Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 106.54 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 45.79% of Full Pool (24,322,000 af)
| Total inflows for water year 2021: 135,907 acre feet
This is 40.35% of the October 18th average of 336,783 acre feet | Total releases for water year 2021: 370,478 acre feet
This is 4.94% of the minimum required of 7,500,000 acre feet |
| During WY 2021, water storage has fallen by 2,127,312 AF and total outflows have exceeded total inflows by 234,571 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 71.57% of capacity. Click for Details |
| Inflows for WY 2021 are 60.76% of WY 2020
Rivers feeding Lake Powell are running at 51.39% of the Oct 19th avg. Click for Details
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Lake Powell is down -20.45 feet from one year ago. Lake Powell is at low for water year and down 2.37 feet from the high.
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View CFS
Last 14 Measurements
Lake Powell is down -1.83 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (af) |
OUTFLOW (af) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Sun, Oct 18, 2020 |
3593.46 |
-0.13 |
11136638 |
5685 |
17639 |
85.0 |
58.0 |
66.0 |
| Sat, Oct 17, 2020 |
3593.59 |
-0.14 |
11148629 |
8035 |
20997 |
80.0 |
50.0 |
66.0 |
| Fri, Oct 16, 2020 |
3593.73 |
-0.20 |
11161552 |
2083 |
21041 |
75.0 |
52.0 |
67.0 |
| Thu, Oct 15, 2020 |
3593.93 |
-0.12 |
11180029 |
10259 |
21245 |
82.0 |
63.0 |
67.0 |
| Wed, Oct 14, 2020 |
3594.05 |
-0.13 |
11191125 |
9017 |
21009 |
89.0 |
54.0 |
67.0 |
| Tue, Oct 13, 2020 |
3594.18 |
-0.16 |
11203154 |
7000 |
22001 |
84.0 |
53.0 |
68.0 |
| Mon, Oct 12, 2020 |
3594.34 |
-0.17 |
11217969 |
5232 |
21249 |
80.0 |
53.0 |
68.0 |
| Sun, Oct 11, 2020 |
3594.51 |
-0.07 |
11233724 |
12359 |
18367 |
84.0 |
60.0 |
69.0 |
| Sat, Oct 10, 2020 |
3594.58 |
-0.16 |
11240216 |
5187 |
20220 |
85.0 |
58.0 |
70.0 |
| Fri, Oct 09, 2020 |
3594.74 |
-0.13 |
11255063 |
8339 |
20373 |
83.0 |
61.0 |
70.0 |
| Thu, Oct 08, 2020 |
3594.87 |
-0.15 |
11267135 |
7085 |
21134 |
86.0 |
60.0 |
70.0 |
| Wed, Oct 07, 2020 |
3595.02 |
-0.13 |
11281074 |
8922 |
20974 |
85.0 |
54.0 |
70.0 |
| Tue, Oct 06, 2020 |
3595.15 |
-0.14 |
11293164 |
8063 |
21128 |
65.0 |
56.0 |
70.0 |
| Mon, Oct 05, 2020 |
3595.29 |
-0.14 |
11306193 |
8053 |
21126 |
89.0 |
57.0 |
70.0 |
| Averages of List |
3594.39 |
-0.14 |
11222548 |
7523 |
20607 |
82.3 |
56.4 |
68.4 |
Averages for October 19th
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (af) |
OUTFLOW (af) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3646.05 |
-0.02 |
17165911 |
19435 |
21431 |
71.1 |
47.6 |
66.8 |
| All-Time |
3632.78 |
0.00 |
15644384 |
19821 |
19953 |
71.2 |
47.8 |
66.8 |
Last 10 October 19th's data records
| DATE MEASURED |
ELEVATION |
CHG vs TODAY |
CONTENT |
INFLOW (af) |
OUTFLOW (af) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Sat, Oct 19, 2019 |
3613.79 |
20.33 |
13115579 |
7914 |
20081 |
73.0 |
43.0 |
65.0 |
| Fri, Oct 19, 2018 |
3591.50 |
-1.96 |
10956842 |
11756 |
19647 |
64.0 |
43.0 |
65.0 |
| Thu, Oct 19, 2017 |
3627.79 |
34.33 |
14606817 |
14275 |
20192 |
78.0 |
55.0 |
65.0 |
| Wed, Oct 19, 2016 |
3610.10 |
16.64 |
12740368 |
9084 |
19938 |
68.0 |
52.0 |
67.0 |
| Mon, Oct 19, 2015 |
3606.02 |
12.56 |
12333856 |
37084 |
20039 |
69.1 |
52.0 |
71.0 |
| Sun, Oct 19, 2014 |
3606.09 |
12.63 |
12340756 |
17959 |
16874 |
n/a |
n/a |
n/a |
| Sat, Oct 19, 2013 |
3591.09 |
-2.37 |
10919468 |
14858 |
14862 |
68.0 |
43.0 |
65.0 |
| Fri, Oct 19, 2012 |
3620.33 |
26.87 |
13798225 |
11312 |
15852 |
75.0 |
48.0 |
67.0 |
| Wed, Oct 19, 2011 |
3651.32 |
57.86 |
17380586 |
20831 |
30730 |
72.0 |
46.9 |
68.0 |
| Tue, Oct 19, 2010 |
3634.16 |
40.70 |
15323968 |
15192 |
15874 |
70.0 |
51.1 |
69.0 |
| Averages of List |
3615.22 |
-0.02 |
13351647 |
16026 |
19409 |
70.8 |
48.2 |
66.9 |
Accessibility of Primitive Launches and Other Sites
As of Sunday, October 18th, 2020 where elevation was 3593.46'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Halls Crossing Launch |
3550.00 |
3548.00 |
45.46 Above |
Open and Usable |
| Wahweap |
3558.00 |
3556.00 |
37.46 Above |
Open and Usable |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
17.46 Above |
Open and Usable |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
13.46 Above |
Open and Usable |
| Antelope Point |
3588.00 |
3587.00 |
6.46 Above |
Open and Usable |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
6.54 Below |
Unusable, go to main marinas |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
15.54 Below |
Unusable, go to main marinas |
| Hite Marina |
3650.00 |
3645.00 |
51.54 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
55.54 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
66.54 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
74.54 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
86.54 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 - Acre Feet per day
Outflow - Acre Feet per day
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 1.066 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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