Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Castor River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Castor River, the highest being situated at an altitude of ft, the .
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Castor River At Zalma
USGS 07021000 |
323 cfs | 2.82 ft | -7.71 |
The Castor River is a river in eastern Ontario, in Canada. It flows into the South Nation River near Casselman. It has a number of branches, including the North, Middle, South and East Castor Rivers which join in Embrun. The river was named for the many beaver dams found in its watershed; "castor" means "beaver" in French.