Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Mattawamkeag River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Mattawamkeag 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 |
|---|---|---|---|---|---|---|---|---|
|
Mattawamkeag River Near Mattawamkeag
USGS 01030500 |
1130 cfs | 6.05 ft | 5.61 |
The Mattawamkeag River is a river in Maine. From the confluence of its East Branch and West Branch (45°50′00″N 67°59′27″W) in Haynesville, about 10 miles (16 km) west of the Canada–United States border, the river runs 50.6 miles (81.4 km) south and west to its mouth on the Penobscot River in Mattawamkeag.