Big River near Richwoods, MO

Jefferson County, Missouri · USGS gauge 07018100 · NWS RCHM7 · Big River flood status · Missouri river levels

Is Big River near Richwoods, MO flooding right now?

Big River near Richwoods, MO measured 1.86 ft on 2026-09-22 22:00:00 UTC. No NWS minor flood stage is published for this gauge. Its action level is 15 ft; action level is not flood stage.

Gauge height

1.86 ft

as of 70 min ago

Streamflow

111 cfs

data refreshed 7 min ago

The highest crest on record was 33.39 ft on Mon, May 1, 2017.

Streamflow outlook

NOAA National Water Model forecast, issued 17 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

Category	Stage	Current distance
Action	15 ft	13.1 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

Stage	Date
33.39 ft	2017-05-01
30.33 ft	1993-09-23
28.7 ft	2008-03-19
27.15 ft	1957-06-30
26.42 ft	1994-04-11

Last 7 days

Past 7 days · 1.79–1.96 ft

Nearby gauges

Gauge	Distance	County
Joachim Creek at De Soto, MO	8.4 mi	Jefferson County
Big River below Bonne Terre, MO	15.2 mi	St. Francois County
Big River at Byrnesville, MO	16.4 mi	Jefferson County
Meramec River at Pacific, MO	21.3 mi	Franklin County
Big River below Desloge, MO	21.5 mi	St. Francois County

Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast