Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 122.14 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 40.12% of Full Pool (24,322,000 af)
| Total inflows for water year 2021: 902,084 acre feet
This is 44.18% of the January 23rd average of 2,041,788 acre feet | Total releases for water year 2021: 2,567,056 acre feet
This is 34.23% of the minimum required of 7,500,000 acre feet |
| During WY 2021, water storage has fallen by 1,599,220 AF and total outflows have exceeded total inflows by 1,664,972 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 70.19% of capacity. Click for Details |
| Inflows for WY 2021 are 53.98% of WY 2020
Rivers feeding Lake Powell are running at 84.75% of the Jan 24th avg. Click for Details
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Lake Powell is down -28.38 feet from one year ago. Lake Powell is at low for water year and down 17.97 feet from the high.
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View Acre Feet
Last 14 Measurements
Lake Powell is down -2.57 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Sat, Jan 23, 2021 |
3577.86 |
-0.15 |
9757317 |
4656 |
11464 |
50.0 |
35.0 |
n/a |
| Fri, Jan 22, 2021 |
3578.01 |
-0.18 |
9770017 |
4933 |
13132 |
50.0 |
37.0 |
n/a |
| Thu, Jan 21, 2021 |
3578.19 |
-0.20 |
9785271 |
3821 |
12953 |
51.0 |
30.0 |
n/a |
| Wed, Jan 20, 2021 |
3578.39 |
-0.20 |
9802239 |
1160 |
13079 |
49.0 |
35.0 |
47.0 |
| Tue, Jan 19, 2021 |
3578.59 |
-0.25 |
9819226 |
1702 |
13172 |
45.0 |
36.0 |
47.0 |
| Mon, Jan 18, 2021 |
3578.84 |
-0.17 |
9840487 |
5512 |
13286 |
54.0 |
32.0 |
48.0 |
| Sun, Jan 17, 2021 |
3579.01 |
-0.13 |
9854962 |
4806 |
10730 |
53.0 |
28.0 |
48.0 |
| Sat, Jan 16, 2021 |
3579.14 |
-0.17 |
9866040 |
3805 |
11593 |
56.0 |
30.0 |
48.0 |
| Fri, Jan 15, 2021 |
3579.31 |
-0.24 |
9880540 |
2130 |
13180 |
50.0 |
28.0 |
48.0 |
| Thu, Jan 14, 2021 |
3579.55 |
-0.20 |
9901034 |
3417 |
12619 |
50.0 |
26.0 |
48.0 |
| Wed, Jan 13, 2021 |
3579.75 |
-0.21 |
9918133 |
3701 |
13381 |
43.0 |
23.0 |
47.0 |
| Tue, Jan 12, 2021 |
3579.96 |
-0.21 |
9936109 |
3547 |
13237 |
42.0 |
20.0 |
48.0 |
| Mon, Jan 11, 2021 |
3580.17 |
-0.26 |
9954105 |
1118 |
13158 |
44.0 |
22.0 |
48.0 |
| Sun, Jan 10, 2021 |
3580.43 |
-0.13 |
9976417 |
4702 |
10674 |
43.0 |
26.0 |
48.0 |
| Averages of List |
3579.09 |
-0.19 |
9861564 |
3501 |
12547 |
48.6 |
29.1 |
47.7 |
Averages for January 25th
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3637.18 |
-0.12 |
16110861 |
7579 |
14715 |
48.8 |
28.5 |
47.5 |
| All-Time |
3621.62 |
-0.09 |
14793512 |
8115 |
13506 |
47.9 |
28.2 |
47.5 |
Last 10 January 25th's data records
| DATE MEASURED |
ELEVATION |
CHG vs TODAY |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Sat, Jan 25, 2020 |
3606.04 |
28.18 |
12335827 |
6702 |
12475 |
42.0 |
29.0 |
47.0 |
| Fri, Jan 25, 2019 |
3577.27 |
-0.59 |
9707469 |
8211 |
13158 |
48.0 |
29.0 |
46.0 |
| Thu, Jan 25, 2018 |
3619.91 |
42.05 |
13753704 |
4736 |
14395 |
55.0 |
28.0 |
49.0 |
| Wed, Jan 25, 2017 |
3596.76 |
18.90 |
11443572 |
6929 |
15493 |
41.0 |
25.0 |
48.0 |
| Mon, Jan 25, 2016 |
3597.28 |
19.42 |
11492420 |
7431 |
14480 |
46.9 |
30.0 |
48.0 |
| Sun, Jan 25, 2015 |
3594.26 |
16.40 |
11210560 |
6700 |
12631 |
44.0 |
27.0 |
48.0 |
| Sat, Jan 25, 2014 |
3579.82 |
1.96 |
9924123 |
4867 |
12684 |
48.0 |
28.0 |
45.0 |
| Fri, Jan 25, 2013 |
3605.16 |
27.30 |
12249289 |
4041 |
12995 |
48.0 |
37.9 |
45.0 |
| Wed, Jan 25, 2012 |
3637.33 |
59.47 |
15690022 |
6282 |
13092 |
48.9 |
32.0 |
49.0 |
| Tue, Jan 25, 2011 |
3621.75 |
43.89 |
13949539 |
6972 |
17297 |
48.9 |
28.9 |
47.0 |
| Averages of List |
3603.56 |
-0.15 |
12175653 |
6287 |
13870 |
47.1 |
29.5 |
47.2 |
Accessibility of Primitive Launches and Other Sites
As of Saturday, January 23rd, 2021 where elevation was 3577.86'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Halls Crossing Launch |
3550.00 |
3548.00 |
29.86 Above |
Open and Usable |
| Wahweap |
3558.00 |
3556.00 |
21.86 Above |
Open and Usable |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
1.86 Above |
Maybe, if you're lucky. Go slow and be watchful |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
2.14 Below |
Unusable, use Main Channel |
| Antelope Point |
3588.00 |
3587.00 |
9.14 Below |
Unusable, go to main marinas |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
22.14 Below |
Unusable, go to main marinas |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
31.14 Below |
Unusable, go to main marinas |
| Hite Marina |
3650.00 |
3645.00 |
67.14 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
71.14 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
82.14 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
90.14 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
102.14 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 1.481 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 - 2021
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