Lake Powell Water Database

Lake Powell, Houseboating, Glen Canyon, Striped Bass

Lake Powell

Lake Powell

For April 26th, 2019
Snowpack is 126% of avg
TotalPrecip is 115.00% of avg

Lake Powell is currently 437.44 feet deep at the dam

Water Summary Today is day 208 of 365 for the Water Year 2019. We are 57% through the Water Year.
Last Reading: 3569.44 on Apr 25, 2019
Powell was last within 2" of this elevation on Mar 31, 2019 There are currently 2,952,831,109,347 gallons of water in Lake Powell!

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Elevation & Content	Water Inflow Data	Glen Canyon Dam Release Data
Lake Powell is 130.56 feet below Full Pool (Elevation 3,700) By content, Lake Powell is 37.26% of Full Pool (24,322,000 af)	Total inflows for water year 2019: 2,927,902 acre feet This is 73.26% of the April 25th average of 3,996,837 acre feet	Total releases for water year 2019: 4,950,120 acre feet This is 66% of the minimum required of 7,500,000 acre feet
During WY 2019, water storage has fallen by 1,954,367 AF and total outflows have exceeded total inflows by 2,022,218 AF
The 28 tracked reservoirs above Lake Powell are currently at 70.12% of capacity. Click for Details
Inflows for WY 2019 are 98.07% of WY 2018 Rivers feeding Lake Powell are running at 96.12% of the Apr 26th avg. Click for Details

View Acre Feet Last 14 Measurements
Powell is up 0.86 feet over these measurements

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

Thu, Apr 25, 2019 3569.44 0.20 9061894 21650 12580 0.0 0.0 57.0

Wed, Apr 24, 2019 3569.24 0.17 9045794 20245 12498 0.0 0.0 57.0

Tue, Apr 23, 2019 3569.07 0.09 9032123 16726 12485 0.0 0.0 56.0

Mon, Apr 22, 2019 3568.98 0.15 9024891 19541 12681 0.0 0.0 56.0

Sun, Apr 21, 2019 3568.83 0.04 9012847 13765 11715 0.0 0.0 56.0

Sat, Apr 20, 2019 3568.79 0.03 9009637 13575 11963 0.0 0.0 56.0

Fri, Apr 19, 2019 3568.76 -0.01 9007231 12473 12608 0.0 0.0 56.0

Thu, Apr 18, 2019 3568.77 0.01 9008033 12630 11891 0.0 0.0 56.0

Wed, Apr 17, 2019 3568.76 0.01 9007231 11836 11096 0.0 0.0 55.0

Tue, Apr 16, 2019 3568.75 0.04 9006428 14286 12237 0.0 0.0 55.0

Mon, Apr 15, 2019 3568.71 0.00 9003220 12880 12578 0.0 0.0 55.0

Sun, Apr 14, 2019 3568.71 0.05 9003220 13852 11367 0.0 0.0 55.0

Sat, Apr 13, 2019 3568.66 0.08 8999211 15680 11887 0.0 0.0 55.0

Fri, Apr 12, 2019 3568.58 0.02 8992798 13634 12460 0.0 0.0 55.0

Averages of List 3568.86 0.06 9015325.57 15198.07 12146.14 0.00 0.00 55.7

Averages for April 26th

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

Since Filled 3636.35 0.10 16004663.29 17179.05 12522.97 72.80 47.75 57.8

All-Time 3620.36 0.09 14695457.75 17090.36 12883.27 73.68 47.33 57.8

Last 10 April 26th's data records

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

Thu, Apr 26, 2018 3609.79 -0.09 12709173 7968 12485 82.0 55.0 60.0

Wed, Apr 26, 2017 3602.97 0.33 12035699 28753 10956 73.0 43.0 57.0

Tue, Apr 26, 2016 3591.71 -0.02 10976017 10951 11584 64.0 43.0 57.0

Sun, Apr 26, 2015 3590.37 -0.05 10854033 7054 9166 64.0 44.0 60.0

Sat, Apr 26, 2014 3576.24 0.31 9620850 22236 7775 64.9 48.9 57.0

Fri, Apr 26, 2013 3596.81 -0.08 11448263 5550 9264 78.1 54.0 55.0

Thu, Apr 26, 2012 3635.65 -0.16 15495266 838 10403 73.4 57.0 63.0

Tue, Apr 26, 2011 3611.03 0.16 12834257 24674 15442 61.0 46.0 55.0

Mon, Apr 26, 2010 3619.94 0.16 13756880 19001 10381 73.9 48.9 58.0

Sun, Apr 26, 2009 3610.39 0.22 12769597 17785 9520 66.9 42.1 54.0

Averages of List 3604.49 0.08 12250003.50 14481.00 10697.60 70.12 48.19 57.6

Accessibility of Primitive Launches and Other Sites
As of Thursday, April 25th, 2019 where elevation was 3569.44'

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

Halls Crossing Launch 3550.00 3548.00 21.44 Above Open and Usable

Wahweap 3558.00 3556.00 13.44 Above Open and Usable

Bullfrog Launch 3570.00 3568.00 1.44 Above Maybe, if you're lucky. Go slow and be watchful

Castle Rock Cut-Off 3583.00 3580.00 10.56 Below Unusable, use Main Channel

Antelope Point 3588.00 3587.00 17.56 Below Unusable, go to main marinas

Hite Marina 3650.00 3645.00 75.56 Below Unusable, go to main marinas

Farley Canyon 3653.00 3649.00 79.56 Below Unusable, go to main marinas

Copper Canyon 3663.00 3660.00 90.56 Below Unusable, go to main marinas

Bullfrog to Halls Creek Cut-Off 3670.00 3668.00 98.56 Below Unusable, use Main Channel

Gunsite Pass Cut-Off 3685.00 3680.00 110.56 Below Unusable, use Main Channel

Piute Farms 3682.00 3680.00 110.56 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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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