Lavaca River at Hallettsville

1. 41.00 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.
2. 38.00 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.
3. 35.00 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.
4. 33.00 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.
5. 30.00 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.
6. 29.00 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.
7. 28.00 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.
8. 27.00 ftMinor lowland flooding begins in the vicinity of the gage as water escapes the main channel and inundates the floodplain.

Chance of flooding, September to November

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.

Most recent crests

• August 28, 2017: 25.30 ft
• June 10, 2004: 20.66 ft
• November 5, 2002: 20.83 ft
• October 18, 1998: 28.53 ft
• April 11, 1997: 28.25 ft
• October 18, 1994: 22.64 ft
• June 2, 1992: 23.85 ft
• June 4, 1987: 27.11 ft
• May 21, 1983: 22.67 ft
• May 13, 1982: 32.16 ft

• UpstreamLavaca River at Breslau
• DownstreamLavaca River at Edna
• Navidad River at Sublime
• Lavaca River at Komensky
• Navidad River at Speaks
• Peach Creek at Dilworth
• Guadalupe River at Hwy 183 near Hochheim
• Peach Creek at Hwy 90 near Waelder
• Navidad River at Morales

Forecasts by the West Gulf River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. 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.

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.