River gauges›Texas
RIVER GAUGE · RIO GRANDE

Rio Grande at Castolon

Brewster County, Texas

Water level1.72 ft
Flow2 cfs
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Action13 ft
Minor flood15 ft
Moderate flood19 ft
Major flood24 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Sep 26, 195824.7 ft-9,999 cfs
Oct 2, 193224.6 ft—
Sep 22, 200823.25 ft59,092 cfs

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