Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 165.68 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 25.07% of Full Pool (24,322,000 af)
| Total inflows for water year 2022: 4,927,111 acre feet
This is 51.58% of the August 11th average of 9,552,733 acre feet | Total releases for water year 2022: 5,988,831 acre feet
This is 79.85% of the minimum required of 7,500,000 acre feet |
| During WY 2022, water storage has fallen by 1,155,898 AF and total outflows have exceeded total inflows by 1,061,720 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 66.08% of capacity. Click for Details |
| Inflows for WY 2022 are 146.89% of WY 2021
Rivers feeding Lake Powell are running at 49.36% of the Aug 13th avg. Click for Details
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Lake Powell is down -17.76 feet from one year ago. Lake Powell is up 12.08 feet from the low for water year.
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View Acre Feet
Last 14 Measurements
Lake Powell is down -1.86 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| 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 |
| Wed, Aug 03, 2022 |
3535.90 |
-0.15 |
6,193,689 |
7885 |
12469 |
98.0 |
77.0 |
n/a |
| Tue, Aug 02, 2022 |
3536.05 |
-0.12 |
6,202,921 |
8829 |
12409 |
98.0 |
80.0 |
n/a |
| Mon, Aug 01, 2022 |
3536.17 |
-0.03 |
6,210,312 |
11843 |
12405 |
94.0 |
75.0 |
n/a |
| Sun, Jul 31, 2022 |
3536.20 |
0.00 |
6,212,161 |
9678 |
9238 |
91.0 |
75.0 |
n/a |
| Sat, Jul 30, 2022 |
3536.20 |
0.02 |
6,212,161 |
10422 |
9310 |
87.0 |
71.0 |
n/a |
| Fri, Jul 29, 2022 |
3536.18 |
-0.09 |
6,210,928 |
9104 |
11685 |
89.0 |
70.0 |
n/a |
| Averages of List |
3535.51 |
-0.14 |
6,169,885 |
7287 |
11495 |
95.1 |
74.9 |
n/a |
Averages for August 13th
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3648.05 |
-0.14 |
17,495,566 |
9154 |
16760 |
94.7 |
69.7 |
79.8 |
| All-Time |
3636.17 |
-0.11 |
16,085,545 |
9543 |
15225 |
95.2 |
70.1 |
79.8 |
Last 10 August 13th's data records
| DATE MEASURED |
ELEVATION |
CHG vs TODAY |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Fri, Aug 13, 2021 |
3551.63 |
17.31 |
7,702,463 |
5047 |
12758 |
100.0 |
77.0 |
82.0 |
| Thu, Aug 13, 2020 |
3603.55 |
69.23 |
12,092,020 |
3048 |
14931 |
101.0 |
69.0 |
81.0 |
| Tue, Aug 13, 2019 |
3621.14 |
86.82 |
13,884,388 |
7471 |
14661 |
100.0 |
70.0 |
81.0 |
| Mon, Aug 13, 2018 |
3600.90 |
66.58 |
11,836,137 |
1959 |
15765 |
101.0 |
75.0 |
79.0 |
| Sun, Aug 13, 2017 |
3633.40 |
99.08 |
15,237,113 |
7733 |
12920 |
88.0 |
66.0 |
81.0 |
| Sat, Aug 13, 2016 |
3616.56 |
82.24 |
13,401,958 |
6732 |
14326 |
99.0 |
70.0 |
82.0 |
| Thu, Aug 13, 2015 |
3611.61 |
77.29 |
12,893,043 |
6020 |
13430 |
91.0 |
68.0 |
77.0 |
| Wed, Aug 13, 2014 |
3607.35 |
73.03 |
12,465,407 |
14870 |
13471 |
73.9 |
64.9 |
77.0 |
| Tue, Aug 13, 2013 |
3592.14 |
57.82 |
11,015,346 |
2277 |
13478 |
96.1 |
69.1 |
77.0 |
| Mon, Aug 13, 2012 |
3626.29 |
91.97 |
14,441,521 |
2971 |
13952 |
n/a |
n/a |
80.0 |
| Averages of List |
3606.46 |
-0.17 |
12,496,940 |
5813 |
13969 |
94.4 |
69.9 |
79.7 |
Accessibility of Launch Ramps, Primitive Launches and Other Sites
As of Thursday, August 11th, 2022 where elevation was 3534.32'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Wahweap |
3553.00 |
3551.00 |
16.68 Below |
Unusable, go to main marinas |
| Halls Crossing Launch |
3556.00 |
3553.00 |
18.68 Below |
Unusable, go to main marinas |
| Stateline Launch |
3564.00 |
3562.00 |
27.68 Below |
Unusable, go to main marinas |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
41.68 Below |
Unusable, go to main marinas |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
45.68 Below |
Unusable, use Main Channel |
| Antelope Point |
3588.00 |
3587.00 |
52.68 Below |
Unusable, go to main marinas |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
65.68 Below |
Unusable, go to main marinas |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
74.68 Below |
Unusable, go to main marinas |
| Hite Marina |
3650.00 |
3645.00 |
110.68 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
114.68 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
125.68 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
133.68 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
145.68 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 1.425 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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