Major Flood
8.5 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
7.5 ft
Minor Flood
7 ft
Action Stage
6 ft
What Floods at Each Level
12 ft
Widespread long-lived residential flooding of hundreds of homes above Calallen occurs. This requires residents to be evacuated. Roads into the flood prone areas flood for miles, cutting off large residential areas for weeks. Massive flooding of roads near and around Calallen. Subdivisions evacuated include: County Road 73 in Riverside Addition 1 and 2, Riverside Annex, Twin Lakes, Riverside Acres, and homes in the Nueces River Estates and Lindgreen Estates. Hazel Bazemore Park and Labonte Park flood.
9.5 ft
Residents are isolated upstream on the west side of the river for as much as six weeks. Widespread lowland flooding occurs, requiring evacuations. This includes the subdivisions of County Road 73 in Riverside Addition 1 and 2, Riverside Annex, Twin Lakes, Riverside Acres and homes in the Nueces River Estates and Lindgreen Estates. Hazel Bazemore Park and Labonte Park are inundated, and roads near the parks are flooded.
9 ft
Widespread lowland flooding occurs, closing roads and cutting off many residences at times for weeks. Flooding of roads and residential areas near Calallen is widespread. Evacautions are required for the subdivisions of County Road 73 in Riverside Addition 1 and 2, Riverside Annex, Twin Lakes, Riverside Acres and homes in the Nueces River Estates and Lindgreen Estates. Hazel Bazemore Park and Labonte Park will are inundated.
8.5 ft
Major lowland flooding occurs. Roads flood through residential areas, cutting off homes near Calallen at times for weeks. Evacuations are required in the subdivisions of County Road 73 in Riverside Addition 1 and 2, Riverside Annex, Twin Lakes, Riverside Acres and homes in the Nueces River Estates and Lindgreen Estates. Hazel Bazemore Park is flooded, and Labonte Park is inundated.
8.19 ft
Roads flood in residential areas, cutting off homes near Calallen, and requiring evacuations. This includes the subdivisions of County Road 73 in Riverside Addition 1 and 2, Riverside Annex, Twin Lakes, Riverside Acres and homes in the Nueces River Estates and Lindgreen Estates. Hazel Bazemore Park and Labonte Park will also flood, with a good part of the park under water. Roads near the park and river are closed, and the soccer field is inundated.
7.7 ft
Roads flood through the lowest residential areas, cutting off homes near Calallen, and requiring evacuations. This includes the subdivisions of County Road 73 in Riverside Addition 1 and 2, Riverside Annex, Twin Lakes, Riverside Acres and homes in the Nueces River Estates and Lindgreen Estates. Hazel Bazemore Park and Labonte Park will also flood, with a good part of the park under water. Roads near the park and river are closed.
7.5 ft
Moderate lowland flooding occurs. Roads flood through the lowest residential areas...cutting off homes near Calallen, and requiring evacuations. This includes the subdivisions of County Road 73 in Riverside Addition 1 and 2, Riverside Annex, Twin Lakes, Riverside Acres and homes in the Nueces River Estates and Lindgreen Estates. Hazel Bazemore Park and Labonte Park will also flood.
7 ft
Minor lowland flooding occurs. The flow above Calallen impacts residential areas in the following subdivisions, Sandy Hallow, Los Dos Palomas, Los Escondido, and along Oak Lane in Rio Encinos. Roads in some of the lowest residential areas near Calallen are threatened, including the subdivisions of County Road 73 in Riverside Addition 1 and 2, Riverside Annex, Twin Lakes, Riverside Acres and homes in the Nueces River Estates and Lindgreen Estates. Flow gets into the lowest areas of Labonte Park.
6 ft
Overbank conditions occur with no significant impacts.
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 23, 1967 | 16 ft | 138,000 cfs |
| Sep 15, 2002 | 12.97 ft | 7,358 cfs |
| Jul 18, 2002 | 12.24 ft | 6,646 cfs |
About This Gauge
USGS Site
NWS LID
CAAT2
River
Nueces River
County
San Patricio, TX
Coordinates
27.8830°N, 97.6250°W
Get Flood Alerts for Nueces 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 Nueces River at Calallen?
The Nueces River at Calallen gauge is maintained by USGS (site 08211500) 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 Nueces River at Calallen?
The NWS-defined flood stage for Nueces River at Calallen is 7 feet. Action stage begins at 6 feet. Moderate flooding starts at 7.5 feet, and major flooding at 8.5 feet.
How do I get alerts when Nueces River rises?
Download StormCast free on Google Play, go to River Gauges, and add Nueces River at Calallen 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 Nueces River at Calallen gauge located?
The gauge is located in San Patricio County, Texas at coordinates 27.8830°N, 97.6250°W. USGS site number: 08211500. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Gauges on Nueces River
On This River
Upstream: Nueces River near Bluntzer
More Resources
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.