Lake Powell
Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 126.4 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 36.15% of Full Pool (24,322,000 af)
| Total inflows for water year 2023: 11,948,697 acre feet
This is 115.15% of the September 29th average of 10,376,694 acre feet | Total releases for water year 2023: 8,545,894 acre feet
This is 113.95% of the minimum required of 7,500,000 acre feet |
| During WY 2023, water storage has risen by 2,994,855 AF and total inflows have exceeded total outflows by 3,402,803 AF |
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The 34 tracked reservoirs above Lake Powell are currently at 81.16% of capacity. Click for Details |
| Inflows for WY 2023 are 212.22% of WY 2022
Rivers feeding Lake Powell are running at 82.65% of the September 30th avg. Click for Details
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Lake Powell is up 44.16 feet from one year ago. Lake Powell is down 11.08 feet from the high for water year.
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View Acre Feet
Last 14 Measurements
Lake Powell is down -0.04 feet over these measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Fri, Sep 29, 2023 |
3573.60 |
0.00 |
8,792,277 |
7197 |
6611 |
86.5 |
47.8 |
n/a |
| Thu, Sep 28, 2023 |
3573.60 |
0.00 |
8,792,277 |
7202 |
6617 |
88.2 |
46.6 |
n/a |
| Wed, Sep 27, 2023 |
3573.60 |
0.00 |
8,792,277 |
7213 |
6628 |
88.2 |
52.7 |
n/a |
| Tue, Sep 26, 2023 |
3573.60 |
-0.01 |
8,792,277 |
6456 |
6290 |
85.8 |
53.1 |
75.0 |
| Mon, Sep 25, 2023 |
3573.61 |
0.00 |
8,793,047 |
7205 |
6620 |
83.6 |
49.1 |
75.0 |
| Sun, Sep 24, 2023 |
3573.61 |
-0.02 |
8,793,047 |
6454 |
6708 |
79.0 |
52.3 |
75.0 |
| Sat, Sep 23, 2023 |
3573.63 |
0.05 |
8,794,587 |
9290 |
6608 |
77.7 |
59.0 |
76.0 |
| Fri, Sep 22, 2023 |
3573.58 |
0.00 |
8,790,737 |
7208 |
6623 |
77.8 |
47.3 |
76.0 |
| Thu, Sep 21, 2023 |
3573.58 |
-0.01 |
8,790,737 |
6772 |
6606 |
81.3 |
50.4 |
77.0 |
| Wed, Sep 20, 2023 |
3573.59 |
0.01 |
8,791,507 |
8099 |
7094 |
81.9 |
51.6 |
77.0 |
| Tue, Sep 19, 2023 |
3573.58 |
-0.04 |
8,790,737 |
5985 |
7077 |
85.5 |
54.1 |
78.0 |
| Mon, Sep 18, 2023 |
3573.62 |
-0.02 |
8,793,817 |
6824 |
7077 |
88.7 |
59.2 |
78.0 |
| 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 |
| Averages of List |
3573.60 |
-0 |
8,792,607 |
7228 |
6763 |
83.8 |
52.4 |
76.6 |
Averages for September 29th
| AVERAGE TYPE |
ELEVATION |
CUR vs AVERAGE |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| All-Time |
3628.59 |
-54.99 |
-0.09 |
15,240,529 |
8928 |
11782 |
83.3 |
56.1 |
72.8 |
| Since Filled |
3640.42 |
-66.82 |
-0.08 |
16,617,744 |
9102 |
12418 |
82.6 |
55.7 |
72.5 |
| Since WY 2000 |
3608.96 |
-35.36 |
-0.04 |
12,877,961 |
7714 |
9733 |
83.5 |
58.1 |
72.8 |
Last 10 September 29th's data records
| DATE MEASURED |
ELEVATION |
CUR ELEV vs THEN |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Thu, Sep 29, 2022 |
3529.44 |
44.16 |
5,803,924 |
6531 |
9347 |
85.0 |
65.0 |
73.0 |
| Wed, Sep 29, 2021 |
3545.53 |
28.07 |
7,269,543 |
6774 |
10433 |
73.0 |
59.0 |
74.0 |
| Tue, Sep 29, 2020 |
3596.11 |
-22.51 |
11,382,697 |
3540 |
10420 |
80.0 |
52.0 |
71.0 |
| Sun, Sep 29, 2019 |
3615.49 |
-41.89 |
13,290,856 |
5380 |
10154 |
81.0 |
60.0 |
72.0 |
| Sat, Sep 29, 2018 |
3592.40 |
-18.80 |
11,039,169 |
2959 |
11209 |
91.0 |
65.0 |
74.0 |
| Fri, Sep 29, 2017 |
3628.35 |
-54.75 |
14,668,877 |
9528 |
11605 |
78.0 |
52.0 |
72.0 |
| Thu, Sep 29, 2016 |
3610.97 |
-37.37 |
12,828,186 |
16178 |
12033 |
73.0 |
61.0 |
71.0 |
| Tue, Sep 29, 2015 |
3606.12 |
-32.52 |
12,343,715 |
7039 |
12670 |
93.0 |
68.0 |
76.0 |
| Mon, Sep 29, 2014 |
3605.45 |
-31.85 |
12,277,762 |
13094 |
10680 |
n/a |
n/a |
75.0 |
| Sun, Sep 29, 2013 |
3591.32 |
-17.72 |
10,940,424 |
8313 |
9067 |
75.9 |
48.9 |
70.0 |
| Averages of List |
3592.04 |
-18.44 |
11,177,878 |
7874 |
10745 |
83.1 |
58.5 |
72.3 |
Accessibility of Launch Ramps, Primitive Launches and Other Sites
As of Friday, September 29th, 2023 where elevation was 3573.60'
| 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 |
71.6 Above |
73.6 Above |
Open and Usable |
| Bullfrog North Ramp |
3529.00 |
3527.00 |
44.6 Above |
46.6 Above |
Open and Usable |
| Antelope Point Business Ramp |
3540.00 |
3538.00 |
33.6 Above |
35.6 Above |
Open and Usable |
| Wahweap (Main Launch) |
3546.00 |
3544.00 |
27.6 Above |
29.6 Above |
Open and Usable |
| Bullfrog Spur (Boats < 25') |
3549.00 |
3547.00 |
24.6 Above |
26.6 Above |
Open and Usable |
| Halls Crossing (use at own risk) |
3556.00 |
3554.00 |
17.6 Above |
19.6 Above |
Open and Usable |
| Stateline Launch |
3564.00 |
3562.00 |
9.6 Above |
11.6 Above |
Open and Usable |
| Bullfrog (Main Launch) |
3578.00 |
3576.00 |
4.4 Below |
2.4 Below |
Unusable, go to main marinas |
| Castle Rock Cut-Off |
3583.00 |
3580.00 |
9.4 Below |
6.4 Below |
Unusable, use Main Channel |
| Antelope Point Public Ramp |
3588.00 |
3586.00 |
14.4 Below |
12.4 Below |
Unusable, go to main marinas |
| Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
28.4 Below |
26.4 Below |
Unusable, go to main marinas |
| Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
39.4 Below |
35.4 Below |
Unusable, go to main marinas |
| Hite |
3650.00 |
3645.00 |
76.4 Below |
71.4 Below |
Unusable, go to main marinas |
| Farley Canyon |
3653.00 |
3649.00 |
79.4 Below |
75.4 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
89.4 Below |
86.4 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
96.4 Below |
94.4 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
108.4 Below |
106.4 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 1.297 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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1999 - 2023
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