Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

For March 7th, 2021
Snowpack is 82% of avg
TotalPrecip is 74.00% of avg

Lake Powell is currently 438.45 feet deep at the dam
Water Summary
Today is day 158 of 365 for the Water Year 2021. We are 43% through the Water Year.
Last Reading: 3570.45 on Mar 6, 2021
Powell was last within 2" of this elevation on Mar 22, 2019
There are currently 2,979,422,541,062 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 129.55 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 37.59% of Full Pool (24,322,000 af)
Total inflows for water year 2021: 1,251,815 acre feet

This is 45.08% of the March 6th average of 2,776,973 acre feet
Total releases for water year 2021: 3,577,810 acre feet

This is 47.7% of the minimum required of 7,500,000 acre feet
During WY 2021, water storage has fallen by 2,213,037 AF and total outflows have exceeded total inflows by 2,325,995 AF
The 28 tracked reservoirs above Lake Powell are currently at 69.85% of capacity. Click for Details
Inflows for WY 2021 are 56.42% of WY 2020         Rivers feeding Lake Powell are running at 64.24% of the Mar 7th avg. Click for Details

Lake Powell is down -31.73 feet from one year ago.    Lake Powell is at low for water year and down 25.38 feet from the high.

View Acre Feet     Last 14 Measurements
Lake Powell is down -2.31 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sat, Mar 06, 2021
3570.45
-0.19
9143500
3258
11462
n/a
n/a
n/a
Fri, Mar 05, 2021
3570.64
-0.14
9158907
5526
11528
66.0
36.0
n/a
Thu, Mar 04, 2021
3570.78
-0.09
9170270
7822
11616
62.0
40.0
47.0
Wed, Mar 03, 2021
3570.87
-0.26
9177580
601
11926
62.0
31.0
47.0
Tue, Mar 02, 2021
3571.13
-0.14
9198720
5596
11615
57.0
27.0
47.0
Mon, Mar 01, 2021
3571.27
-0.19
9210117
3405
11648
51.0
25.0
47.0
Sun, Feb 28, 2021
3571.46
-0.20
9225599
2401
11164
47.0
30.0
47.0
Sat, Feb 27, 2021
3571.66
-0.16
9241915
4974
11968
51.0
34.0
47.0
Fri, Feb 26, 2021
3571.82
-0.18
9254982
-198
12147
57.0
29.0
46.0
Thu, Feb 25, 2021
3572.00
-0.30
9269697
-1286
11965
50.0
34.0
46.0
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
Averages of List
3571.58
-0.17
9235632
4014
11834
56.8
32.2
46.8

Averages for March 7th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3633.65
-0.06
15706816
9449
13111
60.2
36.8
49.1
All-Time
3619.15
-0.03
14509713
9734
11543
59.6
36.1
49.1

Last 10 March 7th's data records

DATE MEASURED ELEVATION CHG vs TODAY CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sat, Mar 07, 2020
3602.10
31.65
11951550
6905
10872
72.0
45.0
49.0
Thu, Mar 07, 2019
3571.30
0.85
9212560
10671
13146
65.0
45.0
47.0
Wed, Mar 07, 2018
3615.21
44.76
13261882
5988
13613
51.0
30.0
47.0
Tue, Mar 07, 2017
3594.02
23.57
11188351
9280
12078
55.0
30.0
49.0
Mon, Mar 07, 2016
3594.11
23.66
11196676
10851
11634
57.0
42.1
51.0
Sat, Mar 07, 2015
3592.14
21.69
11015346
8035
10308
60.0
35.0
50.0
Fri, Mar 07, 2014
3575.55
5.10
9563112
9442
8339
63.0
48.0
49.0
Thu, Mar 07, 2013
3600.81
30.36
11827511
4556
10062
69.1
45.0
47.0
Wed, Mar 07, 2012
3635.08
64.63
15429577
9696
10022
50.0
33.8
48.0
Mon, Mar 07, 2011
3613.87
43.42
13123794
7635
15686
55.0
43.0
47.0
Averages of List
3599.42
-0.07
11777036
8306
11576
59.7
39.7
48.4


Accessibility of Primitive Launches and Other Sites
As of Saturday, March 6th, 2021 where elevation was 3570.45'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Halls Crossing Launch
3550.00
3548.00
22.45 Above
Open and Usable
Wahweap
3558.00
3556.00
14.45 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
5.55 Below
Unusable, go to main marinas
Castle Rock Cut-Off
3583.00
3580.00
9.55 Below
Unusable, use Main Channel
Antelope Point
3588.00
3587.00
16.55 Below
Unusable, go to main marinas
Dominguez Butte Cut-Off
3602.00
3600.00
29.55 Below
Unusable, go to main marinas
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
38.55 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
74.55 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
78.55 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
89.55 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
97.55 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
109.55 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 2.207 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