Percy Priest Lake siteid=968 · TN
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Water level & flow 2023-07-27 .. 2026-09-07 · SWOT depth track + USGS NWIS gauges · one linked timeline
current depth
78 ft
drawdown
23.7 ft
below full pool
water level (depth)
77%
78 of
102 ft deep
water stored (volume)
18%
est. from bathymetry
measured
Sep 7
swot_lakesp
pipeline refresh
2026-09-13 15:54 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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