Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 121.99 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 40.17% of Full Pool (24,322,000 af)
| Total inflows for water year 2021: 892,849 acre feet
This is 44.07% of the January 22nd average of 2,025,772 acre feet | Total releases for water year 2021: 2,544,317 acre feet
This is 33.92% of the minimum required of 7,500,000 acre feet |
| During WY 2021, water storage has fallen by 1,586,520 AF and total outflows have exceeded total inflows by 1,651,468 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 70.18% of capacity. Click for Details |
| Inflows for WY 2021 are 53.7% of WY 2020
Rivers feeding Lake Powell are running at 84.35% of the Jan 23rd avg. Click for Details
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Lake Powell is down -28.35 feet from one year ago. Lake Powell is at low for water year and down 17.82 feet from the high.
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View Acre Feet
Last 14 Measurements
Lake Powell is down -2.55 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| 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 |
| Sat, Jan 09, 2021 |
3580.56 |
-0.18 |
9987585 |
3102 |
11420 |
49.0 |
24.0 |
47.0 |
| Averages of List |
3579.28 |
-0.19 |
9878012 |
3390 |
12544 |
48.5 |
28.4 |
47.7 |
Averages for January 23rd
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3637.42 |
-0.12 |
16138159 |
7565 |
14625 |
47.6 |
27.6 |
47.3 |
| All-Time |
3621.81 |
-0.09 |
14815183 |
8083 |
13452 |
47.3 |
27.6 |
47.3 |
Last 10 January 23rd's data records
| DATE MEASURED |
ELEVATION |
CHG vs TODAY |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Thu, Jan 23, 2020 |
3606.24 |
28.23 |
12355552 |
4470 |
10788 |
47.0 |
31.0 |
47.0 |
| Wed, Jan 23, 2019 |
3577.61 |
-0.40 |
9736174 |
5415 |
13135 |
45.0 |
25.0 |
46.0 |
| Tue, Jan 23, 2018 |
3620.19 |
42.18 |
13783372 |
6386 |
14328 |
45.0 |
25.0 |
49.0 |
| Mon, Jan 23, 2017 |
3597.08 |
19.07 |
11473617 |
5301 |
15416 |
48.0 |
37.0 |
48.0 |
| Sat, Jan 23, 2016 |
3597.51 |
19.50 |
11514068 |
6322 |
13380 |
42.1 |
32.0 |
48.0 |
| Fri, Jan 23, 2015 |
3594.48 |
16.47 |
11230943 |
7069 |
14522 |
n/a |
n/a |
47.5 |
| Thu, Jan 23, 2014 |
3580.21 |
2.20 |
9957536 |
6492 |
13391 |
50.0 |
28.0 |
45.0 |
| Wed, Jan 23, 2013 |
3605.49 |
27.48 |
12281693 |
2346 |
12923 |
42.1 |
27.0 |
45.0 |
| Mon, Jan 23, 2012 |
3637.46 |
59.45 |
15705163 |
7012 |
13193 |
39.0 |
33.1 |
49.0 |
| Sun, Jan 23, 2011 |
3622.09 |
44.08 |
13985951 |
6879 |
16530 |
46.9 |
32.0 |
47.0 |
| Averages of List |
3603.84 |
-0.16 |
12202407 |
5769 |
13761 |
45.0 |
30.0 |
47.2 |
Accessibility of Primitive Launches and Other Sites
As of Friday, January 22nd, 2021 where elevation was 3578.01'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Halls Crossing Launch |
3550.00 |
3548.00 |
30.01 Above |
Open and Usable |
| Wahweap |
3558.00 |
3556.00 |
22.01 Above |
Open and Usable |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
2.01 Above |
Open and Usable |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
1.99 Below |
Unusable, use Main Channel |
| Antelope Point |
3588.00 |
3587.00 |
8.99 Below |
Unusable, go to main marinas |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
21.99 Below |
Unusable, go to main marinas |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
30.99 Below |
Unusable, go to main marinas |
| Hite Marina |
3650.00 |
3645.00 |
66.99 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
70.99 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
81.99 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
89.99 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
101.99 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 1.002 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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