Aroostook River River Levels

Last Updated: December 4, 2025

The Aroostook River, located in Maine, is approximately 110 miles long and flows into the St.


Summary

Total streamflow across the Aroostook River was last observed at 2,345 cfs, and is expected to yield approximately 4,651 acre-ft of water today; about 64% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 3,670 cfs, with recent peaks last observed on 2018-04-28 when daily discharge volume was observed at 63,100 cfs.

Maximum discharge along the river is currently at the Aroostook River At Washburn reporting a streamflow rate of 1,520 cfs. However, the streamgauge with the highest stage along the river is the Aroostook River Near Masardis with a gauge stage of 6.74 ft. This river is monitored from 2 different streamgauging stations along the Aroostook River, the highest being situated at an altitude of 542 ft, the Aroostook River Near Masardis.

River Details

Last Updated 2025-11-21
Discharge Volume 4,651 ACRE-FT
Streamflow 2,345.0 cfs
-307.0 cfs (-11.58%)
Percent of Normal 63.9%
Maximum 63,100.0 cfs
2018-04-28
Seasonal Avg 3,670 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Aroostook River Near Masardis
USGS 01015800
825 cfs 6.74 ft -9.54
Aroostook River At Washburn
USGS 01017000
1520 cfs 2.38 ft -12.64
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Aroostook River is a 112-mile-long (180 km) tributary of the Saint John River in the U.S. state of Maine and the Canadian province of New Brunswick. Its basin is the largest sub-drainage of the Saint John River.