Lake Monona siteid=383 · WI
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Water level & flow 2023-07-27 .. 2026-09-17 · SWOT depth track + USGS NWIS gauges · one linked timeline
current depth
55 ft
drawdown
5.5 ft
below full pool
water level (depth)
91%
55 of
61 ft deep
water stored (volume)
59%
est. from bathymetry
measured
Sep 17
nwis_stage
pipeline refresh
2026-09-17 22:34 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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