Lake Powell
Lake Powell
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Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 126.57 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 38.6% of Full Pool (24,322,000 af)
| Total inflows for water year 2019: 1,634,378 acre feet
This is 64.56% of the February 19th average of 2,531,391 acre feet | Total releases for water year 2019: 3,313,724 acre feet
This is 40.26% of the minimum required of 8,230,000 acre feet |
During WY 2019, water storage has fallen by 1,629,106 AF and total outflows have exceeded total inflows by 1,679,346 AF |
The 28 tracked reservoirs above Lake Powell are currently at 65.23% of capacity. Click for Details |
Inflows for WY 2019 are 76.83% of WY 2018  
Rivers feeding Lake Powell are running at 98.74% of the Feb 21st avg. Click for Details
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Powell is down -43.70 feet from one year ago
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View Acre Feet
Last 14 Measurements Powell is down -1.75 feet over these measurements
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Tue, Feb 19, 2019 |
3573.43 |
|
9387155 |
5636 |
13602 |
0.0 |
0.0 |
45.0 |
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 |
8323 |
12932 |
0.0 |
0.0 |
45.0 |
Thu, Feb 14, 2019 |
3574.06 |
|
9439631 |
7927 |
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 |
|
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 |
Averages of List |
3574.30 |
-0.15 |
9459557.36 |
6506.36 |
12706.71 |
0.00 |
0.00 |
45.0 |
Averages for February 21st
AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Since Filled |
3637.05 |
-0.07 |
16083052.24 |
9106.24 |
13659.89 |
54.33 |
33.75 |
48.1 |
All-Time |
3620.87 |
-0.05 |
14715792.80 |
9457.73 |
12395.02 |
54.03 |
33.39 |
48.1 |
Last 10 February 21st's data records
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Wed, Feb 21, 2018 |
3616.86 |
-0.12 |
13433216 |
6617 |
13261 |
41.0 |
24.0 |
48.0 |
Tue, Feb 21, 2017 |
3594.48 |
-0.03 |
11230943 |
11678 |
13047 |
64.0 |
41.0 |
50.0 |
Sun, Feb 21, 2016 |
3594.85 |
-0.02 |
11265277 |
9859 |
10730 |
64.0 |
39.9 |
49.0 |
Sat, Feb 21, 2015 |
3592.54 |
0.01 |
11052011 |
10637 |
9994 |
55.0 |
42.0 |
50.0 |
Fri, Feb 21, 2014 |
3576.25 |
-0.10 |
9621689 |
6652 |
11093 |
59.0 |
32.0 |
47.0 |
Thu, Feb 21, 2013 |
3602.26 |
-0.12 |
11966996 |
4958 |
11117 |
48.0 |
35.1 |
45.0 |
Tue, Feb 21, 2012 |
3635.76 |
-0.04 |
15507966 |
9264 |
11589 |
54.0 |
30.2 |
49.0 |
Mon, Feb 21, 2011 |
3616.02 |
-0.17 |
13345812 |
7410 |
18125 |
43.0 |
28.9 |
45.0 |
Sun, Feb 21, 2010 |
3620.66 |
-0.05 |
13833280 |
6670 |
9652 |
45.0 |
32.0 |
50.0 |
Sat, Feb 21, 2009 |
3612.60 |
-0.07 |
12993792 |
6923 |
10393 |
57.0 |
30.9 |
49.0 |
Averages of List |
3606.23 |
-0.07 |
12425098.20 |
8066.80 |
11900.10 |
53.00 |
33.60 |
48.2 |
Accessibility of Primitive Launches and Other Sites
As of Tuesday, February 19th, 2019 where elevation was 3573.43'
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 |
6.57 Below |
Unusable, use Main Channel |
Antelope Point |
3592.00 |
3590.00 |
16.57 Below |
Unusable, go to main marinas |
Hite Marina |
3650.00 |
3645.00 |
71.57 Below |
Unusable, go to main marinas |
Farley Canyon |
3653.00 |
3649.00 |
75.57 Below |
Unusable, go to main marinas |
Copper Canyon |
3663.00 |
3660.00 |
86.57 Below |
Unusable, go to main marinas |
Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
94.57 Below |
Unusable, use Main Channel |
Piute Farms |
3682.00 |
3680.00 |
106.57 Below |
Unusable, go to main marinas |
Gunsite Pass Cut-Off |
3685.00 |
3680.00 |
106.57 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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