Sam Rayburn Reservoir siteid=207 · TX
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Water level & flow 2014-01-01 .. 2026-09-18 · SWOT depth track + USGS NWIS gauges · one linked timeline
current depth
65 ft
drawdown
7.1 ft
below full pool
water level (depth)
90%
65 of
72 ft deep
water stored (volume)
66%
1,883,517 of
2,857,077 acre-ft · operator measured
measured
Sep 18
twdb_daily
pipeline refresh
2026-09-18 21:35 UTC
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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