Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 83.73 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 54.98% of Full Pool (24,322,000 af)
| Total inflows for water year 2019: 11,626,371 acre feet
This is 110.13% of the September 21st average of 10,556,577 acre feet | Total releases for water year 2019: 8,785,598 acre feet
This is 117.14% of the minimum required of 7,500,000 acre feet |
| During WY 2019, water storage has risen by 2,355,526 AF and total inflows have exceeded total outflows by 2,840,773 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 85.94% of capacity. Click for Details |
| Inflows for WY 2019 are 218.56% of WY 2018
Rivers feeding Lake Powell are running at 94.16% of the Sep 22nd avg. Click for Details
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Lake Powell is up 22.49 feet from one year ago. Lake Powell is down 5.41 feet from the high for water year.
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View Acre Feet
Last 14 Measurements
Lake Powell is down -1.43 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Sat, Sep 21, 2019 |
3616.27 |
-0.10 |
13371787 |
6589 |
11381 |
n/a |
n/a |
n/a |
| Fri, Sep 20, 2019 |
3616.37 |
-0.10 |
13382186 |
7244 |
12038 |
n/a |
n/a |
n/a |
| Thu, Sep 19, 2019 |
3616.47 |
-0.12 |
13392590 |
6005 |
11936 |
n/a |
n/a |
n/a |
| Wed, Sep 18, 2019 |
3616.59 |
-0.08 |
13405082 |
8256 |
11921 |
0.0 |
0.0 |
75.0 |
| Tue, Sep 17, 2019 |
3616.67 |
-0.12 |
13413414 |
5896 |
11832 |
0.0 |
0.0 |
75.0 |
| Mon, Sep 16, 2019 |
3616.79 |
-0.14 |
13425919 |
4710 |
11785 |
90.0 |
64.0 |
75.0 |
| Sun, Sep 15, 2019 |
3616.93 |
-0.07 |
13440517 |
7492 |
10595 |
89.0 |
66.0 |
76.0 |
| Sat, Sep 14, 2019 |
3617.00 |
-0.10 |
13447820 |
7056 |
11864 |
93.0 |
60.0 |
76.0 |
| Fri, Sep 13, 2019 |
3617.10 |
-0.12 |
13458257 |
6141 |
12090 |
88.0 |
58.0 |
77.0 |
| Thu, Sep 12, 2019 |
3617.22 |
-0.14 |
13470789 |
4401 |
11491 |
82.0 |
58.0 |
77.0 |
| Wed, Sep 11, 2019 |
3617.36 |
-0.10 |
13485419 |
6909 |
11727 |
n/a |
n/a |
n/a |
| Tue, Sep 10, 2019 |
3617.46 |
-0.13 |
13495876 |
5179 |
11708 |
89.0 |
71.0 |
77.0 |
| Mon, Sep 09, 2019 |
3617.59 |
-0.11 |
13509477 |
3580 |
11824 |
91.0 |
63.0 |
77.0 |
| Sun, Sep 08, 2019 |
3617.70 |
-0.13 |
13520992 |
2799 |
9335 |
91.0 |
75.0 |
78.0 |
| Averages of List |
3616.97 |
-0.11 |
13444295 |
5876 |
11538 |
71.3 |
51.5 |
76.3 |
Averages for September 22nd
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3648.06 |
-0.07 |
17431074 |
9198 |
13319 |
82.2 |
57.2 |
73.6 |
| All-Time |
3634.27 |
-0.08 |
15837421 |
9187 |
12734 |
82.4 |
57.0 |
73.6 |
Last 10 September 22nd's data records
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Sat, Sep 22, 2018 |
3593.62 |
0.15 |
11151397 |
3932 |
11228 |
0.0 |
0.0 |
75.0 |
| Fri, Sep 22, 2017 |
3628.87 |
-0.13 |
14726674 |
4995 |
11928 |
79.0 |
57.0 |
74.0 |
| Thu, Sep 22, 2016 |
3610.92 |
-0.20 |
12823128 |
2034 |
12214 |
75.0 |
52.0 |
73.0 |
| Tue, Sep 22, 2015 |
3606.86 |
-0.12 |
12416832 |
6732 |
12386 |
81.0 |
68.0 |
78.0 |
| Mon, Sep 22, 2014 |
3605.58 |
-0.08 |
12290540 |
6916 |
10389 |
86.0 |
64.9 |
77.0 |
| Sun, Sep 22, 2013 |
3591.20 |
0.00 |
10929487 |
9546 |
8811 |
78.1 |
59.0 |
67.0 |
| Sat, Sep 22, 2012 |
3622.12 |
-0.07 |
13989167 |
4894 |
8076 |
91.0 |
63.0 |
74.0 |
| Thu, Sep 22, 2011 |
3653.74 |
-0.08 |
17685752 |
14150 |
15479 |
90.0 |
64.0 |
74.0 |
| Wed, Sep 22, 2010 |
3633.76 |
0.05 |
15278211 |
6762 |
8133 |
87.1 |
68.0 |
73.0 |
| Tue, Sep 22, 2009 |
3635.89 |
-0.05 |
15522983 |
8458 |
10037 |
73.9 |
53.1 |
75.0 |
| Averages of List |
3618.26 |
-0.05 |
13681417 |
6842 |
10868 |
74.1 |
54.9 |
74.0 |
Accessibility of Primitive Launches and Other Sites
As of Saturday, September 21st, 2019 where elevation was 3616.27'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Halls Crossing Launch |
3550.00 |
3548.00 |
68.27 Above |
Open and Usable |
| Wahweap |
3558.00 |
3556.00 |
60.27 Above |
Open and Usable |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
40.27 Above |
Open and Usable |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
36.27 Above |
Open and Usable |
| Antelope Point |
3588.00 |
3587.00 |
29.27 Above |
Open and Usable |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
16.27 Above |
Open and Usable |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
7.27 Above |
Open and Usable |
| Hite Marina |
3650.00 |
3645.00 |
28.73 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
32.73 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
43.73 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
51.73 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
63.73 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 0.124 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 - 2019
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