Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

For September 28th, 2020
Snowpack is 80% of avg
TotalPrecip is 75.00% of avg

Lake Powell is currently 464.43 feet deep at the dam
Water Summary
Today is day 364 of 366 for the Water Year 2020. We are 99% through the Water Year.
Last Reading: 3596.43 on Sep 27, 2020
Powell was last within 2" of this elevation on Sep 5, 2018
There are currently 3,718,825,052,663 gallons of water in Lake Powell!
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Printable Version
Gas Prices on Lake
Detailed Map of Powell
15 Day Weather Forecast
SW Satellite Weather
SW Water Vapor


Elevation & Content Water Inflow Data Glen Canyon Dam Release Data
Lake Powell is 103.57 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 46.92% of Full Pool (24,322,000 af)
Total inflows for water year 2020: 6,475,443 acre feet

This is 61.01% of the September 27th average of 10,613,799 acre feet
Total releases for water year 2020: 8,134,462 acre feet

This is 108.46% of the minimum required of 7,500,000 acre feet
During WY 2020, water storage has fallen by 1,851,310 AF and total outflows have exceeded total inflows by 1,659,019 AF
The 28 tracked reservoirs above Lake Powell are currently at 73.12% of capacity. Click for Details
Inflows for WY 2020 are 55.77% of WY 2019         Rivers feeding Lake Powell are running at 57.98% of the Sep 28th avg. Click for Details

Lake Powell is down -19.26 feet from one year ago.    Lake Powell is at low for water year and down 18.80 feet from the high.

View Acre Feet     Last 14 Measurements
Lake Powell is down -1.50 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Sep 27, 2020
3596.43
-0.08
11412640
5560
8879
n/a
n/a
n/a
Sat, Sep 26, 2020
3596.51
-0.10
11420134
5855
10197
n/a
n/a
n/a
Fri, Sep 25, 2020
3596.61
-0.16
11429506
2927
10334
n/a
n/a
n/a
Thu, Sep 24, 2020
3596.77
-0.16
11444510
3049
10463
75.0
62.0
72.0
Wed, Sep 23, 2020
3596.93
-0.11
11459527
5567
10429
70.0
61.0
72.0
Tue, Sep 22, 2020
3597.04
-0.10
11469859
5949
10301
79.0
69.0
72.0
Mon, Sep 21, 2020
3597.14
-0.13
11479256
4423
10315
90.0
66.0
72.0
Sun, Sep 20, 2020
3597.27
-0.08
11491480
5534
8867
93.0
67.0
72.0
Sat, Sep 19, 2020
3597.35
-0.13
11499006
4364
10262
92.0
72.0
72.0
Fri, Sep 18, 2020
3597.48
-0.13
11511243
4645
10546
92.0
63.0
73.0
Thu, Sep 17, 2020
3597.61
-0.11
11523488
5307
10185
92.0
61.0
73.0
Wed, Sep 16, 2020
3597.72
-0.11
11533856
5613
10493
93.0
65.0
73.0
Tue, Sep 15, 2020
3597.83
-0.10
11544229
5738
10108
93.0
63.0
73.0
Mon, Sep 14, 2020
3597.93
-0.10
11553665
5920
10292
90.0
62.0
74.0
Averages of List
3597.19
-0.11
11483743
5032
10119
87.2
64.6
72.5

Averages for September 28th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3646.83
-0.07
17272015
9362
12768
84.0
57.0
72.6
All-Time
3633.49
-0.07
15737754
9247
12217
84.0
56.7
72.6

Last 10 September 28th's data records

DATE MEASURED ELEVATION CHG vs TODAY CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sat, Sep 28, 2019
3615.59
19.16
13301214
6883
11659
84.0
61.0
72.0
Fri, Sep 28, 2018
3592.58
-3.85
11055682
3428
11686
92.0
59.0
74.0
Thu, Sep 28, 2017
3628.40
31.97
14674427
7839
11731
71.0
51.0
72.0
Wed, Sep 28, 2016
3610.91
14.48
12822117
10226
12139
82.0
60.0
71.0
Mon, Sep 28, 2015
3606.24
9.81
12355552
6446
12619
91.9
69.1
76.0
Sun, Sep 28, 2014
3605.42
8.99
12274815
11319
9439
n/a
n/a
76.0
Sat, Sep 28, 2013
3591.35
-5.08
10943159
8995
9749
69.1
46.0
70.0
Fri, Sep 28, 2012
3621.69
25.26
13943121
4253
8010
82.9
60.1
73.0
Wed, Sep 28, 2011
3653.25
56.82
17623658
11586
15529
91.0
63.0
74.0
Tue, Sep 28, 2010
3633.71
37.28
15272498
8322
8158
93.9
61.0
73.0
Averages of List
3615.91
-0.03
13426624
7930
11072
84.2
58.9
73.1


Accessibility of Primitive Launches and Other Sites
As of Sunday, September 27th, 2020 where elevation was 3596.43'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
48.43 Above
Open and Usable
Wahweap
3558.00
3556.00
40.43 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
20.43 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
16.43 Above
Open and Usable
Antelope Point
3588.00
3587.00
9.43 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
3.57 Below
Unusable, go to main marinas
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
12.57 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
48.57 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
52.57 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
63.57 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
71.57 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
83.57 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.


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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 1.306 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


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1999 - 2020



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Lake Powell, Houseboating, Glen Canyon, Striped Bass