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: 1,534,037 acre feet
This is 60.64% of the February 19th average of 2,529,566 acre feet | Total releases for water year 2019: 3,136,409 acre feet
This is 38.11% 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 1,602,372 AF |
The 28 tracked reservoirs above Lake Powell are currently at 65.23% of capacity. Click for Details |
Inflows for WY 2019 are 75.55% of WY 2018  
Rivers feeding Lake Powell are running at 98.13% of the Feb 20th 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 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 |
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 |
Thu, Jan 31, 2019 |
3576.34 |
-0.18 |
9629238 |
5151 |
13272 |
0.0 |
0.0 |
45.0 |
Wed, Jan 30, 2019 |
3576.52 |
-0.16 |
9644346 |
5778 |
12993 |
0.0 |
0.0 |
45.0 |
Averages of List |
3574.65 |
-0.15 |
9488337.86 |
5785.86 |
12642.71 |
0.00 |
0.00 |
45.1 |
Averages for February 20th
AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Since Filled |
3637.12 |
-0.07 |
16091536.55 |
8783.55 |
13543.37 |
54.13 |
34.52 |
48.1 |
All-Time |
3620.91 |
-0.05 |
14721407.85 |
9131.35 |
12228.51 |
54.86 |
33.92 |
48.1 |
Last 10 February 20th's data records
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Tue, Feb 20, 2018 |
3616.98 |
-0.15 |
13445733 |
4876 |
13230 |
37.0 |
25.0 |
48.0 |
Mon, Feb 20, 2017 |
3594.51 |
-0.05 |
11233724 |
11039 |
13418 |
54.0 |
37.0 |
50.0 |
Sat, Feb 20, 2016 |
3594.87 |
-0.02 |
11267135 |
10959 |
11830 |
64.9 |
39.9 |
49.0 |
Fri, Feb 20, 2015 |
3592.53 |
-0.05 |
11051094 |
8588 |
10943 |
70.0 |
39.0 |
53.0 |
Thu, Feb 20, 2014 |
3576.35 |
-0.12 |
9630076 |
5748 |
11107 |
51.1 |
36.0 |
46.0 |
Wed, Feb 20, 2013 |
3602.38 |
-0.15 |
11978589 |
3391 |
11134 |
46.9 |
39.9 |
45.0 |
Mon, Feb 20, 2012 |
3635.80 |
-0.04 |
15512585 |
9357 |
11682 |
46.0 |
26.1 |
49.0 |
Sun, Feb 20, 2011 |
3616.19 |
-0.15 |
13363471 |
7189 |
17951 |
39.9 |
32.0 |
45.0 |
Sat, Feb 20, 2010 |
3620.71 |
-0.09 |
13838597 |
6678 |
10497 |
48.9 |
36.0 |
50.0 |
Fri, Feb 20, 2009 |
3612.67 |
-0.08 |
13000936 |
7044 |
10932 |
53.1 |
28.9 |
48.0 |
Averages of List |
3606.30 |
-0.09 |
12432194.00 |
7486.90 |
12272.40 |
51.18 |
33.98 |
48.3 |
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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