Lake Powell
Lake Powell
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Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 126.26 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 38.7% of Full Pool (24,322,000 af)
| Total inflows for water year 2019: 1,607,714 acre feet
This is 64.44% of the February 17th average of 2,494,935 acre feet | Total releases for water year 2019: 3,259,904 acre feet
This is 39.61% of the minimum required of 8,230,000 acre feet |
During WY 2019, water storage has fallen by 1,603,512 AF and total outflows have exceeded total inflows by 1,652,190 AF |
The 28 tracked reservoirs above Lake Powell are currently at 65.29% of capacity. Click for Details |
Inflows for WY 2019 are 76.74% of WY 2018  
Rivers feeding Lake Powell are running at 112.76% of the Feb 18th avg. Click for Details
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Powell is down -43.58 feet from one year ago
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View Acre Feet
Last 14 Measurements Powell is down -1.87 feet over these measurements
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
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 |
Mon, Feb 04, 2019 |
3575.61 |
-0.13 |
9568124 |
7822 |
13612 |
0.0 |
0.0 |
46.0 |
Averages of List |
3574.60 |
-0.15 |
9483658.14 |
6369.86 |
12711.36 |
0.00 |
0.00 |
45.2 |
Averages for February 18th
AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Since Filled |
3637.28 |
-0.07 |
16109795.34 |
8858.50 |
13565.92 |
55.42 |
35.51 |
48.2 |
All-Time |
3621.01 |
-0.04 |
14732841.22 |
9162.91 |
11695.91 |
55.45 |
34.59 |
48.2 |
Last 10 February 18th's data records
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Sun, Feb 18, 2018 |
3617.16 |
0.03 |
13464522 |
4261 |
13191 |
63.0 |
34.0 |
48.0 |
Sat, Feb 18, 2017 |
3594.52 |
0.06 |
11234652 |
15905 |
12730 |
50.0 |
44.0 |
50.0 |
Thu, Feb 18, 2016 |
3595.01 |
-0.10 |
11280145 |
8268 |
13190 |
72.0 |
48.0 |
49.0 |
Wed, Feb 18, 2015 |
3592.67 |
-0.05 |
11063944 |
8559 |
10916 |
61.0 |
42.0 |
53.0 |
Tue, Feb 18, 2014 |
3576.58 |
-0.11 |
9649386 |
6267 |
11174 |
64.9 |
42.1 |
46.0 |
Mon, Feb 18, 2013 |
3602.67 |
-0.05 |
12006637 |
8516 |
10997 |
50.0 |
33.1 |
45.0 |
Sat, Feb 18, 2012 |
3635.93 |
-0.03 |
15527606 |
9456 |
11154 |
53.1 |
33.1 |
49.0 |
Fri, Feb 18, 2011 |
3616.62 |
-0.20 |
13408206 |
6852 |
17990 |
57.9 |
39.0 |
n/a |
Thu, Feb 18, 2010 |
3620.89 |
-0.07 |
13857752 |
6648 |
11897 |
55.9 |
32.0 |
50.0 |
Wed, Feb 18, 2009 |
3612.85 |
-0.04 |
13019316 |
6927 |
11017 |
50.0 |
30.0 |
48.0 |
Averages of List |
3606.49 |
-0.06 |
12451216.60 |
8165.90 |
12425.60 |
57.78 |
37.73 |
48.6 |
Accessibility of Primitive Launches and Other Sites
As of Sunday, February 17th, 2019 where elevation was 3573.74'
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 |
6.26 Below |
Unusable, use Main Channel |
Antelope Point |
3592.00 |
3590.00 |
16.26 Below |
Unusable, go to main marinas |
Hite Marina |
3650.00 |
3645.00 |
71.26 Below |
Unusable, go to main marinas |
Farley Canyon |
3653.00 |
3649.00 |
75.26 Below |
Unusable, go to main marinas |
Copper Canyon |
3663.00 |
3660.00 |
86.26 Below |
Unusable, go to main marinas |
Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
94.26 Below |
Unusable, use Main Channel |
Piute Farms |
3682.00 |
3680.00 |
106.26 Below |
Unusable, go to main marinas |
Gunsite Pass Cut-Off |
3685.00 |
3680.00 |
106.26 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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