Norwalk River River Levels

Last Updated: December 5, 2025

The Norwalk River is a 23-mile-long river in southwestern Connecticut that flows from its source in Ridgefield to its mouth in Norwalk.


Summary

Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Norwalk River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Norwalk River, the highest being situated at an altitude of ft, the .

       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Norwalk R At South Wilton
USGS 01209700
23 cfs 1.37 ft -20.14
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Norwalk River is a river in southwestern Connecticut, approximately 21 miles (34 km) long. The word "Norwalk" comes from the Algonquian word "noyank" meaning "point of land".