Top Discharges

Streamgauges reporting the most discharge on the Mermentau River

10 Day Trend

Discharge comparison for the highest gauges over the past 10 days

Expected Streamflow Ranges

Streamflow discharge range for this time of year

The Mermentau River (French: Rivière Mermentau) is a 72.3-mile-long (116.4 km) river in southern Louisiana in the United States. It enters the Gulf of Mexico between Calcasieu Lake and Vermilion Bay on the Chenier Coastal Plain.The Mermentau River supplies freshwater for the Mermentau Basin. The Chenier Basin is located between the Mermentau Basin and the Gulf of Mexico, and is unique in that it no longer contains any true estuarine Gulf habitat, although historically the basin served as a productive estuarine nursery ground. Freshwater inflow is from the Catfish Point control structure. Presently, several large freshwater lakes (Grand Lake, White ... Source: Wikipedia