StormCast — Weather & Emergency Alerts

Mustang Bayou at SH 6 near Alvin
Texas — Water Level & Flood Stage

Located in Brazoria County, Texas on the Mustang Bayou. Live water level data from USGS gauge 08077888, 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

Major Flood

44 ft

Moderate Flood

42.5 ft

Minor Flood

40 ft

Action Stage

37 ft

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

Low-Water Impacts

5 ft

Stage needed to inundate designated Gulf Sturgeon critical habitat below Jim Woodruff Lock and Dam.

3 ft

Temporary (not sustainable) operating level for of Scholz Power Plant

What happens as water levels drop, per the National Weather Service.

7-Day Water Level Chart

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View Official NWS Hydrograph →

About This Gauge

USGS Site

08077888

NWS LID

MUGT2

River

Mustang Bayou

County

Brazoria, TX

Coordinates

29.4365°N, 95.2663°W

Get Flood Alerts for Mustang Bayou

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 Mustang Bayou at SH 6 near Alvin?

The Mustang Bayou at SH 6 near Alvin gauge is maintained by USGS (site 08077888) 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 Mustang Bayou at SH 6 near Alvin?

The NWS-defined flood stage for Mustang Bayou at SH 6 near Alvin is 40 feet. Action stage begins at 37 feet. Moderate flooding starts at 42.5 feet, and major flooding at 44 feet.

How do I get alerts when Mustang Bayou rises?

Download StormCast free on Google Play, go to River Gauges, and add Mustang Bayou at SH 6 near Alvin 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 Mustang Bayou at SH 6 near Alvin gauge located?

The gauge is located in Brazoria County, Texas at coordinates 29.4365°N, 95.2663°W. USGS site number: 08077888. Data is provided by the U.S. Geological Survey and the National Weather Service.

More Resources

Source & Notes

Data provided by: Observations courtesy of US Geological Service