Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

For October 19th, 2020
Snowpack is 81% of avg
TotalPrecip is 21.00% of avg

Lake Powell is currently 461.46 feet deep at the dam
Water Summary
Today is day 19 of 365 for the Water Year 2021. We are 5% through the Water Year.
Last Reading: 3593.46 on Oct 18, 2020
Powell was last within 2" of this elevation on Oct 17, 2020
There are currently 3,628,889,406,556 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 106.54 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 45.79% of Full Pool (24,322,000 af)
Total inflows for water year 2021: 135,907 acre feet

This is 40.35% of the October 18th average of 336,783 acre feet
Total releases for water year 2021: 370,478 acre feet

This is 4.94% of the minimum required of 7,500,000 acre feet
During WY 2021, water storage has fallen by 2,127,312 AF and total outflows have exceeded total inflows by 234,571 AF
The 28 tracked reservoirs above Lake Powell are currently at 71.57% of capacity. Click for Details
Inflows for WY 2021 are 60.76% of WY 2020         Rivers feeding Lake Powell are running at 51.39% of the Oct 19th avg. Click for Details

Lake Powell is down -20.45 feet from one year ago.    Lake Powell is at low for water year and down 2.37 feet from the high.

View CFS     Last 14 Measurements
Lake Powell is down -1.83 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (af) OUTFLOW (af) HIGH TEMP LOW TEMP WATER TEMP
Sun, Oct 18, 2020
3593.46
-0.13
11136638
5685
17639
85.0
58.0
66.0
Sat, Oct 17, 2020
3593.59
-0.14
11148629
8035
20997
80.0
50.0
66.0
Fri, Oct 16, 2020
3593.73
-0.20
11161552
2083
21041
75.0
52.0
67.0
Thu, Oct 15, 2020
3593.93
-0.12
11180029
10259
21245
82.0
63.0
67.0
Wed, Oct 14, 2020
3594.05
-0.13
11191125
9017
21009
89.0
54.0
67.0
Tue, Oct 13, 2020
3594.18
-0.16
11203154
7000
22001
84.0
53.0
68.0
Mon, Oct 12, 2020
3594.34
-0.17
11217969
5232
21249
80.0
53.0
68.0
Sun, Oct 11, 2020
3594.51
-0.07
11233724
12359
18367
84.0
60.0
69.0
Sat, Oct 10, 2020
3594.58
-0.16
11240216
5187
20220
85.0
58.0
70.0
Fri, Oct 09, 2020
3594.74
-0.13
11255063
8339
20373
83.0
61.0
70.0
Thu, Oct 08, 2020
3594.87
-0.15
11267135
7085
21134
86.0
60.0
70.0
Wed, Oct 07, 2020
3595.02
-0.13
11281074
8922
20974
85.0
54.0
70.0
Tue, Oct 06, 2020
3595.15
-0.14
11293164
8063
21128
65.0
56.0
70.0
Mon, Oct 05, 2020
3595.29
-0.14
11306193
8053
21126
89.0
57.0
70.0
Averages of List
3594.39
-0.14
11222548
7523
20607
82.3
56.4
68.4

Averages for October 19th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (af) OUTFLOW (af) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3646.05
-0.02
17165911
19435
21431
71.1
47.6
66.8
All-Time
3632.78
0.00
15644384
19821
19953
71.2
47.8
66.8

Last 10 October 19th's data records

DATE MEASURED ELEVATION CHG vs TODAY CONTENT INFLOW (af) OUTFLOW (af) HIGH TEMP LOW TEMP WATER TEMP
Sat, Oct 19, 2019
3613.79
20.33
13115579
7914
20081
73.0
43.0
65.0
Fri, Oct 19, 2018
3591.50
-1.96
10956842
11756
19647
64.0
43.0
65.0
Thu, Oct 19, 2017
3627.79
34.33
14606817
14275
20192
78.0
55.0
65.0
Wed, Oct 19, 2016
3610.10
16.64
12740368
9084
19938
68.0
52.0
67.0
Mon, Oct 19, 2015
3606.02
12.56
12333856
37084
20039
69.1
52.0
71.0
Sun, Oct 19, 2014
3606.09
12.63
12340756
17959
16874
n/a
n/a
n/a
Sat, Oct 19, 2013
3591.09
-2.37
10919468
14858
14862
68.0
43.0
65.0
Fri, Oct 19, 2012
3620.33
26.87
13798225
11312
15852
75.0
48.0
67.0
Wed, Oct 19, 2011
3651.32
57.86
17380586
20831
30730
72.0
46.9
68.0
Tue, Oct 19, 2010
3634.16
40.70
15323968
15192
15874
70.0
51.1
69.0
Averages of List
3615.22
-0.02
13351647
16026
19409
70.8
48.2
66.9


Accessibility of Primitive Launches and Other Sites
As of Sunday, October 18th, 2020 where elevation was 3593.46'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
45.46 Above
Open and Usable
Wahweap
3558.00
3556.00
37.46 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
17.46 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
13.46 Above
Open and Usable
Antelope Point
3588.00
3587.00
6.46 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
6.54 Below
Unusable, go to main marinas
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
15.54 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
51.54 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
55.54 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
66.54 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
74.54 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
86.54 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 1.066 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