Major Flood
129.3 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
127.8 ft
Minor Flood
122.5 ft
Action Stage
113.1 ft
What Floods at Each Level
138.8 ft
At levels above 138.8 feet, major lowland flooding continues with water to the gage house on the left downstream bank. The approaches to the FM 1458 bridge are inundated and impassable. The home on the left upstream is likely flooded with several feet of water.
129.3 ft
At levels above 129.3 feet, major lowland flooding begins with the east approach to the FM 1458 bridge inundated and the home on the left upstream banks is likely flooded.
128.4 ft
At levels above 128.4 feet, moderate lowland flooding continues with water to the toe of the right downstream concrete bridge apron.
127.8 ft
At levels above 127.8 feet, moderate lowland flooding begins as water is over the gravel driveway on the left upstream bank threatening to isolate the homeowner.
122.5 ft
At levels above 122.5 feet, minor lowland flooding begins as water escapes the channel upstream of the gage.
116.9 ft
Bankfull right downstream bank
113.1 ft
Bankfull left upstream bank
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 |
|---|---|---|
| Aug 29, 2017 | 129 ft | 146,000 cfs |
| May 28, 2016 | 128.85 ft | 143,000 cfs |
| Apr 19, 2016 | 123.41 ft | 88,700 cfs |
About This Gauge
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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 above San Felipe?
The Brazos River above San Felipe gauge is maintained by USGS (site 08111850) 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 above San Felipe?
The NWS-defined flood stage for Brazos River above San Felipe is 122.5 feet. Action stage begins at 113.1 feet. Moderate flooding starts at 127.8 feet, and major flooding at 129.3 feet.
How do I get alerts when Brazos River rises?
Download StormCast free on Google Play, go to River Gauges, and add Brazos River above San Felipe 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 above San Felipe gauge located?
The gauge is located in Waller County, Texas at coordinates 29.8083°N, 96.0956°W. USGS site number: 08111850. 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.