Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 166.45 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 24.88% of Full Pool (24,322,000 af)
| Total inflows for water year 2022: 5,015,829 acre feet
This is 51.89% of the August 17th average of 9,665,848 acre feet | Total releases for water year 2022: 6,122,926 acre feet
This is 81.64% of the minimum required of 7,500,000 acre feet |
| During WY 2022, water storage has fallen by 1,202,715 AF and total outflows have exceeded total inflows by 1,107,097 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 65.56% of capacity. Click for Details |
| Inflows for WY 2022 are 147.38% of WY 2021
Rivers feeding Lake Powell are running at 98.39% of the Aug 18th avg. Click for Details
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Lake Powell is down -17.14 feet from one year ago. Lake Powell is up 11.31 feet from the low for water year.
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View Acre Feet
Last 14 Measurements
Lake Powell is down -2.15 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Wed, Aug 17, 2022 |
3533.55 |
-0.14 |
6,050,129 |
7372 |
11563 |
0.0 |
0.0 |
79.0 |
| Tue, Aug 16, 2022 |
3533.69 |
-0.20 |
6,058,625 |
6184 |
12364 |
90.0 |
70.0 |
79.0 |
| Mon, Aug 15, 2022 |
3533.89 |
-0.04 |
6,070,775 |
11596 |
12484 |
88.0 |
69.0 |
79.0 |
| Sun, Aug 14, 2022 |
3533.93 |
-0.12 |
6,073,207 |
5849 |
9387 |
91.0 |
76.0 |
n/a |
| Sat, Aug 13, 2022 |
3534.05 |
-0.12 |
6,080,505 |
5783 |
9324 |
90.0 |
70.0 |
n/a |
| Fri, Aug 12, 2022 |
3534.17 |
-0.15 |
6,087,809 |
7944 |
12483 |
92.0 |
73.0 |
n/a |
| Thu, Aug 11, 2022 |
3534.32 |
-0.19 |
6,096,946 |
6569 |
12440 |
94.0 |
72.0 |
n/a |
| Wed, Aug 10, 2022 |
3534.51 |
-0.27 |
6,108,531 |
3894 |
12433 |
96.0 |
72.0 |
n/a |
| Tue, Aug 09, 2022 |
3534.78 |
-0.25 |
6,125,018 |
4456 |
12342 |
97.0 |
78.0 |
n/a |
| Mon, Aug 08, 2022 |
3535.03 |
-0.21 |
6,140,307 |
5903 |
12466 |
99.0 |
75.0 |
n/a |
| Sun, Aug 07, 2022 |
3535.24 |
-0.14 |
6,153,167 |
5147 |
9379 |
100.0 |
75.0 |
n/a |
| Sat, Aug 06, 2022 |
3535.38 |
-0.12 |
6,161,749 |
5815 |
9382 |
96.0 |
75.0 |
n/a |
| Fri, Aug 05, 2022 |
3535.50 |
-0.20 |
6,169,111 |
6216 |
12461 |
93.0 |
75.0 |
n/a |
| Thu, Aug 04, 2022 |
3535.70 |
-0.20 |
6,181,393 |
6252 |
12505 |
99.0 |
78.0 |
n/a |
| Averages of List |
3534.55 |
-0.17 |
6,111,234 |
6356 |
11501 |
87.5 |
68.4 |
79.0 |
Averages for August 18th
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3647.32 |
-0.14 |
17,406,272 |
8851 |
16068 |
95.1 |
68.5 |
79.6 |
| All-Time |
3635.52 |
-0.13 |
16,006,973 |
9008 |
15383 |
94.8 |
68.3 |
79.6 |
Last 10 August 18th's data records
| DATE MEASURED |
ELEVATION |
CHG vs TODAY |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Wed, Aug 18, 2021 |
3550.56 |
17.01 |
7,625,344 |
8911 |
13441 |
91.0 |
70.0 |
83.0 |
| Tue, Aug 18, 2020 |
3602.49 |
68.94 |
11,989,223 |
2695 |
15565 |
105.0 |
72.0 |
81.0 |
| Sun, Aug 18, 2019 |
3620.60 |
87.05 |
13,826,902 |
7919 |
11612 |
99.0 |
70.0 |
80.0 |
| Sat, Aug 18, 2018 |
3599.78 |
66.23 |
11,729,102 |
5622 |
11555 |
98.0 |
77.0 |
79.0 |
| Fri, Aug 18, 2017 |
3632.78 |
99.23 |
15,166,517 |
7862 |
14891 |
97.0 |
70.0 |
80.0 |
| Thu, Aug 18, 2016 |
3615.71 |
82.16 |
13,313,650 |
7527 |
14524 |
93.0 |
69.0 |
79.0 |
| Tue, Aug 18, 2015 |
3610.97 |
77.42 |
12,828,186 |
5553 |
13491 |
98.1 |
71.0 |
80.0 |
| Mon, Aug 18, 2014 |
3607.00 |
73.45 |
12,430,698 |
8926 |
13466 |
96.1 |
73.0 |
77.0 |
| Sun, Aug 18, 2013 |
3591.30 |
57.75 |
10,938,601 |
4518 |
11694 |
91.9 |
68.0 |
77.0 |
| Sat, Aug 18, 2012 |
3625.41 |
91.86 |
14,345,183 |
2924 |
12662 |
97.0 |
72.0 |
80.0 |
| Averages of List |
3605.66 |
-0.15 |
12,419,341 |
6246 |
13290 |
96.6 |
71.2 |
79.6 |
Accessibility of Launch Ramps, Primitive Launches and Other Sites
As of Wednesday, August 17th, 2022 where elevation was 3533.55'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Wahweap |
3553.00 |
3551.00 |
17.45 Below |
Unusable, go to main marinas |
| Halls Crossing Launch |
3556.00 |
3553.00 |
19.45 Below |
Unusable, go to main marinas |
| Stateline Launch |
3564.00 |
3562.00 |
28.45 Below |
Unusable, go to main marinas |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
42.45 Below |
Unusable, go to main marinas |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
46.45 Below |
Unusable, use Main Channel |
| Antelope Point |
3588.00 |
3587.00 |
53.45 Below |
Unusable, go to main marinas |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
66.45 Below |
Unusable, go to main marinas |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
75.45 Below |
Unusable, go to main marinas |
| Hite Marina |
3650.00 |
3645.00 |
111.45 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
115.45 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
126.45 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
134.45 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
146.45 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 1.845 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 - 2022
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