Lake Lyndon B. Johnson siteid=560 · TX

Water level & flow 2023-08-01 .. 2026-09-17 · SWOT depth track + USGS NWIS gauges · one linked timeline

current depth 83 ft

drawdown 2.1 ft below full pool

water level (depth) 98% 83 of 85 ft deep

water stored (volume) 88% est. from bathymetry

measured Sep 17 nwis_stage

pipeline refresh 2026-09-17 23:33 UTC

filter: normal range & outlook fill (Mar–Jun) · drain (Jul–Oct) zoom or pan either chart — the other follows 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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