Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

For October 18th, 2021
Snowpack is 760% of avg
TotalPrecip is 180.00% of avg

Lake Powell is currently 412.77 feet deep at the dam
Water Summary
Today is day 18 of 365 for the Water Year 2022. We are 5% through the Water Year.
Last Reading: 3544.77 on Oct 17, 2021
Powell was last within 2" of this elevation on Oct 16, 2021
There are currently 2,351,587,974,384 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 155.23 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 29.67% of Full Pool (24,322,000 af)
Total inflows for water year 2022: 209,640 acre feet

This is 66.48% of the October 17th average of 315,354 acre feet
Total releases for water year 2022: 242,290 acre feet

This is 3.23% of the minimum required of 7,500,000 acre feet
During WY 2022, water storage has fallen by 4,139,788 AF and total outflows have exceeded total inflows by 32,650 AF
The 28 tracked reservoirs above Lake Powell are currently at 62.37% of capacity. Click for Details
Inflows for WY 2022 are 166.18% of WY 2021         Rivers feeding Lake Powell are running at 73.01% of the Oct 18th avg. Click for Details

Lake Powell is down -48.82 feet from one year ago.    Lake Powell is at low for water year and down 0.58 feet from the high.

View Acre Feet     Last 14 Measurements
Lake Powell is down -0.53 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Oct 17, 2021
3544.77
-0.03
7216749
4003
4792
66.0
43.0
65.0
Sat, Oct 16, 2021
3544.80
-0.04
7218828
4994
6162
63.0
40.0
65.0
Fri, Oct 15, 2021
3544.84
-0.06
7221601
6338
8261
59.0
39.0
66.0
Thu, Oct 14, 2021
3544.90
-0.02
7225762
8016
8428
60.0
41.0
67.0
Wed, Oct 13, 2021
3544.92
-0.08
7227149
4434
7113
56.0
38.0
68.0
Tue, Oct 12, 2021
3545.00
-0.13
7232699
3695
8266
51.0
38.0
69.0
Mon, Oct 11, 2021
3545.13
0.01
7241725
9162
8440
74.0
46.0
70.0
Sun, Oct 10, 2021
3545.12
-0.04
7241031
6338
7507
68.0
48.0
71.0
Sat, Oct 09, 2021
3545.16
-0.03
7243809
7132
7923
68.0
52.0
71.0
Fri, Oct 08, 2021
3545.19
-0.06
7245893
6276
8203
66.0
56.0
71.0
Thu, Oct 07, 2021
3545.25
-0.06
7250063
3310
5237
73.0
55.0
71.0
Wed, Oct 06, 2021
3545.31
-0.04
7254234
5959
7129
69.0
54.0
71.0
Tue, Oct 05, 2021
3545.35
0.05
7257016
10558
8320
69.0
57.0
71.0
Mon, Oct 04, 2021
3545.30
-0.03
7253539
7663
8454
82.0
58.0
72.0
Averages of List
3545.07
-0.04
7237864
6277
7445
66.0
47.5
69.1

Averages for October 18th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Since Filled
3644.80
-0.03
17022248
9815
11254
71.0
48.0
67.1
All-Time
3632.09
-0.01
15567339
9803
10569
71.3
48.2
67.1

Last 10 October 18th's data records

DATE MEASURED ELEVATION CHG vs TODAY CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sun, Oct 18, 2020
3593.46
48.69
11136638
2866
8893
85.0
58.0
67.0
Fri, Oct 18, 2019
3613.91
69.14
13127902
9542
10084
70.0
54.0
65.0
Thu, Oct 18, 2018
3591.59
46.82
10965057
9918
10417
59.0
46.0
66.0
Wed, Oct 18, 2017
3627.85
83.08
14613457
8070
11053
75.0
50.0
65.0
Tue, Oct 18, 2016
3610.21
65.44
12751450
5586
9963
75.0
53.0
67.0
Sun, Oct 18, 2015
3605.87
61.10
12319078
10415
8797
69.1
57.0
71.0
Sat, Oct 18, 2014
3606.06
61.29
12337799
9107
9259
n/a
n/a
n/a
Fri, Oct 18, 2013
3591.10
46.33
10920379
6958
7952
66.9
45.0
66.0
Thu, Oct 18, 2012
3620.38
75.61
13803532
6866
7999
73.0
50.0
68.0
Tue, Oct 18, 2011
3651.43
106.66
17394376
10814
15438
73.0
50.0
68.0
Averages of List
3611.19
-0.05
12936967
8014
9986
71.8
51.4
67.0


Accessibility of Launch Ramps, Primitive Launches and Other Sites
As of Sunday, October 17th, 2021 where elevation was 3544.77'


NPS UPDATE ON RAMPS


SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Wahweap
3553.00
3551.00
6.23 Below
Unusable, go to main marinas
Halls Crossing Launch
3556.00
3553.00
8.23 Below
Unusable, go to main marinas
Stateline Launch
3564.00
3562.00
17.23 Below
Unusable, go to main marinas
Bullfrog (Main Launch)
3578.00
3576.00
31.23 Below
Unusable, go to main marinas
Castle Rock Cut-Off
3583.00
3580.00
35.23 Below
Unusable, use Main Channel
Antelope Point
3588.00
3587.00
42.23 Below
Unusable, go to main marinas
Dominguez Butte Cut-Off
3602.00
3600.00
55.23 Below
Unusable, go to main marinas
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
64.23 Below
Unusable, go to main marinas
Hite Marina
3650.00
3645.00
100.23 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
104.23 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
115.23 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
123.23 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
135.23 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 1.161 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