Lake Powell siteid=9 · AZ

Water level & flow 2019-04-19 .. 2026-09-16 · SWOT depth track + USGS NWIS gauges · one linked timeline

current depth 92 ft

drawdown 16.4 ft below full pool

water level (depth) 85% 92 of 108 ft deep

water stored (volume) 33% est. from bathymetry

measured Jun 29 nwis_stage

pipeline refresh 2026-09-17 20:24 UTC

filter: normal range & outlook fill (Mar–Jun) · drain (Jul–Oct) zoom or pan either chart — the other follows elevation trend: robust smoothing + outlier removal · raw value on hover

loading water-depth track…

Inflow / outflow USGS NWIS daily discharge · same timeline as above

loading gauge data…