Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell

Lake Powell
For September 18th, 2019
Snowpack is 73% of avg
TotalPrecip is 113.00% of avg

Lake Powell is currently 484.67 feet deep at the dam
Water Summary
Today is day 353 of 365 for the Water Year 2019. We are 97% through the Water Year.
Last Reading: 3616.67 on Sep 17, 2019
Powell was last within 2" of this elevation on Sep 16, 2019
There are currently 4,370,780,119,669 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 83.33 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 55.15% of Full Pool (24,322,000 af)
Total inflows for water year 2019: 11,570,646 acre feet

This is 110.37% of the September 17th average of 10,483,251 acre feet
Total releases for water year 2019: 8,691,826 acre feet

This is 115.89% of the minimum required of 7,500,000 acre feet
During WY 2019, water storage has risen by 2,397,153 AF and total inflows have exceeded total outflows by 2,878,820 AF
The 28 tracked reservoirs above Lake Powell are currently at 86.51% of capacity. Click for Details
Inflows for WY 2019 are 218.76% of WY 2018         Rivers feeding Lake Powell are running at 107.72% of the Sep 18th avg. Click for Details


Lake Powell is up 22.21 feet from one year ago.    Lake Powell is down 5.01 feet from the high for water year.


View Acre Feet     Last 14 Measurements
Lake Powell is down -1.48 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Tue, Sep 17, 2019
3616.67
-0.12
13413414
5896
11832
0.0
0.0
75.0
Mon, Sep 16, 2019
3616.79
-0.14
13425919
4710
11785
0.0
0.0
75.0
Sun, Sep 15, 2019
3616.93
-0.07
13440517
7492
10595
0.0
0.0
76.0
Sat, Sep 14, 2019
3617.00
-0.10
13447820
7056
11864
0.0
0.0
76.0
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
Averages of List
3617.41
-0.11
13490552
5569
11608
22.8
16.7
77.2

Averages for September 18th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3648.39
-0.08
17474233
9364
13399
83.8
58.1
75.2
All-Time
3634.59
-0.08
15877261
9234
12539
83.7
57.7
75.2

Last 10 September 18th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Tue, Sep 18, 2018
3594.29
0.15
11213338
3809
11635
0.0
0.0
75.0
Mon, Sep 18, 2017
3629.26
-0.11
14770130
6026
11758
87.0
59.0
77.0
Sun, Sep 18, 2016
3611.48
-0.12
12879851
4918
10705
90.0
59.0
74.0
Fri, Sep 18, 2015
3607.25
-0.10
12455484
7746
12329
82.0
61.0
76.0
Thu, Sep 18, 2014
3605.77
-0.04
12309232
9105
10438
90.0
66.9
77.0
Wed, Sep 18, 2013
3591.18
0.05
10927665
13760
10545
90.0
71.1
77.0
Tue, Sep 18, 2012
3622.40
-0.07
14019211
4855
8041
89.1
61.0
76.0
Sun, Sep 18, 2011
3653.95
0.01
17712410
15236
15600
84.9
63.0
75.0
Sat, Sep 18, 2010
3633.85
-0.04
15288498
6993
8082
93.0
62.1
73.0
Fri, Sep 18, 2009
3636.15
-0.08
15553050
8085
10135
82.0
60.1
76.0
Averages of List
3618.56
-0.03
13712887
8053
10927
78.8
56.3
75.6


Accessibility of Primitive Launches and Other Sites
As of Tuesday, September 17th, 2019 where elevation was 3616.67'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
68.67 Above
Open and Usable
Wahweap
3558.00
3556.00
60.67 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
40.67 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
36.67 Above
Open and Usable
Antelope Point
3588.00
3587.00
29.67 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
16.67 Above
Open and Usable
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
7.67 Above
Open and Usable
Hite Marina
3650.00
3645.00
28.33 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
32.33 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
43.33 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
51.33 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
63.33 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 0.103 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 - 2019



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Lake Powell, Houseboating, Glen Canyon, Striped Bass