Lake Powell

Lake Powell
Lake Powell
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Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 142.06 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 31.42% of Full Pool (24,322,000 af)
| Total inflows for water year 2025: 2,633,891 acre feet
This is 66.08% of the April 29th average of 3,986,107 acre feet | Total releases for water year 2025: 4,151,528 acre feet
This is 55.35% of the minimum required of 7,500,000 acre feet |
During WY 2025, water storage has fallen by 1,500,095 AF and total outflows have exceeded total inflows by 1,517,637 AF |
The 34 tracked reservoirs above Lake Powell are currently at 74.65% of capacity. Click for Details |
Inflows for WY 2025 are 84.64% of WY  
Rivers feeding Lake Powell are running at 38.60% of the April 30th avg. Click for Details
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Lake Powell is down 1.66 feet from one year ago. Lake Powell is at low for water year and down 20.07 feet from the high.
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View Acre Feet
Last 14 Measurements Lake Powell is down -0.35 feet over these measurements
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Tue, Apr 29, 2025 |
3557.94 |
-0.07 |
7,641,599 |
7768 |
10193 |
69.6 |
38.6 |
n/a |
Mon, Apr 28, 2025 |
3558.01 |
-0.06 |
7,646,503 |
8143 |
10187 |
64.5 |
33.8 |
n/a |
Sun, Apr 27, 2025 |
3558.07 |
-0.04 |
7,650,708 |
8094 |
9375 |
62.8 |
39.1 |
n/a |
Sat, Apr 26, 2025 |
3558.11 |
-0.02 |
7,653,512 |
9191 |
9709 |
76.4 |
41.3 |
n/a |
Fri, Apr 25, 2025 |
3558.13 |
-0.05 |
7,654,915 |
8744 |
10407 |
78.5 |
46.1 |
n/a |
Thu, Apr 24, 2025 |
3558.18 |
0.01 |
7,658,421 |
11017 |
10389 |
76.6 |
41.4 |
n/a |
Wed, Apr 23, 2025 |
3558.17 |
-0.03 |
7,657,720 |
9291 |
10190 |
78.2 |
43.3 |
n/a |
Tue, Apr 22, 2025 |
3558.20 |
0.01 |
7,659,824 |
11037 |
10409 |
76.5 |
41.8 |
n/a |
Mon, Apr 21, 2025 |
3558.19 |
-0.01 |
7,659,123 |
10270 |
10406 |
75.1 |
39.0 |
n/a |
Sun, Apr 20, 2025 |
3558.20 |
-0.05 |
7,659,824 |
7745 |
9409 |
71.0 |
34.2 |
n/a |
Sat, Apr 19, 2025 |
3558.25 |
0.05 |
7,663,332 |
11891 |
9735 |
58.3 |
35.4 |
n/a |
Fri, Apr 18, 2025 |
3558.20 |
-0.10 |
7,659,824 |
6652 |
10227 |
48.3 |
34.1 |
n/a |
Thu, Apr 17, 2025 |
3558.30 |
0.10 |
7,666,841 |
14111 |
10044 |
67.5 |
43.4 |
n/a |
Wed, Apr 16, 2025 |
3558.20 |
-0.09 |
7,659,824 |
6940 |
10133 |
79.3 |
44.1 |
n/a |
Averages of List |
3558.15 |
-0.03 |
7,656,569 |
9350 |
10058 |
70.2 |
39.7 |
n/a |
Averages for April 29th
AVERAGE TYPE |
ELEVATION |
CUR vs AVERAGE |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
All-Time |
3613.42 |
-55.48 |
0.09 |
13,971,335 |
17915 |
12741 |
76.2 |
49.7 |
58.4 |
Since Filled |
3626.52 |
-68.58 |
0.14 |
15,047,445 |
18662 |
12271 |
76 |
50.1 |
58.5 |
Since WY 2000 |
3594.88 |
-36.94 |
0.1 |
11,539,585 |
15201 |
10490 |
75.3 |
51 |
58.4 |
Last 10 April 29th's data records
DATE MEASURED |
ELEVATION |
CUR ELEV vs THEN |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Mon, Apr 29, 2024 |
3559.60 |
-1.66 |
7,758,428 |
17792 |
10231 |
73.4 |
53.9 |
n/a |
Sat, Apr 29, 2023 |
3524.50 |
33.44 |
5,516,191 |
22759 |
11033 |
80.1 |
52.2 |
60.0 |
Fri, Apr 29, 2022 |
3522.73 |
35.21 |
5,788,175 |
9619 |
6455 |
77.0 |
57.0 |
58.0 |
Thu, Apr 29, 2021 |
3562.52 |
-4.58 |
8,516,065 |
4609 |
10632 |
81.0 |
54.0 |
58.0 |
Wed, Apr 29, 2020 |
3599.39 |
-41.45 |
11,691,979 |
7145 |
10906 |
89.0 |
60.0 |
61.0 |
Mon, Apr 29, 2019 |
3570.62 |
-12.68 |
9,157,284 |
26488 |
12501 |
70.0 |
49.0 |
59.0 |
Sun, Apr 29, 2018 |
3609.52 |
-51.58 |
12,682,045 |
9143 |
9826 |
81.0 |
62.0 |
60.0 |
Sat, Apr 29, 2017 |
3603.76 |
-45.82 |
12,112,456 |
27702 |
9828 |
64.0 |
45.0 |
57.0 |
Fri, Apr 29, 2016 |
3591.94 |
-34.00 |
10,997,042 |
18415 |
11580 |
63.0 |
46.0 |
57.0 |
Wed, Apr 29, 2015 |
3590.22 |
-32.28 |
10,840,433 |
7848 |
10451 |
74.0 |
49.0 |
62.0 |
Averages of List |
3571.45 |
-13.51 |
9,321,210 |
18072 |
10102 |
73.4 |
52.4 |
58.9 |
Accessibility of Launch Ramps, Primitive Launches and Other Sites
As of Tuesday, April 29th, 2025 where elevation was 3557.94'
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 |
55.94 Above |
57.94 Above |
Open and Usable |
Bullfrog North Ramp |
3529.00 |
3527.00 |
28.94 Above |
30.94 Above |
Open and Usable |
Antelope Point Business Ramp |
3540.00 |
3538.00 |
17.94 Above |
19.94 Above |
Open and Usable |
Wahweap (Main Launch) |
3546.00 |
3544.00 |
11.94 Above |
13.94 Above |
Open and Usable |
Bullfrog Spur (Boats < 25') |
3549.00 |
3547.00 |
8.94 Above |
10.94 Above |
Open and Usable |
Halls Crossing (use at own risk) |
3556.00 |
3554.00 |
1.94 Above |
3.94 Above |
Open and Usable |
Stateline Launch |
3564.00 |
3562.00 |
6.06 Below |
4.06 Below |
Unusable, go to main marinas |
Bullfrog (Main Launch) |
3578.00 |
3576.00 |
20.06 Below |
18.06 Below |
Unusable, go to main marinas |
Castle Rock Cut-Off |
3583.00 |
3580.00 |
25.06 Below |
22.06 Below |
Unusable, use Main Channel |
Antelope Point Public Ramp |
3588.00 |
3586.00 |
30.06 Below |
28.06 Below |
Unusable, go to main marinas |
Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
44.06 Below |
42.06 Below |
Unusable, go to main marinas |
Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
55.06 Below |
51.06 Below |
Unusable, go to main marinas |
Hite |
3650.00 |
3645.00 |
92.06 Below |
87.06 Below |
Unusable, go to main marinas |
Farley Canyon |
3653.00 |
3649.00 |
95.06 Below |
91.06 Below |
Unusable, go to main marinas |
Copper Canyon |
3663.00 |
3660.00 |
105.06 Below |
102.06 Below |
Unusable, go to main marinas |
Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
112.06 Below |
110.06 Below |
Unusable, use Main Channel |
Piute Farms |
3682.00 |
3680.00 |
124.06 Below |
122.06 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 5.235 seconds to create!
Copyright Water-Data.com
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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