Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell





Lake Powell

Lake Powell
For September 19th, 2023
Snowpack is 1761.43% of avg
TotalPrecip is 112.8% of avg

Lake Powell is currently 441.63 feet deep at the dam
Water Summary
Today is day 358 of 365 for the Water Year 2023. We are 98% through the Water Year.
Last Reading: 3573.63 on Sep 23, 2023
Powell was last within 3" of this elevation on Sep 22, 2023
There are currently 2,865,728,741,415 gallons of water in Lake Powell!
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Elevation & Content Water Inflow Data Glen Canyon Dam Release Data
Lake Powell is 126.37 feet below Full Pool (Elevation 3,700)

By content, Lake Powell is 36.16% of Full Pool (24,322,000 af)
Total inflows for water year 2023: 11,865,931 acre feet

This is 115.59% of the September 23rd average of 10,265,437 acre feet
Total releases for water year 2023: 8,467,597 acre feet

This is 112.9% of the minimum required of 7,500,000 acre feet
During WY 2023, water storage has risen by 2,997,165 AF and total inflows have exceeded total outflows by 3,398,334 AF
The 34 tracked reservoirs above Lake Powell are currently at 81.81% of capacity. Click for Details
Inflows for WY 2023 are 214.89% of WY 2022         Rivers feeding Lake Powell are running at 88.85% of the September 24th avg. Click for Details

Lake Powell is up 44.17 feet from one year ago.    Lake Powell is down 11.05 feet from the high for water year.

View Acre Feet     Last 14 Measurements
Lake Powell is down -0.21 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sat, Sep 23, 2023
3573.63
0.05
8,794,587
9290
6608
77.7
59.0
n/a
Fri, Sep 22, 2023
3573.58
0.00
8,790,737
7208
6623
77.8
47.3
n/a
Thu, Sep 21, 2023
3573.58
-0.01
8,790,737
6772
6606
81.3
50.4
n/a
Wed, Sep 20, 2023
3573.59
0.01
8,791,507
8099
7094
81.9
51.6
n/a
Tue, Sep 19, 2023
3573.58
-0.04
8,790,737
5985
7077
85.5
54.1
n/a
Mon, Sep 18, 2023
3573.62
-0.02
8,793,817
6824
7077
88.7
59.2
n/a
Sun, Sep 17, 2023
3573.64
0.02
8,795,357
8493
7068
86.2
56.5
78.0
Sat, Sep 16, 2023
3573.62
-0.02
8,793,817
6797
7051
83.3
54.3
78.0
Fri, Sep 15, 2023
3573.64
0.01
8,795,357
8058
7053
81.5
56.8
78.0
Thu, Sep 14, 2023
3573.63
-0.01
8,794,587
7180
7014
82.0
61.2
79.0
Wed, Sep 13, 2023
3573.64
0.01
8,795,357
7626
6621
84.2
59.2
79.0
Tue, Sep 12, 2023
3573.63
-0.06
8,794,587
3403
5334
79.3
59.5
79.0
Mon, Sep 11, 2023
3573.69
-0.06
8,799,209
7128
9060
87.6
64.0
79.0
Sun, Sep 10, 2023
3573.75
-0.09
8,803,832
4594
7786
88.9
62.6
80.0
Averages of List
3573.63
-0.01
8,794,588
6961
7005
83.3
56.8
78.8

Averages for September 23rd

AVERAGE TYPE ELEVATION CUR vs AVERAGE CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
All-Time
3629.93
-56.30
-0.06
15,397,109
9697
12534
83.8
58
73.4
Since Filled
3640.80
-67.17
-0.07
16,665,607
9689
12808
84.1
58
73.6
Since WY 2000
3610.79
-37.16
-0.04
13,085,331
8498
9958
82.9
58.3
73.5

Last 10 September 23rd's data records

DATE MEASURED ELEVATION CUR ELEV vs THEN CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP
Sat, Sep 24, 2022
3529.54
44.09
5,809,839
12135
9153
84.0
60.0
75.0
Fri, Sep 24, 2021
3546.28
27.35
7,321,890
4827
10408
87.0
63.0
77.0
Thu, Sep 24, 2020
3596.77
-23.14
11,444,510
3049
10463
75.0
62.0
72.0
Tue, Sep 24, 2019
3616.03
-42.40
13,346,851
8263
11918
84.0
56.0
72.0
Mon, Sep 24, 2018
3593.31
-19.68
11,122,812
4185
11470
89.0
68.0
75.0
Sun, Sep 24, 2017
3628.74
-55.11
14,712,209
8880
9750
66.0
45.0
72.0
Sat, Sep 24, 2016
3610.96
-37.33
12,827,175
14924
11329
72.0
50.0
72.0
Thu, Sep 24, 2015
3606.65
-33.02
12,396,053
7678
12248
91.9
63.0
77.0
Wed, Sep 24, 2014
3605.46
-31.83
12,278,745
8799
10665
91.0
64.9
77.0
Tue, Sep 24, 2013
3591.22
-17.59
10,931,310
12433
10705
82.9
55.0
68.0
Averages of List
3592.43
-18.80
11,212,650
7927
10716
85.6
60.7
74


Accessibility of Launch Ramps, Primitive Launches and Other Sites
As of Saturday, September 23rd, 2023 where elevation was 3573.63'


Click here for NPS update on ramps


SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION
ABSOLUTE MINIMUM
USABLE ELEVATION
CURRENT LEVEL VS.
NPS MIN SAFE
CURRENT LEVEL VS.
ABSOLUTE MINIMUM
CURRENT ACCESSIBILITY
Stateline Auxiliary Ramp
3502.00
3500.00
71.63 Above
73.63 Above
Open and Usable
Bullfrog North Ramp
3529.00
3527.00
44.63 Above
46.63 Above
Open and Usable
Antelope Point Business Ramp
3540.00
3538.00
33.63 Above
35.63 Above
Open and Usable
Wahweap (Main Launch)
3546.00
3544.00
27.63 Above
29.63 Above
Open and Usable
Bullfrog Spur (Boats < 25')
3549.00
3547.00
24.63 Above
26.63 Above
Open and Usable
Halls Crossing (use at own risk)
3556.00
3554.00
17.63 Above
19.63 Above
Open and Usable
Stateline Launch
3564.00
3562.00
9.63 Above
11.63 Above
Open and Usable
Bullfrog (Main Launch)
3578.00
3576.00
4.37 Below
2.37 Below
Unusable, go to main marinas
Castle Rock Cut-Off
3583.00
3580.00
9.37 Below
6.37 Below
Unusable, use Main Channel
Antelope Point Public Ramp
3588.00
3586.00
14.37 Below
12.37 Below
Unusable, go to main marinas
Dominguez Butte Cut-Off
3602.00
3600.00
28.37 Below
26.37 Below
Unusable, go to main marinas
Gunsight to Padre Bay Cut-Off
3613.00
3609.00
39.37 Below
35.37 Below
Unusable, go to main marinas
Hite
3650.00
3645.00
76.37 Below
71.37 Below
Unusable, go to main marinas
Farley Canyon
3653.00
3649.00
79.37 Below
75.37 Below
Unusable, go to main marinas
Copper Canyon
3663.00
3660.00
89.37 Below
86.37 Below
Unusable, go to main marinas
Bullfrog to Halls Creek Cut-Off
3670.00
3668.00
96.37 Below
94.37 Below
Unusable, use Main Channel
Piute Farms
3682.00
3680.00
108.37 Below
106.37 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 2.742 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 Stevie Kelso and the UT Division of Wildlife Resources
  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
Using Water Year 2000 as start of prolonged drought in SW USA
or go to Lake Powell Source Data
USBR Projected Outlook
Current Snowpack Conditions for Upper Colorado Basin


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Lake Powell, Houseboating, Glen Canyon, Striped Bass