Streamflow discharge was last observed at 354 cfs, and a gauge height of 5.81 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 351 .
Weather today, Tomorrow,
The river is fed by various tributaries including the Leaf River and the Bois de Sioux River. The river is also impacted by dams, including the Orwell Dam and the Wilkin Dam. The flow of the river tends to be highest in the spring due to snowmelt and lower in the summer and fall. The hydrology of the river is unique in that it serves as a habitat for a variety of wildlife, including otters, which inspired the river's name.
| Elevation | 1,272.0 ft |
| Last Updated | |
| Gage height, ft | 5.81 ft |
| Stream water level elevation above NAVD 1988, in ft | 1261.47 ft |
| Streamflow, ft³/s | 354.0 ft3/s |
| Percent of Normal | 70% |
| Year Over Year Average | 510 cfs |
| 24hr Flow Prediction | cfs |
| Maximum Recorded | 1,360 cfs |