Lake Powell
Lake Powell
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Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 125.83 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 38.85% of Full Pool (24,322,000 af)
| Total inflows for water year 2019: 1,571,160 acre feet
This is 64.36% of the February 14th average of 2,441,079 acre feet | Total releases for water year 2019: 3,185,656 acre feet
This is 38.71% of the minimum required of 8,230,000 acre feet |
During WY 2019, water storage has fallen by 1,567,934 AF and total outflows have exceeded total inflows by 1,614,496 AF |
The 28 tracked reservoirs above Lake Powell are currently at 65.31% of capacity. Click for Details |
Inflows for WY 2019 are 76.5% of WY 2018  
Rivers feeding Lake Powell are running at 115.8% of the Feb 15th avg. Click for Details
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Powell is down -43.50 feet from one year ago
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View Acre Feet
Last 14 Measurements Powell is down -1.96 feet over these measurements
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Thu, Feb 14, 2019 |
3574.17 |
|
9448327 |
12662 |
12539 |
n/a |
n/a |
n/a |
Wed, Feb 13, 2019 |
3574.17 |
|
9448327 |
4794 |
12794 |
n/a |
n/a |
n/a |
Tue, Feb 12, 2019 |
3574.35 |
-0.14 |
9463246 |
6896 |
13097 |
n/a |
n/a |
n/a |
Mon, Feb 11, 2019 |
3574.49 |
-0.16 |
9474862 |
5380 |
12489 |
n/a |
n/a |
n/a |
Sun, Feb 10, 2019 |
3574.65 |
-0.16 |
9488147 |
5010 |
12127 |
n/a |
n/a |
n/a |
Sat, Feb 09, 2019 |
3574.81 |
-0.13 |
9501446 |
6536 |
12300 |
n/a |
n/a |
n/a |
Fri, Feb 08, 2019 |
3574.94 |
-0.12 |
9512260 |
5811 |
11125 |
n/a |
n/a |
n/a |
Thu, Feb 07, 2019 |
3575.06 |
-0.12 |
9522249 |
8282 |
13601 |
n/a |
n/a |
n/a |
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 |
Mon, Feb 04, 2019 |
3575.61 |
-0.13 |
9568124 |
7822 |
13612 |
0.0 |
0.0 |
46.0 |
Sun, Feb 03, 2019 |
3575.74 |
-0.18 |
9578988 |
3829 |
11902 |
0.0 |
0.0 |
46.0 |
Sat, Feb 02, 2019 |
3575.92 |
-0.21 |
9594045 |
3961 |
13411 |
0.0 |
0.0 |
46.0 |
Fri, Feb 01, 2019 |
3576.13 |
-0.21 |
9611630 |
4017 |
13479 |
0.0 |
0.0 |
45.0 |
Averages of List |
3575.66 |
-0.19 |
9572464.83 |
4530.83 |
13207.67 |
0.00 |
0.00 |
45.8 |
Averages for February 15th
AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Since Filled |
3637.53 |
-0.07 |
16138424.32 |
8761.34 |
13655.05 |
54.66 |
32.95 |
48.0 |
All-Time |
3621.16 |
-0.05 |
14750498.04 |
8989.78 |
12296.22 |
53.53 |
32.49 |
48.0 |
Last 10 February 15th's data records
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Thu, Feb 15, 2018 |
3617.64 |
-0.03 |
13514710 |
11762 |
13300 |
53.0 |
39.0 |
49.0 |
Wed, Feb 15, 2017 |
3594.43 |
-0.03 |
11226308 |
12108 |
13477 |
57.0 |
35.0 |
50.0 |
Mon, Feb 15, 2016 |
3595.27 |
-0.10 |
11304331 |
7801 |
12730 |
63.0 |
42.1 |
48.0 |
Sun, Feb 15, 2015 |
3592.92 |
-0.01 |
11086916 |
8830 |
9187 |
70.0 |
39.0 |
53.0 |
Sat, Feb 15, 2014 |
3576.89 |
-0.10 |
9675453 |
5829 |
10286 |
64.0 |
45.0 |
46.0 |
Fri, Feb 15, 2013 |
3602.93 |
-0.11 |
12031821 |
5566 |
11219 |
53.1 |
33.1 |
45.0 |
Wed, Feb 15, 2012 |
3636.09 |
-0.02 |
15546108 |
10691 |
11760 |
46.0 |
36.0 |
49.0 |
Tue, Feb 15, 2011 |
3617.24 |
-0.20 |
13472879 |
6743 |
18117 |
57.0 |
33.1 |
45.0 |
Mon, Feb 15, 2010 |
3621.18 |
-0.08 |
13888653 |
6673 |
11793 |
52.0 |
34.0 |
50.0 |
Sun, Feb 15, 2009 |
3613.05 |
-0.08 |
13039759 |
7034 |
10216 |
44.1 |
25.0 |
48.0 |
Averages of List |
3606.76 |
-0.08 |
12478693.80 |
8303.70 |
12208.50 |
55.92 |
36.13 |
48.3 |
Accessibility of Primitive Launches and Other Sites
As of Thursday, February 14th, 2019 where elevation was 3574.17'
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 |
5.83 Below |
Unusable, use Main Channel |
Antelope Point |
3592.00 |
3590.00 |
15.83 Below |
Unusable, go to main marinas |
Hite Marina |
3650.00 |
3645.00 |
70.83 Below |
Unusable, go to main marinas |
Farley Canyon |
3653.00 |
3649.00 |
74.83 Below |
Unusable, go to main marinas |
Copper Canyon |
3663.00 |
3660.00 |
85.83 Below |
Unusable, go to main marinas |
Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
93.83 Below |
Unusable, use Main Channel |
Piute Farms |
3682.00 |
3680.00 |
105.83 Below |
Unusable, go to main marinas |
Gunsite Pass Cut-Off |
3685.00 |
3680.00 |
105.83 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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