Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 89.69 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 52.47% of Full Pool (24,322,000 af)
| Total inflows for water year 2020: 1,033,830 acre feet
This is 76.19% of the December 11th average of 1,356,979 acre feet | Total releases for water year 2020: 1,507,765 acre feet
This is 20.1% of the minimum required of 7,500,000 acre feet |
| During WY 2020, water storage has risen by 1,745,268 AF yet total outflows have exceeded total inflows by 473,935 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 82.04% of capacity. Click for Details |
| Inflows for WY 2020 are 114.91% of WY 2019
Rivers feeding Lake Powell are running at 130.57% of the Dec 12th avg. Click for Details
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Lake Powell is up 25.41 feet from one year ago. Lake Powell is at low for water year and down 4.92 feet from the high.
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View Acre Feet
Last 14 Measurements
Lake Powell is down -1.00 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Wed, Dec 11, 2019 |
3610.31 |
-0.11 |
12761529 |
4821 |
10427 |
n/a |
n/a |
n/a |
| Tue, Dec 10, 2019 |
3610.42 |
-0.07 |
12772623 |
9203 |
12613 |
0.0 |
0.0 |
54.0 |
| Mon, Dec 09, 2019 |
3610.49 |
-0.08 |
12779686 |
8679 |
12640 |
0.0 |
0.0 |
54.0 |
| Sun, Dec 08, 2019 |
3610.57 |
-0.07 |
12787761 |
7426 |
10838 |
0.0 |
0.0 |
54.0 |
| Sat, Dec 07, 2019 |
3610.64 |
-0.11 |
12794829 |
6659 |
12273 |
0.0 |
0.0 |
54.0 |
| Fri, Dec 06, 2019 |
3610.75 |
-0.08 |
12805942 |
8675 |
12641 |
0.0 |
0.0 |
54.0 |
| Thu, Dec 05, 2019 |
3610.83 |
-0.07 |
12814028 |
9338 |
12755 |
0.0 |
0.0 |
54.0 |
| Wed, Dec 04, 2019 |
3610.90 |
-0.12 |
12821106 |
6109 |
12281 |
0.0 |
0.0 |
55.0 |
| Tue, Dec 03, 2019 |
3611.02 |
-0.06 |
12833245 |
9782 |
12651 |
47.0 |
32.0 |
55.0 |
| Mon, Dec 02, 2019 |
3611.08 |
-0.12 |
12839318 |
6391 |
12569 |
44.0 |
31.0 |
55.0 |
| Sun, Dec 01, 2019 |
3611.20 |
-0.03 |
12851469 |
9463 |
10679 |
40.0 |
26.0 |
55.0 |
| Sat, Nov 30, 2019 |
3611.23 |
0.01 |
12854508 |
11109 |
9992 |
42.0 |
29.0 |
55.0 |
| Fri, Nov 29, 2019 |
3611.22 |
-0.09 |
12853495 |
6632 |
11032 |
50.0 |
32.0 |
55.0 |
| Thu, Nov 28, 2019 |
3611.31 |
-0.05 |
12862614 |
7118 |
9312 |
60.0 |
46.0 |
56.0 |
| Averages of List |
3610.86 |
-0.07 |
12816582 |
7958 |
11622 |
21.8 |
15.1 |
54.6 |
Averages for December 12th
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3642.98 |
-0.13 |
16795342 |
8051 |
14345 |
47.6 |
30.1 |
53.6 |
| All-Time |
3629.97 |
-0.11 |
15322453 |
8465 |
13335 |
47.2 |
28.9 |
53.6 |
Last 10 December 12th's data records
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Wed, Dec 12, 2018 |
3584.70 |
-0.20 |
10347538 |
3248 |
12464 |
57.0 |
31.0 |
52.0 |
| Tue, Dec 12, 2017 |
3624.34 |
-0.09 |
14228676 |
7608 |
12452 |
50.0 |
26.0 |
55.0 |
| Mon, Dec 12, 2016 |
3603.74 |
-0.19 |
12110509 |
4470 |
14130 |
61.0 |
42.0 |
n/a |
| Sat, Dec 12, 2015 |
3603.65 |
-0.16 |
12101749 |
6163 |
14228 |
48.9 |
35.1 |
55.0 |
| Fri, Dec 12, 2014 |
3600.19 |
-0.21 |
11768208 |
3944 |
14462 |
48.9 |
44.1 |
56.0 |
| Thu, Dec 12, 2013 |
3586.51 |
-0.21 |
10507526 |
340 |
10131 |
32.0 |
19.0 |
50.0 |
| Wed, Dec 12, 2012 |
3613.14 |
-0.19 |
13048965 |
3341 |
13487 |
46.9 |
30.0 |
54.0 |
| Mon, Dec 12, 2011 |
3643.28 |
-0.19 |
16393737 |
8454 |
20351 |
36.0 |
33.1 |
55.0 |
| Sun, Dec 12, 2010 |
3628.71 |
-0.15 |
14708873 |
7375 |
13317 |
55.9 |
36.0 |
53.0 |
| Sat, Dec 12, 2009 |
3629.22 |
-0.18 |
14765669 |
6131 |
13738 |
35.1 |
28.0 |
54.0 |
| Averages of List |
3611.75 |
-0.18 |
12998145 |
5107 |
13876 |
47.2 |
32.4 |
53.8 |
Accessibility of Primitive Launches and Other Sites
As of Wednesday, December 11th, 2019 where elevation was 3610.31'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Halls Crossing Launch |
3550.00 |
3548.00 |
62.31 Above |
Open and Usable |
| Wahweap |
3558.00 |
3556.00 |
54.31 Above |
Open and Usable |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
34.31 Above |
Open and Usable |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
30.31 Above |
Open and Usable |
| Antelope Point |
3588.00 |
3587.00 |
23.31 Above |
Open and Usable |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
10.31 Above |
Open and Usable |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
1.31 Above |
Looking bad, not likely. Go very slow! |
| Hite Marina |
3650.00 |
3645.00 |
34.69 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
38.69 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
49.69 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
57.69 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
69.69 Below |
Unusable, go to main marinas |
| 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
Page took 0.135 seconds to create!
Copyright Summit Technologies, Inc.
Water data courtesy of US Bureau of Reclamation
The water year runs from Oct 1 - Sept 30
Since Filled is from 06/22/1980 forward
*Water temp data is provided by Wayne Gustaveson
as measured in the a.m. at the Wahweap docks
*Air temp data is sourced from (Prev 24 Hr Extremes):
Page, AZ Weather
All data is provisional and subject to review and modification
Call 1-800-752-8525 for up-to-date water level infomation
or go to Lake Powell Source Data
USBR Projected Outlook
Current Snowpack Conditions for Upper Colorado Basin
Copyright Summit Technologies, Inc.
1999 - 2019
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