Lake Powell
Lake Powell
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Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 126.81 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 38.51% of Full Pool (24,322,000 af)
| Total inflows for water year 2019: 1,667,084 acre feet
This is 64.9% of the February 21st average of 2,568,589 acre feet | Total releases for water year 2019: 3,367,311 acre feet
This is 40.92% of the minimum required of 8,230,000 acre feet |
During WY 2019, water storage has fallen by 1,648,888 AF and total outflows have exceeded total inflows by 1,700,227 AF |
The 28 tracked reservoirs above Lake Powell are currently at 65.15% of capacity. Click for Details |
Inflows for WY 2019 are 77.53% of WY 2018  
Rivers feeding Lake Powell are running at 97.14% of the Feb 23rd avg. Click for Details
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Powell is down -43.67 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 |
Thu, Feb 21, 2019 |
3573.19 |
-0.14 |
9367373 |
7572 |
13731 |
n/a |
n/a |
n/a |
Wed, Feb 20, 2019 |
3573.33 |
-0.10 |
9378909 |
8917 |
13285 |
0.0 |
0.0 |
45.0 |
Tue, Feb 19, 2019 |
3573.43 |
-0.18 |
9387155 |
5636 |
13602 |
0.0 |
0.0 |
45.0 |
Mon, Feb 18, 2019 |
3573.61 |
-0.13 |
9402010 |
7807 |
13532 |
0.0 |
0.0 |
45.0 |
Sun, Feb 17, 2019 |
3573.74 |
-0.07 |
9412749 |
8933 |
11961 |
0.0 |
0.0 |
45.0 |
Sat, Feb 16, 2019 |
3573.81 |
-0.15 |
9418535 |
5908 |
12540 |
0.0 |
0.0 |
45.0 |
Fri, Feb 15, 2019 |
3573.96 |
-0.10 |
9430940 |
8323 |
12932 |
0.0 |
0.0 |
45.0 |
Thu, Feb 14, 2019 |
3574.06 |
-0.11 |
9439631 |
7927 |
12539 |
0.0 |
0.0 |
45.0 |
Wed, Feb 13, 2019 |
3574.17 |
-0.18 |
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 |
Averages of List |
3574.10 |
-0.13 |
9442939.77 |
6759.85 |
12640.23 |
0.00 |
0.00 |
45.0 |
Averages for February 23rd
AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Since Filled |
3636.91 |
-0.06 |
16067140.95 |
9139.47 |
13929.29 |
54.08 |
33.11 |
48.0 |
All-Time |
3620.79 |
-0.03 |
14706692.75 |
9598.75 |
12245.15 |
54.11 |
33.02 |
48.0 |
Last 10 February 23rd's data records
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Fri, Feb 23, 2018 |
3616.60 |
0.18 |
13406123 |
5298 |
13068 |
37.0 |
28.0 |
47.0 |
Thu, Feb 23, 2017 |
3594.34 |
-0.04 |
11217969 |
11902 |
13774 |
46.0 |
37.0 |
49.0 |
Tue, Feb 23, 2016 |
3594.68 |
-0.07 |
11249494 |
9733 |
13130 |
53.1 |
37.0 |
50.0 |
Mon, Feb 23, 2015 |
3592.47 |
-0.10 |
11045589 |
6124 |
10976 |
37.0 |
30.0 |
49.0 |
Sun, Feb 23, 2014 |
3576.07 |
-0.09 |
9606604 |
5837 |
9817 |
64.0 |
39.0 |
47.0 |
Sat, Feb 23, 2013 |
3602.09 |
-0.08 |
11950585 |
6053 |
10103 |
48.9 |
30.0 |
45.0 |
Thu, Feb 23, 2012 |
3635.65 |
-0.02 |
15495266 |
10305 |
11371 |
60.1 |
39.9 |
49.0 |
Wed, Feb 23, 2011 |
3615.72 |
-0.15 |
13314687 |
7949 |
15647 |
48.9 |
30.0 |
45.0 |
Tue, Feb 23, 2010 |
3620.58 |
-0.07 |
13824776 |
7183 |
11747 |
43.0 |
26.1 |
50.0 |
Mon, Feb 23, 2009 |
3612.44 |
-0.09 |
12977475 |
6073 |
10915 |
64.0 |
45.0 |
49.0 |
Averages of List |
3606.06 |
-0.05 |
12408856.80 |
7645.70 |
12054.80 |
50.20 |
34.20 |
48.0 |
Accessibility of Primitive Launches and Other Sites
As of Thursday, February 21st, 2019 where elevation was 3573.19'
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 |
6.81 Below |
Unusable, use Main Channel |
Antelope Point |
3592.00 |
3590.00 |
16.81 Below |
Unusable, go to main marinas |
Hite Marina |
3650.00 |
3645.00 |
71.81 Below |
Unusable, go to main marinas |
Farley Canyon |
3653.00 |
3649.00 |
75.81 Below |
Unusable, go to main marinas |
Copper Canyon |
3663.00 |
3660.00 |
86.81 Below |
Unusable, go to main marinas |
Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
94.81 Below |
Unusable, use Main Channel |
Piute Farms |
3682.00 |
3680.00 |
106.81 Below |
Unusable, go to main marinas |
Gunsite Pass Cut-Off |
3685.00 |
3680.00 |
106.81 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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