Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

For October 28th, 2020
Snowpack is 122% of avg
TotalPrecip is 41.00% of avg

Lake Powell is currently 460.19 feet deep at the dam
Water Summary
Today is day 28 of 365 for the Water Year 2021. We are 8% through the Water Year.
Last Reading: 3592.19 on Oct 27, 2020
Powell was last within 2" of this elevation on Oct 2, 2018
There are currently 3,590,858,308,723 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 107.81 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 45.31% of Full Pool (24,322,000 af)
Total inflows for water year 2021: 205,320 acre feet

This is 39.94% of the October 27th average of 514,069 acre feet
Total releases for water year 2021: 557,034 acre feet

This is 7.43% of the minimum required of 7,500,000 acre feet
During WY 2021, water storage has fallen by 2,244,025 AF and total outflows have exceeded total inflows by 351,714 AF
The 28 tracked reservoirs above Lake Powell are currently at 71.22% of capacity. Click for Details
Inflows for WY 2021 are 59.05% of WY 2020         Rivers feeding Lake Powell are running at 73.23% of the Oct 28th avg. Click for Details

Lake Powell is down -21.13 feet from one year ago.    Lake Powell is at low for water year and down 3.64 feet from the high.

View Acre Feet     Last 14 Measurements
Lake Powell is down -1.86 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Tue, Oct 27, 2020
3592.19
-0.18
11019925
2230
10714
50.0
30.0
n/a
Mon, Oct 26, 2020
3592.37
-0.12
11036419
5368
10862
42.0
32.0
64.0
Sun, Oct 25, 2020
3592.49
-0.11
11047424
4105
9103
75.0
39.0
66.0
Sat, Oct 24, 2020
3592.60
-0.14
11057518
4109
10610
78.0
53.0
67.0
Fri, Oct 23, 2020
3592.74
-0.15
11070373
3722
10729
77.0
53.0
68.0
Thu, Oct 22, 2020
3592.89
-0.13
11084158
4601
10610
83.0
54.0
68.0
Wed, Oct 21, 2020
3593.02
-0.15
11096113
3496
10513
81.0
54.0
68.0
Tue, Oct 20, 2020
3593.17
-0.17
11109917
2416
10442
80.0
55.0
68.0
Mon, Oct 19, 2020
3593.34
-0.12
11125576
4948
10471
85.0
56.0
68.0
Sun, Oct 18, 2020
3593.46
-0.13
11136638
2866
8893
85.0
58.0
67.0
Sat, Oct 17, 2020
3593.59
-0.14
11148629
4051
10586
80.0
50.0
66.0
Fri, Oct 16, 2020
3593.73
-0.20
11161552
1050
10608
75.0
52.0
67.0
Thu, Oct 15, 2020
3593.93
-0.12
11180029
5172
10711
82.0
63.0
67.0
Wed, Oct 14, 2020
3594.05
-0.13
11191125
4546
10592
89.0
54.0
67.0
Averages of List
3593.11
-0.14
11104671
3763
10389
75.9
50.2
67.0

Averages for October 28th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3645.70
-0.05
17120118
9561
11246
65.5
44.1
64.7
All-Time
3632.54
-0.04
15613626
9586
10430
66.8
44.6
64.7

Last 10 October 28th's data records

DATE MEASURED ELEVATION CHG vs TODAY CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Mon, Oct 28, 2019
3613.20
21.01
13055104
4251
10367
51.0
33.0
62.0
Sun, Oct 28, 2018
3590.78
-1.41
10891264
6117
9090
70.0
46.0
64.0
Sat, Oct 28, 2017
3627.24
35.05
14546050
6981
9955
71.0
48.0
64.0
Fri, Oct 28, 2016
3609.63
17.44
12693093
6226
10043
70.0
55.0
66.0
Wed, Oct 28, 2015
3606.52
14.33
12383202
8896
9963
64.0
46.9
68.0
Tue, Oct 28, 2014
3605.75
13.56
12307264
7328
9999
69.1
48.0
66.0
Mon, Oct 28, 2013
3590.99
-1.20
10910365
8340
7847
71.1
55.9
62.0
Sun, Oct 28, 2012
3619.66
27.47
13727250
4650
8083
66.0
42.1
n/a
Fri, Oct 28, 2011
3650.51
58.32
17279284
12124
15466
59.0
37.9
65.0
Thu, Oct 28, 2010
3634.09
41.90
15315953
9725
8072
57.9
35.1
n/a
Averages of List
3614.84
-0.08
13310883
7464
9889
64.9
44.8
64.6


Accessibility of Primitive Launches and Other Sites
As of Tuesday, October 27th, 2020 where elevation was 3592.19'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
44.19 Above
Open and Usable
Wahweap
3558.00
3556.00
36.19 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
16.19 Above
Open and Usable
Castle Rock Cut-Off
3583.00
3580.00
12.19 Above
Open and Usable
Antelope Point
3588.00
3587.00
5.19 Above
Open and Usable
Dominguez Butte Cut-Off
3602.00
3600.00
7.81 Below
Unusable, go to main marinas
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
16.81 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
52.81 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
56.81 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
67.81 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
75.81 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
87.81 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 1.214 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