RIVER GAUGE · EAST FORK TRINITY RIVER
East Fork Trinity River at McKinney
Collin County, Texas
Water level1.51 ft
Flow2 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action14 ft
Minor flood16 ft
Moderate flood20 ft
Major flood23 ft
The past week
Loading chart…
What floods at each level
- 25 ft
Major out of bank flooding is expected. Flood waters will overflow the road. Major flooding will occur to agricultural land and rural roads in area.
- 23 ft
Major flooding is expected near the gauge with farm and ranch land flooded along the river.
- 22 ft
Moderate out of bank flooding will occurr near the river. Farm and ranch land will flood.
- 20 ft
Moderate out of bank flooding will occur along the river. Farm and ranch land will flood, along with a few rural roads.
- 16 ft
Minor out of bank flooding will begin along the river.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Mar 31, 1942 | 28 ft | — |
| May 12, 1982 | 22.17 ft | 61,800 cfs |
| May 2, 1990 | 21.35 ft | 31,000 cfs |
More on East Fork Trinity River
DownstreamNorth Texas Lakes at Lake Lavon ↗
Get an alert when East Fork Trinity River rises
Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.

