Granby Lake siteid=143 · CO
loading…
Water level & flow 2023-08-03 .. 2026-09-03 · SWOT depth track + USGS NWIS gauges · one linked timeline
current depth
68 ft
drawdown
14.0 ft
below full pool
water level (depth)
83%
68 of
82 ft deep
water stored (volume)
31%
est. from bathymetry
measured
Aug 13
swot_lakesp
pipeline refresh
2026-09-17 20:52 UTC
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…