Hydrowet — Lake Powell, live

updated Sep 14, 8:45 PM

Lake Powell · elevation at Glen Canyon Dam

3,463.95ft above sea level

0.00 ftsince midnight

-0.70 ft7 days

-3.10 ft30 days

Powell is easing down — releases, evaporation, and intake are outpacing ≈4,304 cfs of gauged inflow (-0.7 ft this week). That puts it in the “Low-water access only” range, 26.7 ft above the “Below minimum power pool” line.

Storage

—

acre-feet

To full pool (3700 ft)

183.3 ft

below full

Percent full

—

of full-pool storage

Water temp

70.2°F

at Lees Ferry

The lake in cross-section

Past 30d

-3.00 ft over this window

Daily mean elevation · official lake gauge · provisional

Low-water access only1 of 7 public ramps usable · Stateline Auxiliary closes if −1.7 ft

What this level means →

Where the water is flowing

Full water budget →

SteadyReceding · high water draining downOn the rise · climbing right nowInbound wave · big rise upstreamFlooding · NWS, by river height— direction is judged from each gauge’s own last 48 hours, scaled to its river; dot speed follows the flow itself. NWS flood status is judged by river height and outranks direction

Live streamflow at the 3 USGS gauges, plus the live flow leaving through the dam (USGS). Labels show measured flow — line width is not to scale.

Tributary inflow · gauged rivers upstream

4,304cfs combined

51% of gauged inflow is coming from the Green

Green River at Green River, UT
2,190 cfs51%USGS · 9:15 PM MST
Colorado River near Cisco, UT
1,520 cfs35%USGS · 9:00 PM MST
San Juan River near Bluff, UT
594 cfs14%USGS · 9:15 PM MST

Gauged tributaries only — runoff below these gauges and ungauged arms are not included. Streamflow: USGS, provisional, stamped per reading. Flood status: NOAA/NWS, judged by river height at each gauge — not by the flow number.

drawing up the lake…

hydrowet