Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Shepaug River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Shepaug 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 |
|---|---|---|---|---|---|---|---|---|
|
Shepaug River At Peters Dam At Woodville
USGS 01202501 |
6 cfs | 1.04 ft | -4.72 |
It was designated as a Wild and Scenic River in 1994 due to its historical and ecological significance. The river begins in Warren and flows through several towns before joining the Housatonic River in Southbury. Its hydrology is influenced by four reservoirs: the Shepaug Dam, Housatonic River Dam, Lake Lillinonah, and Lake Zoar. These reservoirs also provide hydroelectric power to the region. The Shepaug River has a rich agricultural history, with many farms located along its banks. It is also popular for recreational activities such as fishing, kayaking, and hiking along the river's scenic trails.