Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

For February 28th, 2021
Snowpack is 84% of avg
TotalPrecip is 75.00% of avg

Lake Powell is currently 439.66 feet deep at the dam
Water Summary
Today is day 151 of 365 for the Water Year 2021. We are 41% through the Water Year.
Last Reading: 3571.66 on Feb 27, 2021
Powell was last within 2" of this elevation on May 1, 2019
There are currently 3,011,491,209,447 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 128.34 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 38% of Full Pool (24,322,000 af)
Total inflows for water year 2021: 1,195,069 acre feet

This is 45.17% of the February 27th average of 2,645,668 acre feet
Total releases for water year 2021: 3,417,227 acre feet

This is 45.56% of the minimum required of 7,500,000 acre feet
During WY 2021, water storage has fallen by 2,114,622 AF and total outflows have exceeded total inflows by 2,222,158 AF
The 28 tracked reservoirs above Lake Powell are currently at 69.92% of capacity. Click for Details
Inflows for WY 2021 are 56.28% of WY 2020         Rivers feeding Lake Powell are running at 59.54% of the Feb 28th avg. Click for Details

Lake Powell is down -31.24 feet from one year ago.    Lake Powell is at low for water year and down 24.17 feet from the high.

View Acre Feet     Last 14 Measurements
Lake Powell is down -2.32 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sat, Feb 27, 2021
3571.66
-0.16
9241915
4974
11968
n/a
n/a
n/a
Fri, Feb 26, 2021
3571.82
-0.18
9254982
-198
12147
57.0
29.0
n/a
Thu, Feb 25, 2021
3572.00
-0.30
9269697
-1286
11965
50.0
34.0
n/a
Wed, Feb 24, 2021
3572.30
-0.13
9294256
7117
12798
65.0
34.0
47.0
Tue, Feb 23, 2021
3572.43
-0.14
9304912
5981
12113
61.0
33.0
47.0
Mon, Feb 22, 2021
3572.57
-0.19
9316397
4128
12501
55.0
31.0
47.0
Sun, Feb 21, 2021
3572.76
-0.10
9331999
6872
11225
54.0
35.0
47.0
Sat, Feb 20, 2021
3572.86
-0.21
9340217
2682
11966
58.0
31.0
47.0
Fri, Feb 19, 2021
3573.07
-0.17
9357492
4714
12214
54.0
29.0
47.0
Thu, Feb 18, 2021
3573.24
-0.21
9371492
3124
12428
46.0
29.0
47.0
Wed, Feb 17, 2021
3573.45
-0.17
9388805
4991
12508
44.0
34.0
46.0
Tue, Feb 16, 2021
3573.62
-0.16
9402836
5328
12403
53.0
39.0
46.0
Mon, Feb 15, 2021
3573.78
-0.20
9416055
3468
12351
53.0
31.0
46.0
Sun, Feb 14, 2021
3573.98
-0.13
9432595
5695
11431
52.0
38.0
46.0
Averages of List
3572.82
-0.17
9337404
4114
12144
54.0
32.8
46.6

Averages for February 28th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3634.09
-0.07
15755584
9295
13389
56.5
35.7
48.0
All-Time
3619.42
-0.04
14539229
9626
12128
57.0
35.4
48.0

Last 10 February 28th's data records

DATE MEASURED ELEVATION CHG vs TODAY CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Fri, Feb 28, 2020
3602.80
31.14
12019225
7128
12254
57.0
33.0
47.0
Thu, Feb 28, 2019
3571.89
0.23
9260702
5784
15015
64.0
41.0
46.0
Wed, Feb 28, 2018
3616.02
44.36
13345812
7456
12940
55.0
33.0
47.0
Tue, Feb 28, 2017
3594.33
22.67
11217043
14046
11379
51.0
39.0
48.0
Sun, Feb 28, 2016
3594.48
22.82
11230943
11880
10730
70.0
48.0
50.0
Sat, Feb 28, 2015
3592.23
20.57
11023589
9797
11151
46.0
33.0
49.0
Fri, Feb 28, 2014
3575.55
3.89
9563112
6647
11070
54.0
39.0
48.0
Thu, Feb 28, 2013
3601.47
29.81
11890863
4858
10991
52.0
n/a
45.0
Tue, Feb 28, 2012
3635.33
63.67
15458364
8487
11435
48.0
33.8
49.0
Mon, Feb 28, 2011
3614.95
43.29
13235015
7462
15651
48.9
28.9
45.0
Averages of List
3599.91
-0.08
11824467
8355
12262
54.6
36.5
47.4


Accessibility of Primitive Launches and Other Sites
As of Saturday, February 27th, 2021 where elevation was 3571.66'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
23.66 Above
Open and Usable
Wahweap
3558.00
3556.00
15.66 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
4.34 Below
Unusable, go to main marinas
Castle Rock Cut-Off
3583.00
3580.00
8.34 Below
Unusable, use Main Channel
Antelope Point
3588.00
3587.00
15.34 Below
Unusable, go to main marinas
Dominguez Butte Cut-Off
3602.00
3600.00
28.34 Below
Unusable, go to main marinas
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
37.34 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
73.34 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
77.34 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
88.34 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
96.34 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
108.34 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 1.070 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 - 2021



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Lake Powell, Houseboating, Glen Canyon, Striped Bass