Lewis and Clark Lake siteid=828 · SD
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Water level & flow 2023-07-01 .. 2026-09-10 · SWOT depth track + USGS NWIS gauges · one linked timeline
current depth
30 ft
drawdown
-8.1 ft
below full pool
water level (depth)
100%
30 of
30 ft deep
water stored (volume)
100%
est. from bathymetry
measured
Sep 10
swot_lakesp
pipeline refresh
2026-09-15 23:37 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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