Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 165.22 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 25.18% of Full Pool (24,322,000 af)
| Total inflows for water year 2022: 4,906,358 acre feet
This is 51.58% of the August 9th average of 9,512,675 acre feet | Total releases for water year 2022: 5,939,496 acre feet
This is 79.19% of the minimum required of 7,500,000 acre feet |
| During WY 2022, water storage has fallen by 1,127,826 AF and total outflows have exceeded total inflows by 1,033,138 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 66.26% of capacity. Click for Details |
| Inflows for WY 2022 are 147.2% of WY 2021
Rivers feeding Lake Powell are running at 54.92% of the Aug 10th avg. Click for Details
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Lake Powell is down -17.70 feet from one year ago. Lake Powell is up 12.54 feet from the low for water year.
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View Acre Feet
Last 14 Measurements
Lake Powell is down -1.60 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| 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 |
| Thu, Jul 28, 2022 |
3536.27 |
-0.11 |
6,216,476 |
8498 |
11752 |
84.0 |
65.0 |
n/a |
| Wed, Jul 27, 2022 |
3536.38 |
-0.15 |
6,223,259 |
7108 |
11708 |
87.0 |
72.0 |
n/a |
| Averages of List |
3535.78 |
-0.13 |
6,186,618 |
7654 |
11394 |
93.7 |
74.4 |
n/a |
Averages for August 11th
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3648.46 |
-0.13 |
17,545,830 |
9979 |
16478 |
96.0 |
70.2 |
79.7 |
| All-Time |
3636.52 |
-0.12 |
16,127,926 |
10115 |
15398 |
96.8 |
71.1 |
79.7 |
Last 10 August 11th's data records
| DATE MEASURED |
ELEVATION |
CHG vs TODAY |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Tue, Aug 10, 2021 |
3552.30 |
17.52 |
7,751,008 |
6168 |
12722 |
99.0 |
77.0 |
81.0 |
| Mon, Aug 10, 2020 |
3604.26 |
69.48 |
12,161,206 |
2619 |
15079 |
100.0 |
71.0 |
80.0 |
| Sat, Aug 10, 2019 |
3621.39 |
86.61 |
13,911,062 |
10014 |
11397 |
95.0 |
70.0 |
80.0 |
| Fri, Aug 10, 2018 |
3601.54 |
66.76 |
11,897,596 |
4571 |
15803 |
100.0 |
74.0 |
79.0 |
| Thu, Aug 10, 2017 |
3633.72 |
98.94 |
15,273,641 |
9176 |
14993 |
98.0 |
72.0 |
80.0 |
| Wed, Aug 10, 2016 |
3617.00 |
82.22 |
13,447,820 |
11848 |
14910 |
91.0 |
70.0 |
80.0 |
| Mon, Aug 10, 2015 |
3611.88 |
77.10 |
12,920,469 |
6600 |
13466 |
88.0 |
66.9 |
77.0 |
| Sun, Aug 10, 2014 |
3607.56 |
72.78 |
12,486,264 |
6116 |
11751 |
98.1 |
73.0 |
78.0 |
| Sat, Aug 10, 2013 |
3592.65 |
57.87 |
11,062,108 |
7977 |
12202 |
87.1 |
68.0 |
77.0 |
| Fri, Aug 10, 2012 |
3626.84 |
92.06 |
14,501,971 |
5557 |
13571 |
n/a |
n/a |
80.0 |
| Averages of List |
3606.91 |
-0.14 |
12,541,315 |
7065 |
13589 |
95.1 |
71.3 |
79.2 |
Accessibility of Launch Ramps, Primitive Launches and Other Sites
As of Tuesday, August 9th, 2022 where elevation was 3534.78'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Wahweap |
3553.00 |
3551.00 |
16.22 Below |
Unusable, go to main marinas |
| Halls Crossing Launch |
3556.00 |
3553.00 |
18.22 Below |
Unusable, go to main marinas |
| Stateline Launch |
3564.00 |
3562.00 |
27.22 Below |
Unusable, go to main marinas |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
41.22 Below |
Unusable, go to main marinas |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
45.22 Below |
Unusable, use Main Channel |
| Antelope Point |
3588.00 |
3587.00 |
52.22 Below |
Unusable, go to main marinas |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
65.22 Below |
Unusable, go to main marinas |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
74.22 Below |
Unusable, go to main marinas |
| Hite Marina |
3650.00 |
3645.00 |
110.22 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
114.22 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
125.22 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
133.22 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
145.22 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 1.304 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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