Bayou Mallet at Hwy 91 north of Iota water level
River gauge, Bayou Mallet, Louisiana, United States
Right now
Very low for late October
Water level
History
20252026
What this means
Bayou Mallet at Hwy 91 north of Iota is running far below normal at 1.81 ft.
The median for late October is 2.61 ft, based on 5 years of readings, so the river stage is 0.80 ft below typical. It is 10.19 ft below the flood stage of 12.00 ft. On the same day last year the reading was 2.33 ft, a difference of −0.52 ft.
It has risen 0.07 ft over the past 24 hours. In the last month it has stayed between 1.74 ft and 2.83 ft.
Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that.
Compared with 5 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 2.61 ft0.80 ft below the median for this date
- Normal for this date
- 2.14 ft – 3.13 ft8 years in 10 fall in this range (5 years of records)
- Same day last year
- 2.33 ft−0.52 ft
- Lowest and highest in 30 days
- 1.74 ft – 2.83 ft
- Lowest and highest in 12 months
- 1.58 ft – 14.78 ft
Floating and fishing near Bayou Mallet at Hwy 91 north of Iota
Low water exposes gravel bars that make good wading access, but some boat ramps may be left high and dry.
Flood stage here is 12.00 ft, 10.19 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.
Weather at the gauge
No rain in the last 3 days.
Forecast: Open-Meteo
Map
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Bayou Des Cannes west of IotaRiver gauge | 11.21 ft | Below flood stage | +0.01 ft | 5.0 mi |
| Bayou Des Cannes near EuniceRiver gauge, Bayou Des Cannes | 0.06 ft | Very low | −0.02 ft | 6.1 mi |
| Bayou Nezpique near BasileRiver gauge, Bayou Nezpique | 1.66 ft | Low | −0.07 ft | 10 mi |
| Bayou Plaquemine Brule @ EsterwoodRiver gauge | 7.53 ft | Below flood stage | −0.01 ft | 14 mi |
| Mermentau River At MermentauRiver gauge | 1.95 ft | Normal | −0.03 ft | 15 mi |
| Bayou Queue De Tortue @ RicevilleRiver gauge | 4.75 ft | Below flood stage | ±0 | 22 mi |
| Calcasieu River near OberlinRiver gauge, Calcasieu River | 1.02 ft | Very low | −0.01 ft | 25 mi |
| Calcasieu River near KinderRiver gauge, Calcasieu River | 1.46 ft | Very low | −0.02 ft | 26 mi |
Questions and answers
Is Bayou Mallet at Hwy 91 north of Iota higher than last year?
No, it is 0.52 ft lower than on the same day last year, when the reading was 2.33 ft.
What is flood stage for Bayou Mallet at Hwy 91 north of Iota?
The official flood stage is 12.00 ft. The level is currently 10.19 ft below it.
What is a normal level for Bayou Mallet at Hwy 91 north of Iota in late October?
The median for late October is 2.61 ft. In 8 years out of 10 the reading falls between 2.14 ft and 3.13 ft, based on 5 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 Bayou Mallet at Hwy 91 north of Iota today?
On Oct 21, 2026, 02:00 AM CDT, the water level was 1.81 ft. Up 0.07 ft over the last 24 hours.
Is Bayou Mallet at Hwy 91 north of Iota rising or falling?
Up 0.07 ft over the last 24 hours. Down 0.18 ft over the last 7 days.
Is the level of Bayou Mallet at Hwy 91 north of Iota normal?
Very low for late October. Compared with 5 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:08010120(Agency page)- Coordinates
30.39444, -92.49769(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 | 1.81 ft | 2026-10-21 07:00 | Provisional |
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How to cite
U.S. Geological Survey: Bayou Mallet at Hwy 91 north of Iota (usgs:08010120). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/louisiana/bayou-mallet-at-hwy-91-north-of-iota
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