River gauges›Missouri
RIVER GAUGE · MERAMEC RIVER

Meramec River at Arnold

Jefferson County, Missouri

Water level5.96 ft
Flow7,590 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action22 ft
Minor flood24 ft
Moderate flood35 ft
Major flood38 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Dec 31, 201547.26 ft—
May 3, 201745.62 ft—
Jul 31, 199345.3 ft-9,999 cfs

More on Meramec River

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