Lake Powell
Lake Powell
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Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 129.36 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 37.66% of Full Pool (24,322,000 af)
| Total inflows for water year 2021: 1,245,352 acre feet
This is 45.16% of the March 5th average of 2,757,772 acre feet | Total releases for water year 2021: 3,555,075 acre feet
This is 47.4% of the minimum required of 7,500,000 acre feet |
During WY 2021, water storage has fallen by 2,197,630 AF and total outflows have exceeded total inflows by 2,309,723 AF |
The 28 tracked reservoirs above Lake Powell are currently at 69.85% of capacity. Click for Details |
Inflows for WY 2021 are 56.49% of WY 2020  
Rivers feeding Lake Powell are running at 61.81% of the Mar 6th avg. Click for Details
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Lake Powell is down -31.65 feet from one year ago. Lake Powell is at low for water year and down 25.19 feet from the high.
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View Acre Feet
Last 14 Measurements Lake Powell is down -2.22 feet over these measurements
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Fri, Mar 05, 2021 |
3570.64 |
-0.14 |
9158907 |
5526 |
11528 |
66.0 |
36.0 |
n/a |
Thu, Mar 04, 2021 |
3570.78 |
-0.09 |
9170270 |
7822 |
11616 |
62.0 |
40.0 |
47.0 |
Wed, Mar 03, 2021 |
3570.87 |
-0.26 |
9177580 |
601 |
11926 |
62.0 |
31.0 |
47.0 |
Tue, Mar 02, 2021 |
3571.13 |
-0.14 |
9198720 |
5596 |
11615 |
57.0 |
27.0 |
47.0 |
Mon, Mar 01, 2021 |
3571.27 |
-0.19 |
9210117 |
3405 |
11648 |
51.0 |
25.0 |
47.0 |
Sun, Feb 28, 2021 |
3571.46 |
-0.20 |
9225599 |
2401 |
11164 |
47.0 |
30.0 |
47.0 |
Sat, Feb 27, 2021 |
3571.66 |
-0.16 |
9241915 |
4974 |
11968 |
51.0 |
34.0 |
47.0 |
Fri, Feb 26, 2021 |
3571.82 |
-0.18 |
9254982 |
-198 |
12147 |
57.0 |
29.0 |
46.0 |
Thu, Feb 25, 2021 |
3572.00 |
-0.30 |
9269697 |
-1286 |
11965 |
50.0 |
34.0 |
46.0 |
Wed, Feb 24, 2021 |
3572.30 |
-0.13 |
9294256 |
7117 |
12798 |
65.0 |
34.0 |
47.0 |
Tue, Feb 23, 2021 |
3572.43 |
-0.14 |
9304912 |
5981 |
12113 |
61.0 |
33.0 |
47.0 |
Mon, Feb 22, 2021 |
3572.57 |
-0.19 |
9316397 |
4128 |
12501 |
55.0 |
31.0 |
47.0 |
Sun, Feb 21, 2021 |
3572.76 |
-0.10 |
9331999 |
6872 |
11225 |
54.0 |
35.0 |
47.0 |
Sat, Feb 20, 2021 |
3572.86 |
-0.21 |
9340217 |
2682 |
11966 |
58.0 |
31.0 |
47.0 |
Averages of List |
3571.75 |
-0.17 |
9249683 |
3973 |
11870 |
56.9 |
32.1 |
46.8 |
Averages for March 6th
AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Since Filled |
3633.72 |
-0.07 |
15713613 |
9462 |
13243 |
60.8 |
37.2 |
49.0 |
All-Time |
3619.18 |
-0.04 |
14513091 |
9747 |
11914 |
59.3 |
35.9 |
49.0 |
Last 10 March 6th's data records
DATE MEASURED |
ELEVATION |
CHG vs TODAY |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Fri, Mar 06, 2020 |
3602.18 |
31.54 |
11959271 |
6193 |
11740 |
67.0 |
40.0 |
48.0 |
Wed, Mar 06, 2019 |
3571.36 |
0.72 |
9217449 |
11296 |
13327 |
68.0 |
45.0 |
48.0 |
Tue, Mar 06, 2018 |
3615.35 |
44.71 |
13276364 |
6100 |
13730 |
52.0 |
28.0 |
47.0 |
Mon, Mar 06, 2017 |
3594.08 |
23.44 |
11193900 |
13269 |
12038 |
51.0 |
35.0 |
48.0 |
Sun, Mar 06, 2016 |
3594.13 |
23.49 |
11198526 |
8518 |
9302 |
70.0 |
43.0 |
51.0 |
Fri, Mar 06, 2015 |
3592.19 |
21.55 |
11019925 |
9053 |
10827 |
55.0 |
32.0 |
50.0 |
Thu, Mar 06, 2014 |
3575.53 |
4.89 |
9561442 |
7099 |
8269 |
63.0 |
43.0 |
48.0 |
Wed, Mar 06, 2013 |
3600.92 |
30.28 |
11838054 |
2945 |
10021 |
68.0 |
37.0 |
47.0 |
Tue, Mar 06, 2012 |
3635.09 |
64.45 |
15430728 |
6577 |
10036 |
71.1 |
41.0 |
49.0 |
Sun, Mar 06, 2011 |
3614.03 |
43.39 |
13140232 |
7500 |
15623 |
57.9 |
39.9 |
47.0 |
Averages of List |
3599.49 |
-0.07 |
11783589 |
7855 |
11491 |
62.3 |
38.4 |
48.3 |
Accessibility of Primitive Launches and Other Sites
As of Friday, March 5th, 2021 where elevation was 3570.64'
SITE/LAUNCH NAME |
MINIMUM SAFE ELEVATION |
ABSOLUTE MINIMUM USABLE ELEVATION |
CURRENT LEVEL VS. ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
Halls Crossing Launch |
3550.00 |
3548.00 |
22.64 Above |
Open and Usable |
Wahweap |
3558.00 |
3556.00 |
14.64 Above |
Open and Usable |
Bullfrog (Main Launch) |
3578.00 |
3576.00 |
5.36 Below |
Unusable, go to main marinas |
Castle Rock Cut-Off |
3583.00 |
3580.00 |
9.36 Below |
Unusable, use Main Channel |
Antelope Point |
3588.00 |
3587.00 |
16.36 Below |
Unusable, go to main marinas |
Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
29.36 Below |
Unusable, go to main marinas |
Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
38.36 Below |
Unusable, go to main marinas |
Hite Marina |
3650.00 |
3645.00 |
74.36 Below |
Unusable, go to main marinas |
Farley Canyon |
3653.00 |
3649.00 |
78.36 Below |
Unusable, go to main marinas |
Copper Canyon |
3663.00 |
3660.00 |
89.36 Below |
Unusable, go to main marinas |
Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
97.36 Below |
Unusable, use Main Channel |
Piute Farms |
3682.00 |
3680.00 |
109.36 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 1.538 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 - 2021
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