Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 79.53 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 56.79% of Full Pool (24,322,000 af)
| Total inflows for water year 2019: 11,221,124 acre feet
This is 112.61% of the August 19th average of 9,964,869 acre feet | Total releases for water year 2019: 7,952,185 acre feet
This is 106.03% of the minimum required of 7,500,000 acre feet |
| During WY 2019, water storage has risen by 2,796,828 AF and total inflows have exceeded total outflows by 3,268,939 AF |
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The 28 tracked reservoirs above Lake Powell are currently at 91.25% of capacity. Click for Details |
| Inflows for WY 2019 are 223.19% of WY 2018
Rivers feeding Lake Powell are running at 103.22% of the Aug 20th avg. Click for Details
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Lake Powell is up 20.86 feet from one year ago. Lake Powell is down 1.21 feet from the high for water year.
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View CFS
Last 14 Measurements
Lake Powell is down -1.13 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (af) |
OUTFLOW (af) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Mon, Aug 19, 2019 |
3620.47 |
-0.13 |
13813089 |
18316 |
31377 |
n/a |
n/a |
n/a |
| Sun, Aug 18, 2019 |
3620.60 |
-0.08 |
13826902 |
15707 |
23032 |
n/a |
n/a |
n/a |
| Sat, Aug 17, 2019 |
3620.68 |
-0.08 |
13835407 |
15638 |
22969 |
n/a |
n/a |
n/a |
| Fri, Aug 16, 2019 |
3620.76 |
-0.15 |
13843916 |
16997 |
32377 |
n/a |
n/a |
n/a |
| Thu, Aug 15, 2019 |
3620.91 |
-0.13 |
13859881 |
18621 |
31714 |
n/a |
n/a |
n/a |
| Wed, Aug 14, 2019 |
3621.04 |
-0.10 |
13873729 |
21860 |
31506 |
n/a |
n/a |
n/a |
| Tue, Aug 13, 2019 |
3621.14 |
-0.14 |
13884388 |
14819 |
29080 |
n/a |
n/a |
n/a |
| Mon, Aug 12, 2019 |
3621.28 |
-0.08 |
13899321 |
23856 |
31208 |
n/a |
n/a |
n/a |
| Sun, Aug 11, 2019 |
3621.36 |
-0.03 |
13907859 |
21281 |
22872 |
n/a |
n/a |
n/a |
| Sat, Aug 10, 2019 |
3621.39 |
-0.04 |
13911062 |
19863 |
22606 |
95.0 |
70.0 |
80.0 |
| Fri, Aug 09, 2019 |
3621.43 |
-0.04 |
13915333 |
27644 |
30389 |
94.0 |
73.0 |
80.0 |
| Thu, Aug 08, 2019 |
3621.47 |
-0.06 |
13919606 |
26428 |
31480 |
96.0 |
73.0 |
80.0 |
| Wed, Aug 07, 2019 |
3621.53 |
-0.07 |
13926016 |
25526 |
31734 |
90.0 |
78.0 |
80.0 |
| Tue, Aug 06, 2019 |
3621.60 |
0.01 |
13933497 |
34453 |
31425 |
98.0 |
76.0 |
80.0 |
| Averages of List |
3621.48 |
-0.04 |
13921102.80 |
26782.80 |
29526.80 |
94.60 |
74.00 |
80.0 |
Averages for August 20th
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (af) |
OUTFLOW (af) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3651.35 |
-0.14 |
17852866 |
16837 |
32369 |
91.5 |
66.8 |
78.8 |
| All-Time |
3637.67 |
-0.12 |
16236632 |
17231 |
30897 |
92.0 |
67.2 |
78.8 |
Last 10 August 20th's data records
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (af) |
OUTFLOW (af) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Mon, Aug 20, 2018 |
3599.34 |
-0.27 |
11687225 |
5314 |
31446 |
0.0 |
0.0 |
79.0 |
| Sun, Aug 20, 2017 |
3632.51 |
-0.15 |
15135846 |
9447 |
25823 |
96.0 |
73.0 |
80.0 |
| Sat, Aug 20, 2016 |
3615.31 |
-0.18 |
13272225 |
10209 |
28535 |
97.0 |
68.0 |
79.0 |
| Thu, Aug 20, 2015 |
3610.62 |
-0.21 |
12792809 |
5582 |
26757 |
99.0 |
72.0 |
78.0 |
| Wed, Aug 20, 2014 |
3606.79 |
-0.05 |
12409903 |
23354 |
27003 |
86.0 |
64.9 |
79.0 |
| Tue, Aug 20, 2013 |
3590.86 |
-0.23 |
10898538 |
5437 |
26521 |
97.0 |
75.9 |
78.0 |
| Mon, Aug 20, 2012 |
3625.11 |
-0.19 |
14312447 |
6290 |
26753 |
96.1 |
75.0 |
80.0 |
| Sat, Aug 20, 2011 |
3657.76 |
-0.21 |
18200992 |
25048 |
49090 |
96.8 |
75.9 |
80.0 |
| Fri, Aug 20, 2010 |
3635.73 |
-0.01 |
15504501 |
16824 |
26543 |
91.0 |
64.9 |
80.0 |
| Thu, Aug 20, 2009 |
3638.80 |
-0.14 |
15861837 |
16364 |
26269 |
98.1 |
70.0 |
75.0 |
| Averages of List |
3621.28 |
-0.16 |
14007632.30 |
12386.76 |
29474.21 |
85.70 |
63.96 |
78.8 |
Accessibility of Primitive Launches and Other Sites
As of Monday, August 19th, 2019 where elevation was 3620.47'
| SITE/LAUNCH NAME |
MINIMUM SAFE
ELEVATION |
ABSOLUTE MINIMUM
USABLE ELEVATION |
CURRENT LEVEL VS.
ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Halls Crossing Launch |
3550.00 |
3548.00 |
72.47 Above |
Open and Usable |
| Wahweap |
3558.00 |
3556.00 |
64.47 Above |
Open and Usable |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
44.47 Above |
Open and Usable |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
40.47 Above |
Open and Usable |
| Antelope Point |
3588.00 |
3587.00 |
33.47 Above |
Open and Usable |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
20.47 Above |
Open and Usable |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
11.47 Above |
Open and Usable |
| Hite Marina |
3650.00 |
3645.00 |
24.53 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
28.53 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
39.53 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
47.53 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
59.53 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 - Acre Feet per day
Outflow - Acre Feet per day
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 1.267 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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