StormCast — Weather & Emergency Alerts

Bayou Mallet at HWY 91 north of Iota
Louisiana — Water Level & Flood Stage

Located in Acadia County, Louisiana on the Bayou Mallet. Live water level data from USGS gauge 08010120, updated every 15 minutes.

Current Water Level

Gage Height

Loading...

Streamflow

Loading...

Last Reading

Loading...

Flood Stages

Major Flood

21 ft

Moderate Flood

17 ft

Minor Flood

12 ft

Action Stage

11 ft

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

Low-Water Impacts

5 ft

Stage needed to inundate designated Gulf Sturgeon critical habitat below Jim Woodruff Lock and Dam.

3 ft

Temporary (not sustainable) operating level for of Scholz Power Plant

What happens as water levels drop, per the National Weather Service.

7-Day Water Level Chart

Loading chart data...

View Official NWS Hydrograph →

About This Gauge

USGS Site

08010120

NWS LID

BMIL1

River

Bayou Mallet

County

Acadia, LA

Coordinates

30.3944°N, 92.4977°W

Get Flood Alerts for Bayou Mallet

StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.

Get it on Google Play

Frequently Asked Questions

What is the current water level of Bayou Mallet at HWY 91 north of Iota?

The Bayou Mallet at HWY 91 north of Iota gauge is maintained by USGS (site 08010120) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.

What is flood stage for Bayou Mallet at HWY 91 north of Iota?

The NWS-defined flood stage for Bayou Mallet at HWY 91 north of Iota is 12 feet. Action stage begins at 11 feet. Moderate flooding starts at 17 feet, and major flooding at 21 feet.

How do I get alerts when Bayou Mallet rises?

Download StormCast free on Google Play, go to River Gauges, and add Bayou Mallet at HWY 91 north of Iota to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.

Where is the Bayou Mallet at HWY 91 north of Iota gauge located?

The gauge is located in Acadia County, Louisiana at coordinates 30.3944°N, 92.4977°W. USGS site number: 08010120. Data is provided by the U.S. Geological Survey and the National Weather Service.

More Resources

Source & Notes

Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey