Watonwan River River Levels

Last Updated: December 4, 2025

The Watonwan River is a 109-mile-long river that runs through south-central Minnesota.


Summary

Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Watonwan River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Watonwan 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
Watonwan River Near Garden City
USGS 05319500
82 cfs 0.96 ft 65.93
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Watonwan River is a tributary of the Blue Earth River, 113 miles (182 km) long, in southern Minnesota in the United States. Via the Blue Earth and Minnesota rivers, it is part of the watershed of the Mississippi River, draining an area of 878 square miles (2,270 km2) in an agricultural region. The Watonwan drains about a quarter of the Blue Earth River's watershed.The river was the site of the capture of Bob, Cole and Jim Younger (members of the James–Younger Gang) near Madelia in 1876.