Mattawamkeag River River Levels

Last Updated: December 4, 2025

The Mattawamkeag River flows 72 miles through Maine, beginning at the confluence of its east and west branches.


Summary

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 .

       
River Streamflow Levels
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
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

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.