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 361 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 69.27% of capacity. Click for Details
Inflows for WY 2018 are 47.12% of WY 2017 Rivers feeding Lake Powell are running at 57.11% of the Sep 26th avg. Click for Details

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

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

Mon, Sep 24, 2018 3593.31 -0.16 11122812 8301 22751 n/a n/a n/a

Sun, Sep 23, 2018 3593.47 -0.49 11137560 6319 19783 n/a n/a n/a

Sat, Sep 22, 2018 3593.62 0.15 11151397 7799 22271 n/a n/a n/a

Fri, Sep 21, 2018 3593.78 0.31 11166169 6639 23120 n/a n/a n/a

Thu, Sep 20, 2018 3593.96 -0.18 11182803 6674 23169 n/a n/a n/a

Wed, Sep 19, 2018 3594.14 -0.32 11199452 9576 23086 n/a n/a n/a

Tue, Sep 18, 2018 3594.29 0.15 11213338 7555 23078 n/a n/a n/a

Mon, Sep 17, 2018 3594.46 -0.16 11229089 8971 23506 n/a n/a n/a

Sun, Sep 16, 2018 3594.62 -0.48 11243926 7260 19799 n/a n/a n/a

Sat, Sep 15, 2018 3594.76 0.14 11256919 6651 22211 n/a n/a n/a

Fri, Sep 14, 2018 3594.93 0.31 11272709 7668 23243 n/a n/a n/a

Thu, Sep 13, 2018 3595.10 -0.17 11288513 7771 23358 n/a n/a n/a

Wed, Sep 12, 2018 3595.27 -0.19 11304331 5629 23245 n/a n/a n/a

Tue, Sep 11, 2018 3595.46 -0.16 11322027 8757 23364 n/a n/a n/a

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

Averages for September 26th

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

Since Filled 3649.22 -0.08 17559049.50 19777.95 25805.28 84.25 57.77 73.0

All-Time 3634.73 -0.08 15885458.18 19048.85 24534.06 84.41 57.42 73.0

Last 10 September 26th's data records

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

Tue, Sep 26, 2017 3628.54 -0.09 14689976 14285 23211 73.0 48.0 70.0

Mon, Sep 26, 2016 3610.94 0.00 12825151 25569 23901 79.0 55.0 71.0

Sat, Sep 26, 2015 3606.45 -0.09 12376285 15011 22999 89.1 64.9 76.0

Fri, Sep 26, 2014 3605.38 -0.05 12270885 17431 21130 93.0 68.0 77.0

Thu, Sep 26, 2013 3591.37 -0.01 10944983 22537 22062 78.1 57.9 72.0

Wed, Sep 26, 2012 3621.85 -0.07 13960241 9558 15862 80.1 57.0 73.0

Mon, Sep 26, 2011 3653.44 -0.10 17647716 24425 30732 88.0 71.1 74.0

Sun, Sep 26, 2010 3633.75 -0.01 15277068 18441 15906 89.1 60.1 73.0

Sat, Sep 26, 2009 3635.63 -0.06 15492958 17020 19928 90.0 60.1 74.0

Fri, Sep 26, 2008 3627.30 -0.09 14552670 17112 24127 89.1 62.1 73.0

Averages of List 3621.47 -0.06 14003793.30 18138.91 21985.91 84.85 60.42 73.3

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 - Acre Feet per day
Outflow - Acre Feet per day
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