Nueces River at Calallen, TX

River level and flood forecast · San Patricio County

Normal4.5 ftas of Mon 2:30 PM

The river is 2.5 ft below flood stage (7 ft).

Flow: 0 cubic feet per second (USGS).

The last 7 days and the forecast

45678TueWedThuFriSatSunMonAction 6 ftFlood 7 ftModerate 7.5 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage8.5 ft
Moderate flood stage7.5 ft
Flood stage7 ft
Action stage6 ft
Record crest (September 24, 1967)16 ft

What floods at each level

From the National Weather Service, highest first.

  • 12 ftWidespread 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 ftResidents 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 ftWidespread 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 ftMajor 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 ftRoads 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 ftRoads 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 ftModerate 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 ftMinor 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 ftOverbank conditions occur with no significant impacts.

Highest crests on record

  1. 16 ft — September 24, 1967
  2. 12.97 ft — September 15, 2002
  3. 12.24 ft — July 18, 2002
  4. 10.63 ft — July 16, 2007
  5. 9.53 ft — June 26, 1987

Recent crests: 6.1 ft (October 2, 2021) · 6.81 ft (July 10, 2021) · 6.83 ft (July 8, 2021) · 6 ft (June 5, 2021) · 6.23 ft (May 20, 2021)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CAAT2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.