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
13 ft
Action Stage
10 ft
What Floods at Each Level
26.25 ft
the river threatens the Big Bend Park employee living quarters at Rio Grande Village. Evacuations will likely be required.
25 ft
the river continues to inundate Rio Grande Village campground. The campground store also begins to flood at stages over 25 feet (7.62 meters).
22 ft
the river completely submerges the telemetry box near the pump house, rendering it useless.
20 ft
the river reaches major flood stage. Rio Grande Village campground begins to flood. Evacuations may be necessary. The rain gauge near pump house will be affected.
19 ft
the river reaches the bottom of telemetry box near the pump house.
15 ft
the river reaches moderate flood stage. Water pumps submerge.
13 ft
the river reaches minor flood stage. Water reaches the water pumps maintained by the park service that are used to water the campgrounds and to provide water to the employee living quarters. It may be necessary for park personnel to remove the pumps.
12 ft
the river reaches bankfull, and no damage is expected. Preparations may be necessary to remove water pumps. The park should be notified at this time if additional rises are expected so they will have time to remove the pumps.
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 |
|---|---|---|
| Oct 2, 1978 | 25.5 ft | — |
| Sep 21, 2008 | 24.78 ft | 50,275 cfs |
| Oct 2, 1990 | 21 ft | — |
About This Gauge
Get Flood Alerts for Rio Grande
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 Rio Grande at Boquillas Crossing?
The Rio Grande at Boquillas Crossing gauge is maintained by USGS (site 08375300) 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 Rio Grande at Boquillas Crossing?
The NWS-defined flood stage for Rio Grande at Boquillas Crossing is 13 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 Rio Grande rises?
Download StormCast free on Google Play, go to River Gauges, and add Rio Grande at Boquillas Crossing 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 Rio Grande at Boquillas Crossing gauge located?
The gauge is located in Brewster County, Texas at coordinates 29.1835°N, 102.9754°W. USGS site number: 08375300. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Rio Grande
On This River
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Source & Notes
Data provided by: United States 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 12 hours into the future from the forecast issuance time.