Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 80.23 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 56.49% of Full Pool (24,322,000 af)
| Total inflows for water year 2019: 11,274,884 acre feet
This is 112.36% of the August 23rd average of 10,034,998 acre feet | Total releases for water year 2019: 8,078,684 acre feet
This is 107.72% of the minimum required of 7,500,000 acre feet |
| During WY 2019, water storage has risen by 2,722,624 AF and total inflows have exceeded total outflows by 3,196,200 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 90.69% of capacity. Click for Details |
| Inflows for WY 2019 are 222.43% of WY 2018
Rivers feeding Lake Powell are running at 93.72% of the Aug 24th avg. Click for Details
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Lake Powell is up 21.05 feet from one year ago. Lake Powell is down 1.91 feet from the high for water year.
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View Acre Feet
Last 14 Measurements
Lake Powell is down -1.62 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Fri, Aug 23, 2019 |
3619.77 |
-0.20 |
13738885 |
5225 |
15822 |
n/a |
n/a |
n/a |
| Thu, Aug 22, 2019 |
3619.97 |
-0.16 |
13760057 |
7673 |
15972 |
n/a |
n/a |
n/a |
| Wed, Aug 21, 2019 |
3620.13 |
-0.17 |
13777011 |
7007 |
15891 |
n/a |
n/a |
n/a |
| Tue, Aug 20, 2019 |
3620.30 |
-0.17 |
13795041 |
7199 |
16091 |
n/a |
n/a |
n/a |
| Mon, Aug 19, 2019 |
3620.47 |
-0.13 |
13813089 |
9234 |
15819 |
n/a |
n/a |
n/a |
| Sun, Aug 18, 2019 |
3620.60 |
-0.08 |
13826902 |
7919 |
11612 |
n/a |
n/a |
n/a |
| Sat, Aug 17, 2019 |
3620.68 |
-0.08 |
13835407 |
7884 |
11580 |
n/a |
n/a |
n/a |
| Fri, Aug 16, 2019 |
3620.76 |
-0.15 |
13843916 |
8569 |
16323 |
n/a |
n/a |
n/a |
| Thu, Aug 15, 2019 |
3620.91 |
-0.13 |
13859881 |
9388 |
15989 |
n/a |
n/a |
n/a |
| Wed, Aug 14, 2019 |
3621.04 |
-0.10 |
13873729 |
11021 |
15884 |
n/a |
n/a |
n/a |
| Tue, Aug 13, 2019 |
3621.14 |
-0.14 |
13884388 |
7471 |
14661 |
n/a |
n/a |
n/a |
| Mon, Aug 12, 2019 |
3621.28 |
-0.08 |
13899321 |
12027 |
15734 |
n/a |
n/a |
n/a |
| Sun, Aug 11, 2019 |
3621.36 |
-0.03 |
13907859 |
10729 |
11531 |
n/a |
n/a |
n/a |
| Sat, Aug 10, 2019 |
3621.39 |
-0.04 |
13911062 |
10014 |
11397 |
95.0 |
70.0 |
80.0 |
| Averages of List |
3621.39 |
-0.04 |
13911062.00 |
10014.00 |
11397.00 |
95.00 |
70.00 |
80.0 |
Averages for August 24th
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3650.78 |
-0.14 |
17781946 |
8826 |
16341 |
90.5 |
66.0 |
79.0 |
| All-Time |
3637.11 |
-0.14 |
16171282 |
8849 |
15566 |
91.8 |
66.2 |
79.0 |
Last 10 August 24th's data records
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Fri, Aug 24, 2018 |
3598.48 |
-0.24 |
11605648 |
4318 |
15888 |
0.0 |
0.0 |
78.0 |
| Thu, Aug 24, 2017 |
3631.90 |
-0.15 |
15066716 |
7021 |
15251 |
93.0 |
73.0 |
80.0 |
| Wed, Aug 24, 2016 |
3614.63 |
-0.19 |
13201996 |
5393 |
15163 |
89.0 |
64.0 |
77.0 |
| Mon, Aug 24, 2015 |
3610.07 |
-0.16 |
12737347 |
5539 |
13441 |
98.1 |
73.0 |
81.0 |
| Sun, Aug 24, 2014 |
3606.29 |
-0.14 |
12360486 |
5105 |
11780 |
91.0 |
66.9 |
76.0 |
| Sat, Aug 24, 2013 |
3590.11 |
-0.09 |
10830466 |
8497 |
12175 |
89.1 |
70.0 |
77.0 |
| Fri, Aug 24, 2012 |
3624.58 |
-0.07 |
14254748 |
10184 |
13363 |
91.0 |
69.1 |
n/a |
| Wed, Aug 24, 2011 |
3656.85 |
-0.22 |
18083450 |
11969 |
24776 |
n/a |
n/a |
81.0 |
| Tue, Aug 24, 2010 |
3635.43 |
-0.15 |
15469889 |
9890 |
13437 |
93.0 |
66.9 |
80.0 |
| Mon, Aug 24, 2009 |
3638.33 |
-0.09 |
15806760 |
7654 |
13229 |
89.1 |
63.0 |
76.0 |
| Averages of List |
3620.67 |
-0.15 |
13941750.60 |
7557.00 |
14850.30 |
81.48 |
60.66 |
78.4 |
Accessibility of Primitive Launches and Other Sites
As of Friday, August 23rd, 2019 where elevation was 3619.77'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Halls Crossing Launch |
3550.00 |
3548.00 |
71.77 Above |
Open and Usable |
| Wahweap |
3558.00 |
3556.00 |
63.77 Above |
Open and Usable |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
43.77 Above |
Open and Usable |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
39.77 Above |
Open and Usable |
| Antelope Point |
3588.00 |
3587.00 |
32.77 Above |
Open and Usable |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
19.77 Above |
Open and Usable |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
10.77 Above |
Open and Usable |
| Hite Marina |
3650.00 |
3645.00 |
25.23 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
29.23 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
40.23 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
48.23 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
60.23 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 0.151 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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