Lake Powell
Lake Powell
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Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 89.51 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 52.54% of Full Pool (24,322,000 af)
| Total inflows for water year 2020: 1,006,013 acre feet
This is 76.01% of the December 9th average of 1,323,452 acre feet | Total releases for water year 2020: 1,462,066 acre feet
This is 19.49% of the minimum required of 7,500,000 acre feet |
During WY 2020, water storage has risen by 1,763,425 AF yet total outflows have exceeded total inflows by 456,053 AF |
The 28 tracked reservoirs above Lake Powell are currently at 82.17% of capacity. Click for Details |
Inflows for WY 2020 are 114.82% of WY 2019  
Rivers feeding Lake Powell are running at 126.18% of the Dec 10th avg. Click for Details
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Lake Powell is up 25.30 feet from one year ago. Lake Powell is at low for water year and down 4.74 feet from the high.
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View Acre Feet
Last 14 Measurements Lake Powell is down -0.97 feet over these measurements
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Mon, Dec 09, 2019 |
3610.49 |
-0.08 |
12779686 |
8679 |
12640 |
0.0 |
0.0 |
53.0 |
Sun, Dec 08, 2019 |
3610.57 |
-0.07 |
12787761 |
7426 |
10838 |
0.0 |
0.0 |
53.0 |
Sat, Dec 07, 2019 |
3610.64 |
-0.11 |
12794829 |
6659 |
12273 |
0.0 |
0.0 |
54.0 |
Fri, Dec 06, 2019 |
3610.75 |
-0.08 |
12805942 |
8675 |
12641 |
0.0 |
0.0 |
54.0 |
Thu, Dec 05, 2019 |
3610.83 |
-0.07 |
12814028 |
9338 |
12755 |
0.0 |
0.0 |
54.0 |
Wed, Dec 04, 2019 |
3610.90 |
-0.12 |
12821106 |
6109 |
12281 |
0.0 |
0.0 |
55.0 |
Tue, Dec 03, 2019 |
3611.02 |
-0.06 |
12833245 |
9782 |
12651 |
47.0 |
32.0 |
55.0 |
Mon, Dec 02, 2019 |
3611.08 |
-0.12 |
12839318 |
6391 |
12569 |
44.0 |
31.0 |
55.0 |
Sun, Dec 01, 2019 |
3611.20 |
-0.03 |
12851469 |
9463 |
10679 |
40.0 |
26.0 |
55.0 |
Sat, Nov 30, 2019 |
3611.23 |
0.01 |
12854508 |
11109 |
9992 |
42.0 |
29.0 |
55.0 |
Fri, Nov 29, 2019 |
3611.22 |
-0.09 |
12853495 |
6632 |
11032 |
50.0 |
32.0 |
55.0 |
Thu, Nov 28, 2019 |
3611.31 |
-0.05 |
12862614 |
7118 |
9312 |
60.0 |
46.0 |
56.0 |
Wed, Nov 27, 2019 |
3611.36 |
-0.10 |
12867682 |
3513 |
8469 |
54.0 |
32.0 |
56.0 |
Tue, Nov 26, 2019 |
3611.46 |
-0.04 |
12877822 |
9502 |
11145 |
44.0 |
30.0 |
56.0 |
Averages of List |
3611.00 |
-0.07 |
12831679 |
7885 |
11377 |
27.2 |
18.4 |
54.7 |
Averages for December 10th
AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Since Filled |
3643.21 |
-0.15 |
16823201 |
8123 |
14209 |
47.3 |
28.4 |
53.8 |
All-Time |
3630.17 |
-0.11 |
15345232 |
8684 |
13071 |
47.1 |
28.3 |
53.8 |
Last 10 December 10th's data records
DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
Mon, Dec 10, 2018 |
3585.04 |
-0.15 |
10377469 |
5733 |
12565 |
45.0 |
30.0 |
52.0 |
Sun, Dec 10, 2017 |
3624.51 |
-0.08 |
14247140 |
7076 |
11332 |
48.0 |
26.0 |
55.0 |
Sat, Dec 10, 2016 |
3604.06 |
-0.22 |
12141690 |
3184 |
14456 |
51.0 |
30.0 |
55.0 |
Thu, Dec 10, 2015 |
3603.98 |
-0.13 |
12133890 |
6042 |
12527 |
54.0 |
36.0 |
55.0 |
Wed, Dec 10, 2014 |
3600.52 |
-0.14 |
11799748 |
7508 |
14395 |
48.0 |
37.0 |
57.0 |
Tue, Dec 10, 2013 |
3586.91 |
-0.13 |
10543097 |
4231 |
10162 |
30.0 |
14.0 |
51.0 |
Mon, Dec 10, 2012 |
3613.50 |
-0.20 |
13085831 |
2950 |
13674 |
41.0 |
23.0 |
55.0 |
Sat, Dec 10, 2011 |
3643.70 |
-0.23 |
16444261 |
5774 |
20324 |
44.1 |
28.0 |
55.0 |
Fri, Dec 10, 2010 |
3628.95 |
-0.13 |
14735581 |
7397 |
13886 |
54.0 |
32.0 |
53.0 |
Thu, Dec 10, 2009 |
3629.61 |
-0.20 |
14809207 |
6033 |
15292 |
30.9 |
18.0 |
54.0 |
Averages of List |
3612.08 |
-0.16 |
13031791 |
5593 |
13861 |
44.6 |
27.4 |
54.2 |
Accessibility of Primitive Launches and Other Sites
As of Monday, December 9th, 2019 where elevation was 3610.49'
SITE/LAUNCH NAME |
MINIMUM SAFE ELEVATION |
ABSOLUTE MINIMUM USABLE ELEVATION |
CURRENT LEVEL VS. ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
Halls Crossing Launch |
3550.00 |
3548.00 |
62.49 Above |
Open and Usable |
Wahweap |
3558.00 |
3556.00 |
54.49 Above |
Open and Usable |
Bullfrog (Main Launch) |
3578.00 |
3576.00 |
34.49 Above |
Open and Usable |
Castle Rock Cut-Off |
3583.00 |
3580.00 |
30.49 Above |
Open and Usable |
Antelope Point |
3588.00 |
3587.00 |
23.49 Above |
Open and Usable |
Dominguez Butte Cut-Off |
3602.00 |
3600.00 |
10.49 Above |
Open and Usable |
Gunsight to Padre Bay Cut-Off |
3613.00 |
3609.00 |
1.49 Above |
Looking bad, not likely. Go very slow! |
Hite Marina |
3650.00 |
3645.00 |
34.51 Below |
Unusable, go to main marinas |
Farley Canyon |
3653.00 |
3649.00 |
38.51 Below |
Unusable, go to main marinas |
Copper Canyon |
3663.00 |
3660.00 |
49.51 Below |
Unusable, go to main marinas |
Bullfrog to Halls Creek Cut-Off |
3670.00 |
3668.00 |
57.51 Below |
Unusable, use Main Channel |
Piute Farms |
3682.00 |
3680.00 |
69.51 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 0.518 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 - 2019
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