Lavaca River at Hallettsville, TX
River level and flood forecast · Lavaca County
Normal3.2 ftas of Mon 3:15 PM
The river is 23.8 ft below flood stage (27 ft).
Flow: 1 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 29 ft |
| Moderate flood stage | 28 ft |
| Flood stage | 27 ft |
| Action stage | 20 ft |
| Record crest (August 31, 1981) | 41.1 ft |
What floods at each level
From the National Weather Service, highest first.
- 41 ftMajor lowland flooding continues with water up to 6 feet deep in the Hallettsville Town Square flooding hundreds of homes and businesses. Water is several feet deep in the county jail. Massive losses will occur if livestock are not removed from the floodplain.
- 38 ftMajor lowland flooding continues as several feet of water covers the Hallettsville Town Square with up to 9 feet of water in the lowest homes along the Lavaca River. Numerous roads and highways are flooded and impassable with over two feet of water flowing over them. Livestock should be removed from the floodplain.
- 35 ftMajor lowland flooding continues as disasterous flooding rises to the town square of Hallettesville. Hundreds of residences and businesses in western Hallettsville are inundated with up to 6 feet of water in the lowest structures. Roads and bridges near the river are severely flooded and very dangerous. Hundreds of head of livestock are cut off and potentialy drowned if not removed from the floodplain.
- 33 ftMajor lowland flooding continues as disasterous flooding inundates homes and businesses in the Lavaca River floodplain west of downtown Hallettsville. The downtown square in threatened and flooding is life threatening in some areas. Many primary and secondary roads and bridges are inundated and impassable. Livestock should be removed from the floodplain.
- 30 ftMajor lowland flooding continues as the two lowest commercial buildings and several residences in Hallettsville flood. Secondary roads and low bridges are flooded and dangerous. Livestock should be removed from flood prone areas.
- 29 ftMajor lowland flooding begins in the vicinity of the gage as water inundates the lowest residences in Hallettsville. Numerous roads and low bridges near the river are inundated and impassable.
- 28 ftModerate lowland flooding begins in the vicinity of the gage as flooding extends well into the floodplain threatening the lowest homes in Hallettsville. Secondary roads and low bridges are flooded and dangerous to motorists.
- 27 ftMinor lowland flooding begins in the vicinity of the gage as water escapes the main channel and inundates the floodplain.
Highest crests on record
- 41.1 ft — August 31, 1981
- 40.6 ft — June 30, 1940
- 32.16 ft — May 13, 1982
- 30.55 ft — October 15, 1957
- 30.52 ft — June 13, 1973
Recent crests: 25.3 ft (August 28, 2017) · 20.66 ft (June 10, 2004) · 20.83 ft (November 5, 2002) · 28.53 ft (October 18, 1998) · 28.25 ft (April 11, 1997)
Up and down the river, and nearby
- DownstreamLavaca River near Edna, TX
- Navidad River at Sublime, TX
- Navidad River near Speaks, TX
- Peach Creek below Dilworth, TX
- Guadalupe River at Hwy 183 near Hochheim, TX
- Peach Creek at Hwy 90 near Waelder, TX
- Navidad River near Morales, TX
- Colorado River (TX) at Columbus, TX
- Guadalupe River at Gonzales, TX
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (HTST2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.