RIVER GAUGE · ATCHAFALAYA RIVER
Atchafalaya River at Simmesport
Avoyelles County, Louisiana
Water level6.57 ft
Flow102,000 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action35 ft
Minor flood40 ft
Moderate flood44 ft
Major flood50 ft
The past week
Loading chart…
What floods at each level
- 61 ft
The river level is at the net grade protection of the levee system
- 60 ft
The river is at the lowest height of the back ring protection levee around the city of Simmesport
- 43 ft
The river stage is at the natural ground elevation of areas protected by the levee system
- 40 ft
There will be flooding of areas inside the levees of the Atchafalaya floodway. Considerable flooding in the backwater storage area in Avoyelles Parish.
- 35 ft
Backwater flooding of unprotected areas above Simmesport will begin
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| May 15, 1927 | 59.13 ft | — |
| May 15, 1922 | 57.33 ft | — |
| Apr 29, 1945 | 57.14 ft | — |
More on Atchafalaya River
DownstreamAtchafalaya River at Melville
Get an alert when Atchafalaya 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.
