River stage
Long Lake, Trinity River
- River level
- 4.71 ft
- Status
- Below flood stage
- 7-day change
- -7.06 ft
- Recent high
- 22.91 ft
- Recent low
- 3.34 ft
Last reported 2026-10-13 | NWS LOLT2
- 30-day change
- +1.32 ft
- Average
- 6.97 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 53.00 ft
In brief
The Trinity River at Long Lake, TX read 4.71 ft on Oct 13, 2026, 25.29 ft below action stage. That is 1.32 ft higher than 30 days earlier.
Source: National Weather Service gauge LOLT2
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 53.00 ft | 1890-05-01 |
| 2 | 52.20 ft | 1908-06-04 |
| 3 | 51.64 ft | 1942-04-29 |
| 4 | 51.64 ft | 1998-01-10 |
| 5 | 50.86 ft | 1945-04-03 |
| 6 | 49.61 ft | 1990-05-07 |
| 7 | 49.55 ft | 1991-12-24 |
| 8 | 48.97 ft | 1944-05-05 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 35.00 ft
Minor flooding of numerous ranches along the river is expected. Minor flooding of Coffield Prison farm and ranch lands near the river is to be expected.
- 37.00 ft
Minor flooding of the Coffield Prison agricultural land, and ranch and farm lands along the river, is expected.
- 40.00 ft
Moderate flooding of ranches along the river is expected. The coffield prison farm and ranch lands will be moderately flooded.
- 42.00 ft
Moderate flooding of numerous ranches along the river is expected. The Coffield Prison farm and ranch lands will be moderately flooded.
- 45.00 ft
Major flooding of ranches and farm lands along the river is expected. The Coffield Prison farm and ranch interests will be flooded.
- 45.60 ft
Major flooding of ranches and farm lands along the river is expected. The Coffield Prison farm and ranch lands will be well underwater.
- 48.00 ft
Major flooding of ranches, low areas, rural roads, and camps along the river will occur. Major flooding of the Coffield Prison farm and ranch lands is to be expected.
- 49.50 ft
Major flooding of ranches, low areas, rural roads, and camps along the river will occur. Major flooding of the Coffield Prison farm and ranch lands is expected.
- 49.60 ft
Major flooding of ranches, low areas, rural roads, and camps along the river is expected. The Coffield Prison farm and ranch land will be well underwater.
- 52.00 ft
Extreme flooding of ranches, low areas, rural roads, and camps along the river can be expected. The Coffield Pison farm and ranch land will be well underwater.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Trinity River flooding at Long Lake?
No. The Trinity River at Long Lake is at 4.71 ft, 25.29 ft below action stage.
What is the flood stage at Long Lake?
The National Weather Service sets action stage 30 ft, minor flooding 35 ft, moderate flooding 40 ft and major flooding 45 ft.
What is the highest the Trinity River has been at Long Lake?
The highest crest on record is 53.0 ft, on 1890-05-01.
Is the Trinity River high or low right now at Long Lake?
At 4.71 ft it is higher than 57% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge LOLT2); daily history from the U.S. Geological Survey (site 08065000). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.