Lake Powell
Lake Powell
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Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 126.39 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 38.66% of Full Pool (24,322,000 af)
| Total inflows for water year 2019: 1,623,199 acre feet
This is 64.59% of the February 18th average of 2,513,249 acre feet | Total releases for water year 2019: 3,286,745 acre feet
This is 39.94% of the minimum required of 8,230,000 acre feet |
During WY 2019, water storage has fallen by 1,614,251 AF and total outflows have exceeded total inflows by 1,663,546 AF |
The 28 tracked reservoirs above Lake Powell are currently at 65.25% of capacity. Click for Details |
Inflows for WY 2019 are 77.17% of WY 2018  
Rivers feeding Lake Powell are running at 104.05% of the Feb 19th avg. Click for Details
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Powell is down -43.55 feet from one year ago
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View Acre Feet
Last 14 Measurements Powell is down -1.78 feet over these measurements
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Mon, Feb 18, 2019 |
3573.61 |
|
9402010 |
7807 |
13532 |
0.0 |
0.0 |
45.0 |
Sun, Feb 17, 2019 |
3573.74 |
|
9412749 |
8933 |
11961 |
0.0 |
0.0 |
45.0 |
Sat, Feb 16, 2019 |
3573.81 |
|
9418535 |
5908 |
12540 |
0.0 |
0.0 |
45.0 |
Fri, Feb 15, 2019 |
3573.96 |
|
9430940 |
3588 |
12932 |
0.0 |
0.0 |
45.0 |
Thu, Feb 14, 2019 |
3574.17 |
|
9448327 |
12662 |
12539 |
0.0 |
0.0 |
45.0 |
Wed, Feb 13, 2019 |
3574.17 |
|
9448327 |
4794 |
12794 |
0.0 |
0.0 |
45.0 |
Tue, Feb 12, 2019 |
3574.35 |
-0.14 |
9463246 |
6896 |
13097 |
0.0 |
0.0 |
45.0 |
Mon, Feb 11, 2019 |
3574.49 |
-0.16 |
9474862 |
5380 |
12489 |
0.0 |
0.0 |
45.0 |
Sun, Feb 10, 2019 |
3574.65 |
-0.16 |
9488147 |
5010 |
12127 |
0.0 |
0.0 |
45.0 |
Sat, Feb 09, 2019 |
3574.81 |
-0.13 |
9501446 |
6536 |
12300 |
0.0 |
0.0 |
45.0 |
Fri, Feb 08, 2019 |
3574.94 |
-0.12 |
9512260 |
5811 |
11125 |
0.0 |
0.0 |
45.0 |
Thu, Feb 07, 2019 |
3575.06 |
-0.12 |
9522249 |
8282 |
13601 |
0.0 |
0.0 |
45.0 |
Wed, Feb 06, 2019 |
3575.18 |
-0.21 |
9532246 |
3846 |
13255 |
0.0 |
0.0 |
46.0 |
Tue, Feb 05, 2019 |
3575.39 |
-0.22 |
9549756 |
3710 |
13587 |
0.0 |
0.0 |
46.0 |
Averages of List |
3574.45 |
-0.16 |
9471792.86 |
6368.79 |
12705.64 |
0.00 |
0.00 |
45.1 |
Averages for February 19th
AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Since Filled |
3637.20 |
-0.10 |
16100278.13 |
8725.37 |
13476.63 |
55.74 |
34.08 |
48.0 |
All-Time |
3620.96 |
-0.05 |
14727243.27 |
9114.15 |
11760.76 |
55.65 |
33.56 |
48.0 |
Last 10 February 19th's data records
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Mon, Feb 19, 2018 |
3617.13 |
-0.51 |
13461390 |
12005 |
13539 |
54.0 |
32.0 |
48.0 |
Sun, Feb 19, 2017 |
3594.56 |
0.04 |
11238361 |
13781 |
11616 |
53.0 |
41.0 |
50.0 |
Fri, Feb 19, 2016 |
3594.89 |
-0.12 |
11268993 |
7398 |
13330 |
62.1 |
41.0 |
49.0 |
Thu, Feb 19, 2015 |
3592.58 |
-0.09 |
11055682 |
6539 |
10894 |
61.0 |
37.0 |
53.0 |
Wed, Feb 19, 2014 |
3576.47 |
-0.11 |
9640148 |
6160 |
11064 |
69.1 |
43.0 |
46.0 |
Tue, Feb 19, 2013 |
3602.53 |
-0.14 |
11993091 |
3941 |
11162 |
48.9 |
28.9 |
45.0 |
Sun, Feb 19, 2012 |
3635.84 |
-0.09 |
15517206 |
4960 |
10432 |
46.9 |
33.1 |
49.0 |
Sat, Feb 19, 2011 |
3616.34 |
-0.28 |
13379065 |
7007 |
17933 |
53.6 |
34.0 |
45.0 |
Fri, Feb 19, 2010 |
3620.80 |
-0.09 |
13848172 |
6678 |
11819 |
55.9 |
37.0 |
50.0 |
Thu, Feb 19, 2009 |
3612.75 |
-0.10 |
13009103 |
7160 |
10895 |
50.0 |
28.0 |
48.0 |
Averages of List |
3606.39 |
-0.15 |
12441121.10 |
7562.90 |
12268.40 |
55.45 |
35.50 |
48.3 |
Accessibility of Primitive Launches and Other Sites
As of Monday, February 18th, 2019 where elevation was 3573.61'
SITE/LAUNCH NAME |
MINIMUM SAFE ELEVATION |
ABSOLUTE MINIMUM USABLE ELEVATION |
CURRENT LEVEL VS. ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
Castle Rock Cut-Off |
3583.00 |
3580.00 |
6.39 Below |
Unusable, use Main Channel |
Antelope Point |
3592.00 |
3590.00 |
16.39 Below |
Unusable, go to main marinas |
Hite Marina |
3650.00 |
3645.00 |
71.39 Below |
Unusable, go to main marinas |
Farley Canyon |
3653.00 |
3649.00 |
75.39 Below |
Unusable, go to main marinas |
Copper Canyon |
3663.00 |
3660.00 |
86.39 Below |
Unusable, go to main marinas |
Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
94.39 Below |
Unusable, use Main Channel |
Piute Farms |
3682.00 |
3680.00 |
106.39 Below |
Unusable, go to main marinas |
Gunsite Pass Cut-Off |
3685.00 |
3680.00 |
106.39 Below |
Unusable, use Main Channel |
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
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