Trinity River at Riverside water level

Name: Trinity River at Riverside water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Trinity River, Texas, United States

Directions

Low for mid-October

Water level

128.98ft Up 0.05 ft over the last 24 hours

Measured Oct 18, 2026, 04:30 AM CDT (1 hour ago)

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %) Forecast Minor flood stage

The forecast expects the river to rise to 129.10 ft by Sunday, October 18 at 01:00 AM. Issued Saturday, October 17 at 08:47 AM by NOAA National Weather Service.

What this means

The Trinity River at Riverside is running below normal at 128.98 ft.

The median for mid-October is 130.32 ft, based on 18 years of readings, so the river stage is 1.34 ft below typical. It is 4.52 ft below the flood stage of 133.50 ft. On the same day last year the reading was 129.51 ft, a difference of −0.53 ft.

It has risen 0.05 ft over the past 24 hours. The forecast expects the river to rise to 129.10 ft by Sunday, October 18 at 01:00 AM. In the last month it has stayed between 128.55 ft and 130.25 ft.

Compared with 18 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 130.32 ft1.34 ft below the median for this date
Normal for this date: 127.78 ft – 132.85 ft8 years in 10 fall in this range (18 years of records)
Same day last year: 129.51 ft−0.53 ft
Lowest and highest in 30 days: 128.55 ft – 130.25 ft
Lowest and highest in 12 months: 128.55 ft – 133.14 ft
Highest on record: 142.61 ftMay 5, 1942
Forecast peak: 129.10 ftSunday, October 18 at 01:00 AM

Floating and fishing near Trinity River at Riverside

Low water exposes gravel bars that make good wading access, but some boat ramps may be left high and dry.

Flood stage here is 133.50 ft, 4.52 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

140.00 ft: Major 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.
138.00 ft: Moderate 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.
137.00 ft: Moderate 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.
136.80 ft: Moderate 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.
136.00 ft: Moderate 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.
135.00 ft: Minor 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.
134.00 ft: Minor 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.
133.50 ft: Minor 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.
132.00 ft: Bankfull stage. Water begins to overflow the main channel in the vicinity of the gage.
128.98 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Chance of at least minor flooding in October to December: 19 %.

Rank	Level	Date
1	142.61 ft	May 5, 1942
2	141.69 ft	April 9, 1945
3	140.40 ft	May 5, 2024
4	139.61 ft	May 4, 1957
5	139.56 ft	June 11, 1908
6	138.93 ft	October 18, 2018
7	138.12 ft	June 6, 2015
8	137.67 ft	July 18, 2007
9	137.67 ft	June 15, 2024
10	137.66 ft	August 29, 2017

Weather at the gauge

Rain in the last 3 days: 0.06 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 70° 46° – Wind 12 mph

18 Sun 75° 46° – Wind 7 mph

19 Mon 79° 48° – Wind 10 mph

20 Tue 82° 52° – Wind 6 mph

21 Wed 85° 56° – Wind 5 mph

22 Thu 87° 57° – Wind 4 mph

23 Fri 87° 58° – Wind 7 mph

Forecast: Open-Meteo

Sunrise 07:27 AM Sunset 06:48 PM Daylight 11 hr, 21 min First quarter 49%

Map

Other gauges on the Trinity River

Gauge	Level	Compared with normal	24 hours	Distance
Trinity River at TrinidadRiver gauge, Trinity River	7.55 ft	High	+0.07 ft	98 mi
Trinity River at Hwy 287 near CayugaRiver gauge, Trinity River	30.38 ft	No reference yet	±0	86 mi
Trinity River near OakwoodRiver gauge, Trinity River	3.86 ft	Very low	−0.13 ft	59 mi
Trinity River near CrockettRiver gauge, Trinity River	2.34 ft	Very low	−0.16 ft	36 mi
Trinity River near MidwayRiver gauge, Trinity River	129.19 ft	No reference yet	+0.04 ft	23 mi
Trinity River at FM 3478 near TrinityRiver gauge, Trinity River	128.91 ft	No reference yet	+0.06 ft	9 mi
Trinity River near GoodrichRiver gauge, Trinity River	4.53 ft	Low	+0.01 ft	33 mi
Trinity River at RomayorRiver gauge, Trinity River	10.46 ft	Very low	±0	44 mi
Trinity River at LibertyRiver gauge, Trinity River	6.66 ft	Normal	−0.13 ft	65 mi
Trinity River near Moss BluffTidal gauge, Trinity River	2.67 ft	Low	−0.17 ft	74 mi
Trinity River at IH 10 near WallisvilleTidal gauge, Trinity River	2.49 ft	No reference yet	−0.15 ft	80 mi
Trinity River at WallisvilleTidal gauge, Trinity River	1.67 ft	No reference yet	−1.10 ft	83 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Nelson Creek at FM 247 near HuntsvilleRiver gauge, Nelson Creek	182.06 ft	Very low	−0.01 ft	12 mi
Kickapoo Creek at OnalaskaRiver gauge, Kickapoo Creek	0.4 cfs	Low	±0	19 mi
Gail Creek at FM 1280 near LoveladyRiver gauge, Gail Creek	183.12 ft	Below flood stage	−0.04 ft	19 mi
Larrison Creek at FM 1428 near MidwayRiver gauge, Larrison Creek	157.03 ft	Very low	±0	20 mi
W Fk San Jacinto River near HuntsvilleRiver gauge, W Fk San Jacinto River	217.66 ft	Low	−0.05 ft	22 mi
Bedias Creek near MadisonvilleRiver gauge, Bedias Creek	1.77 ft	Low	−0.01 ft	23 mi
E Fk San Jacinto River at SH 150 near ColdspringRiver gauge, E Fk San Jacinto River	193.63 ft	Very low	±0	24 mi
Livingston Reservoir near GoodrichReservoir, Livingston Reservoir	129.43 ft	Normal	−0.12 ft	28 mi

Questions and answers

Is the Trinity River at Riverside higher than last year?

No, it is 0.53 ft lower than on the same day last year, when the reading was 129.51 ft.

What is flood stage for the Trinity River at Riverside?

The official flood stage is 133.50 ft. The level is currently 4.52 ft below it.

What is a normal level for the Trinity River at Riverside in mid-October?

The median for mid-October is 130.32 ft. In 8 years out of 10 the reading falls between 127.78 ft and 132.85 ft, based on 18 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Trinity River at Riverside today?

On Oct 18, 2026, 04:30 AM CDT, the water level was 128.98 ft. Up 0.05 ft over the last 24 hours.

Is Trinity River at Riverside rising or falling?

Up 0.05 ft over the last 24 hours. Down 0.34 ft over the last 7 days.

Is the level of Trinity River at Riverside normal?

Low for mid-October. Compared with 18 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:08066000 (Agency page)
Coordinates: 30.85936, -95.39883 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	128.98 ft	2026-10-18 09:30	Provisional

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How to cite

U.S. Geological Survey: Trinity River at Riverside (usgs:08066000). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/trinity-river-at-riverside

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer