River gauges›Missouri
RIVER GAUGE · MERAMEC RIVER

Meramec River near Eureka

St. Louis County, Missouri

Water level2.72 ft
Flow406 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action17 ft
Minor flood19 ft
Moderate flood26 ft
Major flood31 ft

The past week

Loading chart…

What floods at each level

Highest crests on record

DateLevelFlow
May 3, 201746.11 ft161,880 cfs
Dec 30, 201546.06 ft162,000 cfs
Dec 5, 198242.89 ft145,000 cfs

More on Meramec River

Get an alert when Meramec River rises

Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.

A river gauge in the StormCast app

← All Missouri gauges · Search another river