Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 128.87 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 37.82% of Full Pool (24,322,000 af)
| Total inflows for water year 2021: 1,217,685 acre feet
This is 45.08% of the March 2nd average of 2,701,371 acre feet | Total releases for water year 2021: 3,485,513 acre feet
This is 46.47% of the minimum required of 7,500,000 acre feet |
| During WY 2021, water storage has fallen by 2,157,817 AF and total outflows have exceeded total inflows by 2,267,828 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 69.88% of capacity. Click for Details |
| Inflows for WY 2021 are 56.19% of WY 2020
Rivers feeding Lake Powell are running at 56.74% of the Mar 3rd avg. Click for Details
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Lake Powell is down -31.44 feet from one year ago. Lake Powell is at low for water year and down 24.70 feet from the high.
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View Acre Feet
Last 14 Measurements
Lake Powell is down -2.32 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| 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 |
| 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 |
| Averages of List |
3572.29 |
-0.18 |
9293329 |
3893 |
12019 |
53.6 |
31.1 |
46.8 |
Averages for March 4th
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3633.85 |
-0.05 |
15728690 |
9192 |
12808 |
59.6 |
37.3 |
48.5 |
| All-Time |
3619.26 |
-0.04 |
14521046 |
9480 |
12023 |
58.8 |
36.5 |
48.5 |
Last 10 March 4th's data records
| DATE MEASURED |
ELEVATION |
CHG vs TODAY |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Wed, Mar 04, 2020 |
3602.38 |
31.25 |
11978589 |
7657 |
11630 |
64.0 |
38.0 |
48.0 |
| Mon, Mar 04, 2019 |
3571.46 |
0.33 |
9225599 |
9754 |
13119 |
61.0 |
45.0 |
47.0 |
| Sun, Mar 04, 2018 |
3615.58 |
44.45 |
13300178 |
6759 |
11576 |
52.0 |
37.0 |
47.0 |
| Sat, Mar 04, 2017 |
3594.15 |
23.02 |
11200377 |
9706 |
11498 |
64.0 |
37.0 |
48.0 |
| Fri, Mar 04, 2016 |
3594.24 |
23.11 |
11208708 |
10292 |
11581 |
72.0 |
46.9 |
51.0 |
| Wed, Mar 04, 2015 |
3592.28 |
21.15 |
11028170 |
8490 |
10764 |
48.0 |
30.0 |
49.0 |
| Tue, Mar 04, 2014 |
3575.56 |
4.43 |
9563947 |
8950 |
8302 |
63.0 |
45.0 |
48.0 |
| Mon, Mar 04, 2013 |
3601.13 |
30.00 |
11858199 |
4653 |
10168 |
63.0 |
46.9 |
45.0 |
| Sun, Mar 04, 2012 |
3635.20 |
64.07 |
15443390 |
9163 |
8862 |
57.9 |
32.0 |
49.0 |
| Fri, Mar 04, 2011 |
3614.35 |
43.22 |
13173149 |
7248 |
15675 |
57.0 |
42.1 |
46.0 |
| Averages of List |
3599.63 |
-0.06 |
11798031 |
8267 |
11318 |
60.2 |
40.0 |
47.8 |
Accessibility of Primitive Launches and Other Sites
As of Tuesday, March 2nd, 2021 where elevation was 3571.13'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Halls Crossing Launch |
3550.00 |
3548.00 |
23.13 Above |
Open and Usable |
| Wahweap |
3558.00 |
3556.00 |
15.13 Above |
Open and Usable |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
4.87 Below |
Unusable, go to main marinas |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
8.87 Below |
Unusable, use Main Channel |
| Antelope Point |
3588.00 |
3587.00 |
15.87 Below |
Unusable, go to main marinas |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
28.87 Below |
Unusable, go to main marinas |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
37.87 Below |
Unusable, go to main marinas |
| Hite Marina |
3650.00 |
3645.00 |
73.87 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
77.87 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
88.87 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
96.87 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
108.87 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 2.150 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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