Is the Mermentau River flooding?
The Mermentau River is tracked by 2 USGS streamgauges in Louisiana. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the Mermentau River is running normal, rising toward flood stage, or already flooding. 1 of 2 gauges have both a usable water-level reading and a published minor flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all Louisiana river levels.
River facts
The longest-running gauge on this river is Mermentau River At Mermentau, LA. The highest level ever recorded there was 10.68 ft on 18 August 2016, carrying 40,400 cfs. Peak records there go back to 1940 (81 annual peaks). It is currently at 2.04 ft, 8.6 ft below that record.
| Gauge | Status | Stage | Flood stage | Updated |
|---|---|---|---|---|
| Mermentau River At Mermentau, LA | No flooding | 2.04 ft | 4 ft | |
| Mermentau River @ Lake Arthur, LA | No flood stage defined | 22.36 ft | — |