Lake Powell
Lake Powell
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| Elevation & Content |
Water Inflow Data |
Glen Canyon Dam Release Data | Lake Powell is 80.06 feet below Full Pool (Elevation 3,700)
By content, Lake Powell is 56.56% of Full Pool (24,322,000 af)
| Total inflows for water year 2010: 2,385,016 acre feet
This is 79.8% of the March 9th average of 2,988,771 acre feet | Total releases for water year 2010: 3,916,341 acre feet
This is 47.59% of the minimum required of 8,230,000 acre feet |
| During WY 2010, water storage has fallen by 1,698,027 AF and total outflows have exceeded total inflows by 1,531,325 AF |
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Reservoirs above Lake Powell are currently at 74.91% of capacity. Click for Details |
| Inflows for WY 2010 are 105.56% of WY 2009  
Rivers feeding Lake Powell are running at 83.87% of the Jan 20th avg. Click for Details
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View Acre Feet
Last 14 Measurements
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Tue, Mar 09, 2010 |
3619.94 |
-0.02 |
13756880 |
8004 |
8547 |
48.9 |
34.0 |
50.0 |
| Mon, Mar 08, 2010 |
3619.96 |
0.04 |
13758998 |
7333 |
10025 |
55.0 |
37.9 |
51.0 |
| Sun, Mar 07, 2010 |
3619.92 |
-0.04 |
13754762 |
6875 |
9092 |
48.9 |
39.0 |
51.0 |
| Sat, Mar 06, 2010 |
3619.96 |
0.05 |
13758998 |
6629 |
9055 |
55.9 |
36.0 |
51.0 |
| Fri, Mar 05, 2010 |
3619.91 |
0.02 |
13753704 |
6523 |
10026 |
55.0 |
33.1 |
50.0 |
| Thu, Mar 04, 2010 |
3619.89 |
-0.11 |
13751586 |
6477 |
10091 |
55.0 |
39.0 |
50.0 |
| Wed, Mar 03, 2010 |
3620.00 |
-0.06 |
13763235 |
6368 |
10048 |
59.0 |
36.0 |
50.0 |
| Tue, Mar 02, 2010 |
3620.06 |
-0.05 |
13769592 |
6354 |
10067 |
55.9 |
36.0 |
50.0 |
| Mon, Mar 01, 2010 |
3620.11 |
-0.05 |
13774891 |
6377 |
9999 |
57.0 |
37.0 |
50.0 |
| Sun, Feb 28, 2010 |
3620.16 |
-0.07 |
13780191 |
6509 |
9667 |
54.0 |
37.9 |
50.0 |
| Sat, Feb 27, 2010 |
3620.23 |
-0.08 |
13787615 |
6371 |
10555 |
48.9 |
35.1 |
50.0 |
| Fri, Feb 26, 2010 |
3620.31 |
-0.06 |
13796102 |
6514 |
11946 |
48.9 |
30.9 |
50.0 |
| Thu, Feb 25, 2010 |
3620.37 |
-0.10 |
13802470 |
6893 |
11846 |
51.1 |
30.9 |
50.0 |
| Wed, Feb 24, 2010 |
3620.47 |
-0.11 |
13813089 |
7149 |
11884 |
42.1 |
32.0 |
50.0 |
| Averages of List |
3620.09 |
-0.05 |
13773008.07 |
6741.14 |
10203.43 |
52.54 |
35.34 |
50.2 |
Averages for March 11th
| AVERAGE TYPE |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Since Filled |
3645.75 |
-0.04 |
17109624.72 |
10056.97 |
12468.41 |
62.86 |
38.80 |
50.5 |
| All-Time |
3623.36 |
-0.02 |
15113287.43 |
10193.91 |
11200.74 |
61.41 |
38.51 |
50.5 |
Last 10 March 11th's data records
| DATE MEASURED |
ELEVATION |
CHANGE |
CONTENT |
INFLOW (cfs) |
OUTFLOW (cfs) |
HIGH TEMP |
LOW TEMP |
WATER TEMP |
| Wed, Mar 11, 2009 |
3611.52 |
-0.06 |
12883909 |
6815 |
10452 |
59.0 |
30.0 |
50.0 |
| Tue, Mar 11, 2008 |
3588.26 |
-0.02 |
10663725 |
10556 |
10155 |
63.0 |
37.0 |
49.0 |
| Sun, Mar 11, 2007 |
3597.51 |
-0.02 |
11514069 |
8180 |
8980 |
66.0 |
39.9 |
50.0 |
| Sat, Mar 11, 2006 |
3589.38 |
-0.01 |
10764461 |
8842 |
9493 |
39.9 |
26.1 |
48.0 |
| Fri, Mar 11, 2005 |
3557.86 |
-0.13 |
8161469 |
7638 |
13975 |
68.0 |
44.1 |
56.0 |
| Thu, Mar 11, 2004 |
3585.09 |
-0.18 |
10381883 |
5686 |
14072 |
68.0 |
46.0 |
53.0 |
| Tue, Mar 11, 2003 |
3609.51 |
-0.14 |
12681042 |
5300 |
12779 |
72.0 |
44.1 |
50.0 |
| Mon, Mar 11, 2002 |
3649.01 |
-0.04 |
17092802 |
5052 |
10086 |
60.1 |
42.1 |
48.0 |
| Sun, Mar 11, 2001 |
3663.57 |
-0.04 |
18964614 |
6262 |
9833 |
48.9 |
36.0 |
n/a |
| Sat, Mar 11, 2000 |
3677.38 |
-0.05 |
20878974 |
7835 |
10533 |
57.0 |
32.0 |
n/a |
| Averages of List |
3612.91 |
-0.07 |
13398694.80 |
7216.60 |
11035.80 |
60.19 |
37.73 |
50.5 |
Accessibility of Primitive Launches and Other Sites
As of Tuesday, March 9th, 2010 where elevation was 3619.94'
| SITE/LAUNCH NAME |
MINIMUM SAFE ELEVATION |
ABSOLUTE MINIMUM USABLE ELEVATION |
CURRENT LEVEL VS. ABSOLUTE MINIMUM |
CURRENT ACCESSIBILITY |
| Antelope Point |
3587.00 |
3586.00 |
33.94 Above |
Open and Usable |
| Castle Rock Cut-Off |
3612.00 |
3608.00 |
11.94 Above |
Open and Usable |
| Farley Canyon |
3653.00 |
3649.00 |
29.06 Below |
Unusable, go to main marinas |
| Copper Canyon |
3663.00 |
3660.00 |
40.06 Below |
Unusable, go to main marinas |
| Bullfrog to Halls Creek Cut-Off |
3668.00 |
3665.00 |
45.06 Below |
Unusable, use Main Channel |
| Piute Farms |
3682.00 |
3680.00 |
60.06 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. |
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
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