Lake Powell at Glen Canyon Dam water level

Name: Lake Powell at Glen Canyon Dam water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Reservoir, Lake Powell, Arizona, United States

Directions

Very low for mid-October

Surface elevation

3,523.40ft Up 0.30 ft over the last 24 hours

Measured Oct 19, 2026, 08:45 AM MST (1 hour ago)

History

What this means

Water is short at Lake Powell at Glen Canyon Dam: the latest reading of 3,523.40 ft is far below normal for mid-October.

That puts it 24.80 ft below the median of 3,548.20 ft for mid-October, based on 7 years of readings. A year ago it stood at 3,548.20 ft (−24.80 ft).

It is on the way up, by 0.30 ft over the past 24 hours. The 30-day range is 3,519.80 ft – 3,523.40 ft.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 3,548.20 ft24.80 ft below the median for this date
Normal for this date: 3,532.40 ft – 3,580.00 ft8 years in 10 fall in this range (7 years of records)
Same day last year: 3,548.20 ft−24.80 ft
Lowest and highest in 30 days: 3,519.80 ft – 3,523.40 ft
Lowest and highest in 12 months: 3,519.30 ft – 3,548.30 ft

Boating and fishing at Lake Powell at Glen Canyon Dam

At low levels, launching can mean a long walk or a closed ramp, and shallow points stick out further than charts suggest.

Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.

Weather at the gauge

No rain in the last 3 days.

17 Sat 70° 47° – Wind 7 mph

18 Sun 67° 52° – Wind 7 mph

19 Mon 74° 53° 0.08 in Wind 14 mph

20 Tue 76° 58° – Wind 12 mph

21 Wed 80° 59° – Wind 21 mph

22 Thu 74° 59° 0.08 in, 74% Wind 22 mph

23 Fri 66° 53° 0.02 in, 60% Wind 15 mph

Forecast: Open-Meteo

Sunrise 06:38 AM Sunset 05:45 PM Daylight 11 hr, 7 min First quarter 60%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Paria River at Lees FerryRiver gauge, Paria River	8.5 cfs	Low	−0.7 cfs	8 mi
Colorado River at Lees FerryRiver gauge, Colorado River	5,050 cfs	Low	−30.0 cfs	8 mi
Lake PowellLake	3,520.31 ft	Very low		13 mi
Paria River near Kanab, UtahRiver gauge, Paria River	3.7 cfs	Normal	+0.2 cfs	26 mi

Questions and answers

How does Lake Powell at Glen Canyon Dam compare with last year?

It is 24.80 ft lower than on the same day last year, when the reading was 3,548.20 ft.

What is a normal level for Lake Powell at Glen Canyon Dam in mid-October?

The median for mid-October is 3,548.20 ft. In 8 years out of 10 the reading falls between 3,532.40 ft and 3,580.00 ft, based on 7 years of records.

Is Lake Powell at Glen Canyon Dam really 3,523.40 ft deep?

No. 3,523.40 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Lake Powell at Glen Canyon Dam today?

On Oct 19, 2026, 08:45 AM MST, the surface elevation was 3,523.40 ft. Up 0.30 ft over the last 24 hours.

Is Lake Powell at Glen Canyon Dam rising or falling?

Up 0.30 ft over the last 24 hours. Up 1.70 ft over the last 7 days.

Is the level of Lake Powell at Glen Canyon Dam normal?

Very low for mid-October. Compared with 7 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:09379900 (Agency page)
Coordinates: 36.93665, -111.48405 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Surface elevation	3,523.40 ft	2026-10-19 15:45	Provisional

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How to cite

U.S. Geological Survey: Lake Powell at Glen Canyon Dam (usgs:09379900). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/arizona/lake-powell-at-glen-canyon-dam

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer