Lake Powell
Lake Powell
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Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 89.74 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 52.45% of Full Pool (24,322,000 af)
| Total inflows for water year 2018: 2,928,511 acre feet
This is 75.36% of the April 21st average of 3,885,959 acre feet | Total releases for water year 2018: 4,884,640 acre feet
This is 59.35% of the minimum required of 8,230,000 acre feet |
During WY 2018, water storage has fallen by 1,919,048 AF and total outflows have exceeded total inflows by 1,956,129 AF |
The 28 tracked reservoirs above Lake Powell are currently at 76.91% of capacity. Click for Details |
Inflows for WY 2018 are 71.05% of WY 2017  
Rivers feeding Lake Powell are running at 38.74% of the Apr 22nd avg. Click for Details
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Powell is up 9.05 feet from one year ago
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View Acre Feet
Last 14 Measurements Powell is down -1.27 feet over these measurements
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
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 |
Wed, Apr 11, 2018 |
3611.18 |
-0.11 |
12849443 |
6591 |
12243 |
87.0 |
53.0 |
55.0 |
Tue, Apr 10, 2018 |
3611.29 |
-0.12 |
12860587 |
6193 |
12400 |
75.0 |
48.0 |
54.0 |
Mon, Apr 09, 2018 |
3611.41 |
-0.12 |
12872752 |
6064 |
12275 |
70.0 |
50.0 |
54.0 |
Sun, Apr 08, 2018 |
3611.53 |
-0.07 |
12884924 |
6440 |
9891 |
73.0 |
57.0 |
54.0 |
Averages of List |
3610.87 |
-0.10 |
12818470.29 |
6979.36 |
11835.79 |
70.64 |
45.50 |
54.1 |
Averages for April 22nd
AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Since Filled |
3636.67 |
0.10 |
16049527.30 |
16579.27 |
12459.22 |
74.29 |
47.94 |
56.2 |
All-Time |
3620.24 |
0.08 |
14693822.80 |
16028.36 |
12288.02 |
74.07 |
46.51 |
56.2 |
Last 10 April 22nd's data records
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Sat, Apr 22, 2017 |
3601.54 |
0.33 |
11897596 |
27333 |
9676 |
70.0 |
46.0 |
57.0 |
Fri, Apr 22, 2016 |
3591.61 |
0.09 |
10966883 |
16388 |
11553 |
84.0 |
57.0 |
58.0 |
Wed, Apr 22, 2015 |
3590.47 |
-0.01 |
10863106 |
10220 |
10356 |
77.0 |
52.0 |
59.0 |
Tue, Apr 22, 2014 |
3575.16 |
0.11 |
9530579 |
14001 |
8693 |
80.1 |
61.0 |
60.0 |
Mon, Apr 22, 2013 |
3597.25 |
0.01 |
11489598 |
10578 |
9690 |
82.0 |
55.0 |
55.0 |
Sun, Apr 22, 2012 |
3635.92 |
-0.01 |
15526451 |
8851 |
8984 |
90.0 |
59.0 |
60.0 |
Fri, Apr 22, 2011 |
3610.31 |
0.19 |
12761529 |
20472 |
15432 |
71.1 |
48.0 |
54.0 |
Thu, Apr 22, 2010 |
3619.20 |
0.15 |
13678660 |
16794 |
10386 |
55.9 |
37.9 |
57.0 |
Wed, Apr 22, 2009 |
3609.86 |
0.03 |
12716213 |
12606 |
10214 |
84.9 |
55.0 |
56.0 |
Tue, Apr 22, 2008 |
3591.89 |
0.12 |
10992459 |
16994 |
12832 |
73.9 |
41.0 |
54.0 |
Averages of List |
3602.32 |
0.10 |
12042307.40 |
15423.70 |
10781.60 |
76.89 |
51.19 |
57.0 |
Accessibility of Primitive Launches and Other Sites
As of Saturday, April 21st, 2018 where elevation was 3610.26'
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 |
30.26 Above |
Open and Usable |
Antelope Point |
3592.00 |
3590.00 |
20.26 Above |
Open and Usable |
Hite Marina |
3650.00 |
3645.00 |
34.74 Below |
Unusable, go to main marinas |
Farley Canyon |
3653.00 |
3649.00 |
38.74 Below |
Unusable, go to main marinas |
Copper Canyon |
3663.00 |
3660.00 |
49.74 Below |
Unusable, go to main marinas |
Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
57.74 Below |
Unusable, use Main Channel |
Piute Farms |
3682.00 |
3680.00 |
69.74 Below |
Unusable, go to main marinas |
Gunsite Pass Cut-Off |
3685.00 |
3680.00 |
69.74 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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