Lake Anna siteid=537 · VA
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Water level & flow 2023-09-03 .. 2026-08-24 · SWOT depth track + USGS NWIS gauges · one linked timeline
current depth
73 ft
drawdown
4.6 ft
below full pool
water level (depth)
94%
73 of
77 ft deep
water stored (volume)
73%
est. from bathymetry
measured
Aug 24
swot_lakesp
pipeline refresh
2026-09-17 23:17 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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