Trinity River at Riverside

1. 140.00 ftMajor lowland flooding begins with widespread flooding in Trinity and Walker Counties. Water is in several homes in the Deep River Plantation and Green Rich Shores subdivisions. Roads into several subdivisions in Walker and Trinity Counties and secondary roads along the river are inundated.
2. 138.00 ftModerate lowland flooding continues with water 3 to 4 feet below the State Highway 19 Bridge and Plantation Drive near FM 230 is inundated. FM 2978 is flooded and impassable. Up to one foot of water is flowing over Thomas Lake Road which remains impassable. Several roads into the Green Rich Shores and Deep River Plantation subdivisions are covered with up to one foot of water and homes in Deep River Plantation are threatened.
3. 137.00 ftModerate lowland flooding continues as several homes in the Green Rich Shores Subdivision in Walker County flood and water covers Thomas Lake Road. The lowest buildings off FM 980 northwest of Riverside flood.
4. 136.80 ftModerate lowland flooding continues as the approaches to the FM 3478 bridge upstream of the gage are inundated and impassable. The lowest homes in the Green Rich Shores Subdivision are flooded with up to one half foot of water. Thomas Lake Road remains flooded and the lowest roads into properties off FM 980 northwest of Riverside are inundated and impassable.
5. 136.00 ftModerate lowland flooding begins in the vicinity of the gage. The lowest homes in the Green Rich Shores Subdivision are flooded and Thomas Lake Road is inundated and impassable. Low-lying roads in the Deep River Plantation Subdivision are inundated. The lowest roads into properties off FM 980 northwest of Riverside are inundated and the lowest buildings are threatened.
6. 135.00 ftMinor lowland flooding continues as significant backwater up Thomas Lake floods the lowest areas in the Green Rich Shore Subdivision in Walker County with the boat ramp completely inundated. The lowest lying areas in the Deep River Plantation Subdivision and FM 980 northwest of Riverside are threatened.
7. 134.00 ftMinor lowland flooding continues with the boat ramp in the Deep River Plantation Subdivision in Walker County inundated. Backwater flooding up Thomas Lake in Walker County floods the boat ramp in the Green Rich Shores Subdivision in Walker County.
8. 133.50 ftMinor lowland flooding begins in the vicinity of the gage with water in the Green Rich Shores subdivision. Backwater flooding up Wright's Creek impacts Plantation Drive in the Deep River Plantation subdivision.
9. 132.00 ftBankfull stage. Water begins to overflow the main channel in the vicinity of the gage.

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

• July 26, 2024: 133.98 ft
• June 15, 2024: 137.67 ft
• May 5, 2024: 140.40 ft
• April 17, 2024: 134.10 ft
• July 15, 2021: 133.78 ft
• June 9, 2021: 136.46 ft
• January 9, 2021: 133.72 ft
• February 22, 2020: 133.54 ft
• June 19, 2019: 134.95 ft
• May 25, 2019: 136.83 ft

• UpstreamTrinity River at Crockett
• DownstreamTrinity River at Lake Livingston
• Nelson Creek
• Gail Creek
• Larrison Creek
• Bedias Creek at Madisonville
• Long King Creek at Livingston
• Caney Creek
• Big Creek

Forecasts by the West Gulf River Forecast Center. Forecasts are issued routinely year-round. 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.