Lake Powell Water Database

Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell

Lake Powell

For September 25th, 2018
Snowpack is 60% of avg
TotalPrecip is 65.00% of avg

Lake Powell is currently 461.31 feet deep at the dam

Water Summary Today is day 360 of 365 for the Water Year 2018. We are 99% through the Water Year.
Last Reading: 3593.31 on Sep 24, 2018
Powell was last within 2" of this elevation on Mar 20, 2016 There are currently 3,624,384,184,698 gallons of water in Lake Powell!

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Detailed Map of Powell
15 Day Weather Forecast
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Elevation & Content	Water Inflow Data	Glen Canyon Dam Release Data
Lake Powell is 106.69 feet below Full Pool (Elevation 3,700) By content, Lake Powell is 45.73% of Full Pool (24,322,000 af)	Total inflows for water year 2018: 5,341,978 acre feet This is 50.43% of the September 24th average of 10,593,666 acre feet	Total releases for water year 2018: 8,852,710 acre feet This is 107.57% of the minimum required of 8,230,000 acre feet
During WY 2018, water storage has fallen by 3,552,725 AF and total outflows have exceeded total inflows by 3,510,732 AF
The 28 tracked reservoirs above Lake Powell are currently at 69.41% of capacity. Click for Details
Inflows for WY 2018 are 47.12% of WY 2017 Rivers feeding Lake Powell are running at 55.46% of the Sep 25th avg. Click for Details

View Acre Feet Last 14 Measurements
Powell is down -2.15 feet over these measurements

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP

Mon, Sep 24, 2018 3593.31 -0.16 11122812 4185 11470 n/a n/a n/a

Sun, Sep 23, 2018 3593.47 -0.49 11137560 3186 9974 n/a n/a n/a

Sat, Sep 22, 2018 3593.62 0.15 11151397 3932 11228 n/a n/a n/a

Fri, Sep 21, 2018 3593.78 0.31 11166169 3347 11656 n/a n/a n/a

Thu, Sep 20, 2018 3593.96 -0.18 11182803 3365 11681 n/a n/a n/a

Wed, Sep 19, 2018 3594.14 -0.32 11199452 4828 11639 n/a n/a n/a

Tue, Sep 18, 2018 3594.29 0.15 11213338 3809 11635 n/a n/a n/a

Mon, Sep 17, 2018 3594.46 -0.16 11229089 4523 11851 n/a n/a n/a

Sun, Sep 16, 2018 3594.62 -0.48 11243926 3660 9982 n/a n/a n/a

Sat, Sep 15, 2018 3594.76 0.14 11256919 3353 11198 n/a n/a n/a

Fri, Sep 14, 2018 3594.93 0.31 11272709 3866 11718 n/a n/a n/a

Thu, Sep 13, 2018 3595.10 -0.17 11288513 3918 11776 n/a n/a n/a

Wed, Sep 12, 2018 3595.27 -0.19 11304331 2838 11719 n/a n/a n/a

Tue, Sep 11, 2018 3595.46 -0.16 11322027 4415 11779 n/a n/a n/a

Averages of List n/a n/a n/a

Averages for September 25th

AVERAGE TYPE ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP

Since Filled 3649.30 -0.06 17569121.00 10229.87 13109.87 83.58 57.32 73.4

All-Time 3634.81 -0.08 15895195.53 9816.38 12569.73 83.76 57.44 73.4

Last 10 September 25th's data records

DATE MEASURED ELEVATION CHANGE CONTENT INFLOW (cfs) OUTFLOW (cfs) HIGH TEMP LOW TEMP WATER TEMP

Mon, Sep 25, 2017 3628.63 -0.11 14699978 4808 10521 70.0 45.0 71.0

Sun, Sep 25, 2016 3610.94 -0.02 12825151 10143 10404 75.0 55.0 72.0

Fri, Sep 25, 2015 3606.54 -0.11 12385178 7239 12345 91.0 64.0 77.0

Thu, Sep 25, 2014 3605.43 -0.03 12275797 9889 10684 93.0 64.9 77.0

Wed, Sep 25, 2013 3591.38 0.16 10945895 19310 10633 84.9 63.0 72.0

Tue, Sep 25, 2012 3621.92 -0.04 13967736 6602 8031 75.9 61.0 73.0

Sun, Sep 25, 2011 3653.54 -0.06 17660388 12708 15483 89.1 63.0 74.0

Sat, Sep 25, 2010 3633.76 0.00 15278211 10760 7967 87.1 57.9 73.0

Fri, Sep 25, 2009 3635.69 -0.05 15499883 8489 10029 88.0 57.0 75.0

Thu, Sep 25, 2008 3627.39 -0.08 14562605 8742 12144 89.1 62.1 74.0

Averages of List 3621.52 -0.03 14010082.20 9869.00 10824.10 84.31 59.29 73.8

Accessibility of Primitive Launches and Other Sites
As of Monday, September 24th, 2018 where elevation was 3593.31'

SITE/LAUNCH NAME MINIMUM SAFE
ELEVATION ABSOLUTE MINIMUM
USABLE ELEVATION CURRENT LEVEL VS.
ABSOLUTE MINIMUM CURRENT ACCESSIBILITY

Castle Rock Cut-Off 3583.00 3580.00 13.31 Above Open and Usable

Antelope Point 3592.00 3590.00 3.31 Above Open and Usable

Hite Marina 3650.00 3645.00 51.69 Below Unusable, go to main marinas

Farley Canyon 3653.00 3649.00 55.69 Below Unusable, go to main marinas

Copper Canyon 3663.00 3660.00 66.69 Below Unusable, go to main marinas

Bullfrog to Halls Creek Cut-Off 3670.00 3668.00 74.69 Below Unusable, use Main Channel

Piute Farms 3682.00 3680.00 86.69 Below Unusable, go to main marinas

Gunsite Pass Cut-Off 3685.00 3680.00 86.69 Below Unusable, use Main Channel

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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Copyright Summit Technologies, Inc.
Water data courtesy of US Bureau of Reclamation
*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

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Lake Powell, Houseboating, Glen Canyon, Striped Bass