Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 129.55 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 37.59% of Full Pool (24,322,000 af)
| Total inflows for water year 2021: 1,251,815 acre feet
This is 45.08% of the March 6th average of 2,776,973 acre feet | Total releases for water year 2021: 3,577,810 acre feet
This is 47.7% of the minimum required of 7,500,000 acre feet |
| During WY 2021, water storage has fallen by 2,213,037 AF and total outflows have exceeded total inflows by 2,325,995 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 69.85% of capacity. Click for Details |
| Inflows for WY 2021 are 56.42% of WY 2020
Rivers feeding Lake Powell are running at 64.24% of the Mar 7th avg. Click for Details
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Lake Powell is down -31.73 feet from one year ago. Lake Powell is at low for water year and down 25.38 feet from the high.
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View Acre Feet
Last 14 Measurements
Lake Powell is down -2.31 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Sat, Mar 06, 2021 |
3570.45 |
-0.19 |
9143500 |
3258 |
11462 |
n/a |
n/a |
n/a |
| 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 |
| Averages of List |
3571.58 |
-0.17 |
9235632 |
4014 |
11834 |
56.8 |
32.2 |
46.8 |
Averages for March 7th
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3633.65 |
-0.06 |
15706816 |
9449 |
13111 |
60.2 |
36.8 |
49.1 |
| All-Time |
3619.15 |
-0.03 |
14509713 |
9734 |
11543 |
59.6 |
36.1 |
49.1 |
Last 10 March 7th's data records
| DATE MEASURED |
ELEVATION |
CHG vs TODAY |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Sat, Mar 07, 2020 |
3602.10 |
31.65 |
11951550 |
6905 |
10872 |
72.0 |
45.0 |
49.0 |
| Thu, Mar 07, 2019 |
3571.30 |
0.85 |
9212560 |
10671 |
13146 |
65.0 |
45.0 |
47.0 |
| Wed, Mar 07, 2018 |
3615.21 |
44.76 |
13261882 |
5988 |
13613 |
51.0 |
30.0 |
47.0 |
| Tue, Mar 07, 2017 |
3594.02 |
23.57 |
11188351 |
9280 |
12078 |
55.0 |
30.0 |
49.0 |
| Mon, Mar 07, 2016 |
3594.11 |
23.66 |
11196676 |
10851 |
11634 |
57.0 |
42.1 |
51.0 |
| Sat, Mar 07, 2015 |
3592.14 |
21.69 |
11015346 |
8035 |
10308 |
60.0 |
35.0 |
50.0 |
| Fri, Mar 07, 2014 |
3575.55 |
5.10 |
9563112 |
9442 |
8339 |
63.0 |
48.0 |
49.0 |
| Thu, Mar 07, 2013 |
3600.81 |
30.36 |
11827511 |
4556 |
10062 |
69.1 |
45.0 |
47.0 |
| Wed, Mar 07, 2012 |
3635.08 |
64.63 |
15429577 |
9696 |
10022 |
50.0 |
33.8 |
48.0 |
| Mon, Mar 07, 2011 |
3613.87 |
43.42 |
13123794 |
7635 |
15686 |
55.0 |
43.0 |
47.0 |
| Averages of List |
3599.42 |
-0.07 |
11777036 |
8306 |
11576 |
59.7 |
39.7 |
48.4 |
Accessibility of Primitive Launches and Other Sites
As of Saturday, March 6th, 2021 where elevation was 3570.45'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Halls Crossing Launch |
3550.00 |
3548.00 |
22.45 Above |
Open and Usable |
| Wahweap |
3558.00 |
3556.00 |
14.45 Above |
Open and Usable |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
5.55 Below |
Unusable, go to main marinas |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
9.55 Below |
Unusable, use Main Channel |
| Antelope Point |
3588.00 |
3587.00 |
16.55 Below |
Unusable, go to main marinas |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
29.55 Below |
Unusable, go to main marinas |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
38.55 Below |
Unusable, go to main marinas |
| Hite Marina |
3650.00 |
3645.00 |
74.55 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
78.55 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
89.55 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
97.55 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
109.55 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 1.212 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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