled is from 06/22/1980 forward
*Water temp data is provided by Wayne Gustaveson
as measured in the a.m. at the Wahweap docks
*Air temp data is sourced from (Prev 24 Hr Extremes):
Page, AZ Weather
All data is provisional and subject to review and modification
Call 1-800-752-8525 for up-to-date water level infomation
or go to Lake Powell Source Data
USBR Projected Outlook
Current Snowpack Conditions for Upper Colorado Basin
Copyright Summit Technologies, Inc.
1999 - 2020
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