Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 128 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 38.11% of Full Pool (24,322,000 af)
| Total inflows for water year 2021: 1,185,595 acre feet
This is 45.45% of the February 25th average of 2,608,713 acre feet | Total releases for water year 2021: 3,369,395 acre feet
This is 44.93% of the minimum required of 7,500,000 acre feet |
| During WY 2021, water storage has fallen by 2,086,840 AF and total outflows have exceeded total inflows by 2,183,800 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 69.94% of capacity. Click for Details |
| Inflows for WY 2021 are 56.69% of WY 2020
Rivers feeding Lake Powell are running at 60.79% of the Feb 26th avg. Click for Details
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Lake Powell is down -31.07 feet from one year ago. Lake Powell is at low for water year and down 23.83 feet from the high.
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View Acre Feet
Last 14 Measurements
Lake Powell is down -2.28 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Thu, Feb 25, 2021 |
3572.00 |
-0.30 |
9269697 |
-1286 |
11965 |
50.0 |
34.0 |
n/a |
| 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 |
| Fri, Feb 19, 2021 |
3573.07 |
-0.17 |
9357492 |
4714 |
12214 |
54.0 |
29.0 |
47.0 |
| Thu, Feb 18, 2021 |
3573.24 |
-0.21 |
9371492 |
3124 |
12428 |
46.0 |
29.0 |
47.0 |
| Wed, Feb 17, 2021 |
3573.45 |
-0.17 |
9388805 |
4991 |
12508 |
44.0 |
34.0 |
46.0 |
| Tue, Feb 16, 2021 |
3573.62 |
-0.16 |
9402836 |
5328 |
12403 |
53.0 |
39.0 |
46.0 |
| Mon, Feb 15, 2021 |
3573.78 |
-0.20 |
9416055 |
3468 |
12351 |
53.0 |
31.0 |
46.0 |
| Sun, Feb 14, 2021 |
3573.98 |
-0.13 |
9432595 |
5695 |
11431 |
52.0 |
38.0 |
46.0 |
| Sat, Feb 13, 2021 |
3574.11 |
-0.17 |
9443357 |
4643 |
12190 |
48.0 |
35.0 |
47.0 |
| Fri, Feb 12, 2021 |
3574.28 |
-0.20 |
9457443 |
3768 |
12677 |
55.0 |
41.0 |
47.0 |
| Averages of List |
3573.18 |
-0.18 |
9366254 |
4373 |
12198 |
53.4 |
33.9 |
46.7 |
Averages for February 27th
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3634.23 |
-0.08 |
15771318 |
8928 |
13352 |
56.4 |
34.6 |
47.8 |
| All-Time |
3619.51 |
-0.04 |
14549690 |
9383 |
12047 |
56.8 |
34.6 |
47.8 |
Last 10 February 27th's data records
| DATE MEASURED |
ELEVATION |
CHG vs TODAY |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Wed, Feb 26, 2020 |
3602.97 |
30.97 |
12035699 |
7246 |
12377 |
50.0 |
27.0 |
47.0 |
| Tue, Feb 26, 2019 |
3572.29 |
0.29 |
9293437 |
7382 |
13508 |
52.0 |
31.0 |
45.0 |
| Mon, Feb 26, 2018 |
3616.29 |
44.29 |
13373866 |
6018 |
13210 |
48.0 |
26.0 |
47.0 |
| Sun, Feb 26, 2017 |
3594.25 |
22.25 |
11209634 |
9700 |
10059 |
51.0 |
30.0 |
49.0 |
| Fri, Feb 26, 2016 |
3594.53 |
22.53 |
11235579 |
10745 |
13130 |
64.0 |
37.9 |
50.0 |
| Thu, Feb 26, 2015 |
3592.33 |
20.33 |
11032752 |
9495 |
11348 |
54.0 |
37.0 |
49.0 |
| Wed, Feb 26, 2014 |
3575.73 |
3.73 |
9578152 |
6123 |
11007 |
68.0 |
42.1 |
48.0 |
| Tue, Feb 26, 2013 |
3601.72 |
29.72 |
11914920 |
4776 |
10917 |
48.9 |
33.1 |
43.0 |
| Sun, Feb 26, 2012 |
3635.46 |
63.46 |
15473348 |
8313 |
10007 |
48.0 |
37.9 |
49.0 |
| Sat, Feb 26, 2011 |
3615.29 |
43.29 |
13270156 |
7241 |
15654 |
50.0 |
42.1 |
45.0 |
| Averages of List |
3600.09 |
-0.09 |
11841754 |
7704 |
12122 |
53.4 |
34.4 |
47.2 |
Accessibility of Primitive Launches and Other Sites
As of Thursday, February 25th, 2021 where elevation was 3572.00'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Halls Crossing Launch |
3550.00 |
3548.00 |
24 Above |
Open and Usable |
| Wahweap |
3558.00 |
3556.00 |
16 Above |
Open and Usable |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
4 Below |
Unusable, go to main marinas |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
8 Below |
Unusable, use Main Channel |
| Antelope Point |
3588.00 |
3587.00 |
15 Below |
Unusable, go to main marinas |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
28 Below |
Unusable, go to main marinas |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
37 Below |
Unusable, go to main marinas |
| Hite Marina |
3650.00 |
3645.00 |
73 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
77 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
88 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
96 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
108 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 1.343 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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