Major Flood
20 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
15 ft
Minor Flood
12 ft
Action Stage
10 ft
What Floods at Each Level
22 ft
Croplands...pastures...and local highways flood across most of the river valley...in southern Knox and southern Baylor counties. Rural areas may have overflow depths up to 10 feet...along with very devastating currents.
21 ft
Croplands...pastures...and local highways flood across most of the river valley...in southern Knox and southern Baylor counties. Rural areas may have overflow depths up to 9 feet...along with very devastating currents.
20 ft
Croplands...pastures...and local highways flood across most of the river valley...in southern Knox and southern Baylor counties. Rural areas may have overflow depths up to 8 feet...along with very devastating currents.
19 ft
Croplands...pastures...and local highways flood across most of the river valley...in southern Knox and southern Baylor counties. Rural areas may have overflow depths up to 7 feet...along with very devastating currents.
18 ft
Croplands...pastures...and local highways flood across most of the river valley...in southern Knox and southern Baylor counties. Rural areas may have overflow depths up to 6 feet...along with very devastating currents.
17 ft
Croplands...pastures...and local roads flood along the river in southern Baylor and southern Knox counties. Rural areas may have overflow depths up to 5 feet...along with very dangerous currents.
16 ft
Flooding affects croplands...pastures...and rural roads along the river in southern Knox and southern Baylor counties. Low-lying areas may experience depths up to 4 feet...with dangerous currents.
15 ft
Flooding affects croplands...pastures...and rural roads along the river in southern Knox and southern Baylor counties. Low-lying areas may experience depths up to 3 feet...with dangerous currents.
14 ft
Short duration flooding affects low-lying areas along and near the river in southern Knox and southern Baylor counties.
13 ft
Short duration flooding affects low-lying areas along and near the river in southern Knox and southern Baylor counties.
12 ft
Shallow and short duration flooding affects low-lying areas along and near the river in southern Knox and southern Baylor counties.
11 ft
Near bankfull stages occur along the river in southern Knox and southern Baylor counties.
10 ft
The river remains within its banks in southern Knox and southern Baylor counties.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Sep 27, 1955 | 23 ft | 71,200 cfs |
| Oct 4, 1955 | 18.98 ft | 50,500 cfs |
| Aug 17, 2005 | 18.6 ft | 25,000 cfs |
About This Gauge
Get Flood Alerts for Brazos 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.
Frequently Asked Questions
What is the current water level of Brazos River at Seymour?
The Brazos River at Seymour gauge is maintained by USGS (site 08082500) 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 Brazos River at Seymour?
The NWS-defined flood stage for Brazos River at Seymour is 12 feet. Action stage begins at 10 feet. Moderate flooding starts at 15 feet, and major flooding at 20 feet.
How do I get alerts when Brazos River rises?
Download StormCast free on Google Play, go to River Gauges, and add Brazos River at Seymour to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Brazos River at Seymour gauge located?
The gauge is located in Baylor County, Texas at coordinates 33.5809°N, 99.2676°W. USGS site number: 08082500. 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
- River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.