Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 89.79 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 52.43% of Full Pool (24,322,000 af)
| Total inflows for water year 2020: 5,761,710 acre feet
This is 67.09% of the July 4th average of 8,588,099 acre feet | Total releases for water year 2020: 6,108,002 acre feet
This is 81.44% of the minimum required of 7,500,000 acre feet |
| During WY 2020, water storage has fallen by 512,500 AF and total outflows have exceeded total inflows by 346,292 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 83.8% of capacity. Click for Details |
| Inflows for WY 2020 are 62.69% of WY 2019
Rivers feeding Lake Powell are running at 31.66% of the Jul 5th avg. Click for Details
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Lake Powell is down -4.50 feet from one year ago. Lake Powell is up 10.95 feet from the low for water year.
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View Acre Feet
Last 14 Measurements
Lake Powell is down -0.77 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Sat, Jul 04, 2020 |
3610.21 |
-0.10 |
12751450 |
4739 |
9351 |
n/a |
n/a |
n/a |
| Fri, Jul 03, 2020 |
3610.31 |
-0.11 |
12761529 |
7933 |
13098 |
n/a |
n/a |
n/a |
| Thu, Jul 02, 2020 |
3610.42 |
-0.11 |
12772623 |
8100 |
13267 |
n/a |
n/a |
n/a |
| Wed, Jul 01, 2020 |
3610.53 |
-0.09 |
12783723 |
9184 |
13254 |
n/a |
n/a |
n/a |
| Tue, Jun 30, 2020 |
3610.62 |
-0.12 |
12792809 |
6063 |
11907 |
n/a |
n/a |
n/a |
| Mon, Jun 29, 2020 |
3610.74 |
-0.08 |
12804931 |
8054 |
11700 |
82.0 |
75.0 |
74.0 |
| Sun, Jun 28, 2020 |
3610.82 |
-0.05 |
12813017 |
6788 |
8783 |
95.0 |
78.0 |
75.0 |
| Sat, Jun 27, 2020 |
3610.87 |
-0.03 |
12818072 |
7900 |
8794 |
99.0 |
73.0 |
75.0 |
| Fri, Jun 26, 2020 |
3610.90 |
-0.01 |
12821106 |
11783 |
11575 |
87.0 |
75.0 |
75.0 |
| Thu, Jun 25, 2020 |
3610.91 |
-0.04 |
12822117 |
10203 |
11648 |
94.0 |
75.0 |
74.0 |
| Wed, Jun 24, 2020 |
3610.95 |
-0.04 |
12826163 |
10258 |
11703 |
84.0 |
76.0 |
74.0 |
| Tue, Jun 23, 2020 |
3610.99 |
-0.03 |
12830210 |
11016 |
11910 |
93.0 |
75.0 |
72.0 |
| Mon, Jun 22, 2020 |
3611.02 |
0.04 |
12833245 |
14659 |
11697 |
102.0 |
74.0 |
71.0 |
| Sun, Jun 21, 2020 |
3610.98 |
0.09 |
12829198 |
14549 |
8833 |
98.0 |
73.0 |
71.0 |
| Averages of List |
3610.73 |
-0.05 |
12804300 |
9374 |
11251 |
92.7 |
74.9 |
73.4 |
Averages for July 5th
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3654.55 |
0.06 |
18228887 |
26568 |
17575 |
98.2 |
70.6 |
77.1 |
| All-Time |
3640.26 |
0.10 |
16563107 |
26830 |
15696 |
98.9 |
71.3 |
77.1 |
Last 10 July 5th's data records
| DATE MEASURED |
ELEVATION |
CHG vs TODAY |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Fri, Jul 05, 2019 |
3615.46 |
5.25 |
13287750 |
57270 |
14162 |
97.0 |
66.0 |
76.0 |
| Thu, Jul 05, 2018 |
3609.01 |
-1.20 |
12630907 |
4187 |
15321 |
103.0 |
72.0 |
75.0 |
| Wed, Jul 05, 2017 |
3635.53 |
25.32 |
15481420 |
20491 |
14427 |
107.0 |
75.0 |
77.0 |
| Tue, Jul 05, 2016 |
3621.23 |
11.02 |
13893986 |
26910 |
16098 |
99.0 |
73.0 |
78.0 |
| Sun, Jul 05, 2015 |
3613.85 |
3.64 |
13121740 |
19277 |
15584 |
98.1 |
75.0 |
78.0 |
| Sat, Jul 05, 2014 |
3609.55 |
-0.66 |
12685057 |
14389 |
12424 |
96.1 |
73.9 |
75.0 |
| Fri, Jul 05, 2013 |
3599.23 |
-10.98 |
11676771 |
6743 |
14213 |
98.1 |
77.0 |
80.0 |
| Thu, Jul 05, 2012 |
3632.94 |
22.73 |
15184713 |
4122 |
14254 |
91.0 |
71.1 |
76.0 |
| Tue, Jul 05, 2011 |
3652.41 |
42.20 |
17517572 |
79681 |
24397 |
93.0 |
78.1 |
76.0 |
| Mon, Jul 05, 2010 |
3638.80 |
28.59 |
15861837 |
16225 |
11858 |
93.9 |
62.1 |
79.0 |
| Averages of List |
3622.80 |
0.12 |
14134175 |
24930 |
15274 |
97.6 |
72.3 |
77.0 |
Accessibility of Primitive Launches and Other Sites
As of Saturday, July 4th, 2020 where elevation was 3610.21'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Halls Crossing Launch |
3550.00 |
3548.00 |
62.21 Above |
Open and Usable |
| Wahweap |
3558.00 |
3556.00 |
54.21 Above |
Open and Usable |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
34.21 Above |
Open and Usable |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
30.21 Above |
Open and Usable |
| Antelope Point |
3588.00 |
3587.00 |
23.21 Above |
Open and Usable |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
10.21 Above |
Open and Usable |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
1.21 Above |
Looking bad, not likely. Go very slow! |
| Hite Marina |
3650.00 |
3645.00 |
34.79 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
38.79 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
49.79 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
57.79 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
69.79 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 1.252 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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