StormCast — Weather & Emergency Alerts

Big River at Richwoods
Missouri — Water Level & Flood Stage

Located in Jefferson County, Missouri on the Big River. Live water level data from USGS gauge 07018100, updated every 15 minutes.

Current Water Level

Gage Height

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Streamflow

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Last Reading

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Flood Stages

Action Stage

15 ft

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

What Floods at Each Level

18 ft

Near this height, Engledow Road at Upper Blackwell Road near DeSoto are closed upstream of the gage. Just downstream of the gage, Browns Ford Road at Ware Lake Road are closed near this height.

Impact statements from the National Weather Service, describing what typically happens at each water level.

7-Day Water Level Chart

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View Official NWS Hydrograph →

Historic Crests

Date Stage Flow
Apr 30, 201733.39 ft
Apr 30, 201733.39 ft
Sep 22, 199330.33 ft59,800 cfs
Sep 22, 199330.33 ft59,800 cfs
Mar 19, 200828.7 ft52,800 cfs

About This Gauge

USGS Site

07018100

NWS LID

RCHM7

River

Big River

County

Jefferson, MO

Coordinates

38.1594°N, 90.7061°W

Get Flood Alerts for Big River

StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.

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Frequently Asked Questions

What is the current water level of Big River at Richwoods?

The Big River at Richwoods gauge is maintained by USGS (site 07018100) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.

What is flood stage for Big River at Richwoods?

This gauge has NWS-defined flood categories. Check the flood stages section above for current thresholds.

How do I get alerts when Big River rises?

Download StormCast free on Google Play, go to River Gauges, and add Big River at Richwoods to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.

Where is the Big River at Richwoods gauge located?

The gauge is located in Jefferson County, Missouri at coordinates 38.1594°N, 90.7061°W. USGS site number: 07018100. Data is provided by the U.S. Geological Survey and the National Weather Service.

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Source & Notes

Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey