Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Fivemile River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Fivemile 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 |
|---|---|---|---|---|---|---|---|---|
|
Fivemile River Near New Canaan
USGS 01209761 |
0 cfs | 1.85 ft | -86.9 |
The river has a rich history, having been used by Native American tribes for fishing and transportation before being settled by Europeans in the 17th century. Today, the Five Mile River watershed is home to several reservoirs and dams, including the Grumman Hill Reservoir and the Silvermine Dam. These reservoirs serve as major sources of drinking water for nearby communities. The river also supports recreational activities such as fishing and boating, as well as agricultural uses such as irrigation for local farms. Despite ongoing pollution concerns, efforts are being made to restore and protect the river's ecosystem.