Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 82.9 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 55.33% of Full Pool (24,322,000 af)
| Total inflows for water year 2019: 11,520,753 acre feet
This is 110.71% of the September 13th average of 10,405,945 acre feet | Total releases for water year 2019: 8,600,434 acre feet
This is 114.67% of the minimum required of 7,500,000 acre feet |
| During WY 2019, water storage has risen by 2,441,996 AF and total inflows have exceeded total outflows by 2,920,319 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 86.84% of capacity. Click for Details |
| Inflows for WY 2019 are 219.09% of WY 2018
Rivers feeding Lake Powell are running at 94.59% of the Sep 15th avg. Click for Details
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Lake Powell is up 22.00 feet from one year ago. Lake Powell is down 4.58 feet from the high for water year.
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View Acre Feet
Last 14 Measurements
Lake Powell is down -1.45 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Fri, Sep 13, 2019 |
3617.10 |
-0.12 |
13458257 |
6141 |
12090 |
0.0 |
0.0 |
77.0 |
| Thu, Sep 12, 2019 |
3617.22 |
-0.14 |
13470789 |
4401 |
11491 |
0.0 |
0.0 |
77.0 |
| Wed, Sep 11, 2019 |
3617.36 |
-0.10 |
13485419 |
6909 |
11727 |
n/a |
n/a |
n/a |
| Tue, Sep 10, 2019 |
3617.46 |
-0.13 |
13495876 |
5179 |
11708 |
0.0 |
0.0 |
77.0 |
| Mon, Sep 09, 2019 |
3617.59 |
-0.11 |
13509477 |
3580 |
11824 |
0.0 |
0.0 |
77.0 |
| Sun, Sep 08, 2019 |
3617.70 |
-0.13 |
13520992 |
2799 |
9335 |
0.0 |
0.0 |
78.0 |
| Sat, Sep 07, 2019 |
3617.83 |
-0.10 |
13534610 |
6743 |
11571 |
0.0 |
0.0 |
78.0 |
| Fri, Sep 06, 2019 |
3617.93 |
-0.06 |
13545091 |
7056 |
11886 |
98.0 |
71.0 |
78.0 |
| Thu, Sep 05, 2019 |
3617.99 |
-0.16 |
13551382 |
3865 |
12125 |
98.0 |
72.0 |
79.0 |
| Wed, Sep 04, 2019 |
3618.15 |
-0.13 |
13568168 |
6134 |
12685 |
101.0 |
74.0 |
80.0 |
| Tue, Sep 03, 2019 |
3618.28 |
-0.07 |
13581817 |
8605 |
11727 |
99.0 |
73.0 |
79.0 |
| Mon, Sep 02, 2019 |
3618.35 |
-0.12 |
13589170 |
4592 |
10577 |
99.0 |
74.0 |
79.0 |
| Sun, Sep 01, 2019 |
3618.47 |
-0.08 |
13601781 |
6555 |
10252 |
103.0 |
69.0 |
79.0 |
| Sat, Aug 31, 2019 |
3618.55 |
-0.10 |
13610192 |
6805 |
11608 |
102.0 |
74.0 |
78.0 |
| Averages of List |
3617.86 |
-0.11 |
13537359 |
5669 |
11472 |
53.8 |
39.0 |
78.2 |
Averages for September 15th
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3648.64 |
-0.06 |
17506985 |
9947 |
13015 |
84.6 |
58.2 |
75.7 |
| All-Time |
3634.84 |
-0.07 |
15907084 |
9753 |
12248 |
84.9 |
58.8 |
75.7 |
Last 10 September 15th's data records
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Sat, Sep 15, 2018 |
3594.76 |
0.14 |
11256919 |
3353 |
11198 |
0.0 |
0.0 |
75.0 |
| Fri, Sep 15, 2017 |
3629.54 |
0.04 |
14801386 |
14872 |
11486 |
82.0 |
54.0 |
78.0 |
| Thu, Sep 15, 2016 |
3611.86 |
-0.15 |
12918436 |
4764 |
12223 |
82.0 |
54.0 |
74.0 |
| Tue, Sep 15, 2015 |
3607.64 |
-0.05 |
12494215 |
10497 |
12382 |
82.9 |
61.0 |
77.0 |
| Mon, Sep 15, 2014 |
3605.87 |
-0.01 |
12319078 |
10663 |
10388 |
93.9 |
69.1 |
76.0 |
| Sun, Sep 15, 2013 |
3590.88 |
0.29 |
10900357 |
23926 |
8842 |
81.0 |
63.0 |
77.0 |
| Sat, Sep 15, 2012 |
3622.58 |
-0.09 |
14038550 |
3647 |
8008 |
88.0 |
63.0 |
76.0 |
| Thu, Sep 15, 2011 |
3654.06 |
-0.05 |
17726384 |
13131 |
15512 |
72.0 |
57.2 |
74.0 |
| Wed, Sep 15, 2010 |
3633.96 |
-0.03 |
15301077 |
7597 |
8102 |
89.1 |
63.0 |
74.0 |
| Tue, Sep 15, 2009 |
3636.38 |
-0.05 |
15579682 |
7054 |
10044 |
82.9 |
62.1 |
76.0 |
| Averages of List |
3618.75 |
0.00 |
13733608 |
9950 |
10819 |
75.4 |
54.6 |
75.7 |
Accessibility of Primitive Launches and Other Sites
As of Friday, September 13th, 2019 where elevation was 3617.10'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Halls Crossing Launch |
3550.00 |
3548.00 |
69.1 Above |
Open and Usable |
| Wahweap |
3558.00 |
3556.00 |
61.1 Above |
Open and Usable |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
41.1 Above |
Open and Usable |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
37.1 Above |
Open and Usable |
| Antelope Point |
3588.00 |
3587.00 |
30.1 Above |
Open and Usable |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
17.1 Above |
Open and Usable |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
8.1 Above |
Open and Usable |
| Hite Marina |
3650.00 |
3645.00 |
27.9 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
31.9 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
42.9 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
50.9 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
62.9 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 0.361 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 - 2019
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