Lake Powell
Lake Powell
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Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 90.12 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 52.29% of Full Pool (24,322,000 af)
| Total inflows for water year 2018: 2,985,396 acre feet
This is 74.33% of the April 25th average of 4,016,633 acre feet | Total releases for water year 2018: 4,979,579 acre feet
This is 60.51% of the minimum required of 8,230,000 acre feet |
During WY 2018, water storage has fallen by 1,957,312 AF and total outflows have exceeded total inflows by 1,994,183 AF |
The 28 tracked reservoirs above Lake Powell are currently at 76.93% of capacity. Click for Details |
Inflows for WY 2018 are 68.52% of WY 2017  
Rivers feeding Lake Powell are running at 38.33% of the Apr 27th avg. Click for Details
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Powell is up 7.24 feet from one year ago
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View Acre Feet
Last 14 Measurements Powell is down -1.17 feet over these measurements
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Wed, Apr 25, 2018 |
3609.88 |
-0.17 |
12718225 |
3649 |
12553 |
80.0 |
57.0 |
59.0 |
Tue, Apr 24, 2018 |
3610.05 |
-0.08 |
12735334 |
8317 |
12291 |
84.0 |
59.0 |
57.0 |
Mon, Apr 23, 2018 |
3610.13 |
-0.09 |
12743390 |
7957 |
12482 |
86.0 |
53.0 |
56.0 |
Sun, Apr 22, 2018 |
3610.22 |
-0.04 |
12752458 |
8756 |
10538 |
80.0 |
51.0 |
55.0 |
Sat, Apr 21, 2018 |
3610.26 |
-0.10 |
12756489 |
6561 |
11637 |
73.0 |
41.0 |
54.0 |
Fri, Apr 20, 2018 |
3610.36 |
-0.10 |
12766571 |
7777 |
12856 |
55.0 |
41.0 |
54.0 |
Thu, Apr 19, 2018 |
3610.46 |
-0.10 |
12776658 |
7235 |
12317 |
75.0 |
45.0 |
54.0 |
Wed, Apr 18, 2018 |
3610.56 |
-0.12 |
12786751 |
6504 |
12688 |
64.0 |
37.0 |
54.0 |
Tue, Apr 17, 2018 |
3610.68 |
-0.09 |
12798869 |
7052 |
11589 |
64.0 |
44.0 |
53.0 |
Mon, Apr 16, 2018 |
3610.77 |
-0.07 |
12807963 |
8792 |
12230 |
80.0 |
55.0 |
55.0 |
Sun, Apr 15, 2018 |
3610.84 |
-0.05 |
12815039 |
7328 |
9666 |
75.0 |
44.0 |
55.0 |
Sat, Apr 14, 2018 |
3610.89 |
-0.06 |
12820094 |
8705 |
11595 |
66.0 |
39.0 |
54.0 |
Fri, Apr 13, 2018 |
3610.95 |
-0.10 |
12826163 |
7131 |
12225 |
59.0 |
39.0 |
54.0 |
Thu, Apr 12, 2018 |
3611.05 |
-0.13 |
12836281 |
5338 |
12089 |
73.0 |
44.0 |
54.0 |
Averages of List |
3610.51 |
-0.09 |
12781448.93 |
7221.57 |
11911.14 |
72.43 |
46.36 |
54.8 |
Averages for April 27th
AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Since Filled |
3637.19 |
0.12 |
16107529.86 |
18354.62 |
12681.43 |
73.62 |
48.17 |
57.6 |
All-Time |
3620.66 |
0.10 |
14744012.87 |
18099.53 |
12947.33 |
73.36 |
46.89 |
57.6 |
Last 10 April 27th's data records
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Thu, Apr 27, 2017 |
3603.20 |
0.23 |
12058012 |
23469 |
10927 |
70.0 |
52.0 |
57.0 |
Wed, Apr 27, 2016 |
3591.79 |
0.08 |
10983327 |
15976 |
11634 |
64.9 |
50.0 |
57.0 |
Mon, Apr 27, 2015 |
3590.33 |
-0.04 |
10850405 |
8773 |
10391 |
51.0 |
48.0 |
61.0 |
Sun, Apr 27, 2014 |
3576.52 |
0.28 |
9644346 |
20518 |
7402 |
64.9 |
46.0 |
57.0 |
Sat, Apr 27, 2013 |
3596.74 |
-0.07 |
11441696 |
5192 |
8393 |
79.0 |
53.1 |
56.0 |
Fri, Apr 27, 2012 |
3635.74 |
0.09 |
15505656 |
16430 |
10278 |
73.9 |
54.0 |
62.0 |
Wed, Apr 27, 2011 |
3611.31 |
0.28 |
12862614 |
24435 |
15433 |
62.1 |
39.9 |
54.0 |
Tue, Apr 27, 2010 |
3620.09 |
0.15 |
13772771 |
17622 |
10288 |
81.0 |
50.0 |
57.0 |
Mon, Apr 27, 2009 |
3610.48 |
0.09 |
12778677 |
18566 |
10208 |
73.0 |
43.0 |
54.0 |
Sun, Apr 27, 2008 |
3593.25 |
0.35 |
11117284 |
24245 |
11145 |
69.1 |
43.0 |
56.0 |
Averages of List |
3602.95 |
0.14 |
12101478.80 |
17522.60 |
10609.90 |
68.89 |
47.90 |
57.1 |
Accessibility of Primitive Launches and Other Sites
As of Wednesday, April 25th, 2018 where elevation was 3609.88'
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 |
29.88 Above |
Open and Usable |
Antelope Point |
3592.00 |
3590.00 |
19.88 Above |
Open and Usable |
Hite Marina |
3650.00 |
3645.00 |
35.12 Below |
Unusable, go to main marinas |
Farley Canyon |
3653.00 |
3649.00 |
39.12 Below |
Unusable, go to main marinas |
Copper Canyon |
3663.00 |
3660.00 |
50.12 Below |
Unusable, go to main marinas |
Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
58.12 Below |
Unusable, use Main Channel |
Piute Farms |
3682.00 |
3680.00 |
70.12 Below |
Unusable, go to main marinas |
Gunsite Pass Cut-Off |
3685.00 |
3680.00 |
70.12 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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