Lake Washington siteid=320 · WA
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Water level & flow 2023-07-01 .. 2026-09-12 · SWOT depth track + USGS NWIS gauges · one linked timeline
current depth
79 ft
drawdown
3.6 ft
below full pool
water level (depth)
96%
79 of
82 ft deep
water stored (volume)
75%
est. from bathymetry
measured
Sep 12
swot_lakesp
pipeline refresh
2026-09-17 22:09 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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