Rend Lake siteid=1341 · IL
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Water level & flow 2023-08-28 .. 2026-09-07 · SWOT depth track + USGS NWIS gauges · one linked timeline
current depth
29 ft
drawdown
6.9 ft
below full pool
water level (depth)
81%
29 of
36 ft deep
water stored (volume)
8%
est. from bathymetry
measured
Sep 7
swot_lakesp
pipeline refresh
2026-09-12 09:54 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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