Folsom Lake siteid=748 · CA
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Water level & flow 2023-07-31 .. 2026-08-31 · SWOT depth track + USGS NWIS gauges · one linked timeline
current depth
111 ft
drawdown
4.1 ft
below full pool
water level (depth)
96%
111 of
115 ft deep
water stored (volume)
82%
est. from bathymetry
measured
Aug 10
swot_lakesp
pipeline refresh
2026-09-15 22:58 UTC
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elevation trend: robust smoothing + outlier removal · raw value on hover
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Inflow / outflow USGS NWIS daily discharge · same timeline as above
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