Aroostook River River Levels

Last Updated: January 23, 2026

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



15-Day Weather Outlook


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 5.11 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 5.11 ft -9.54
Aroostook River At Washburn
USGS 01017000
1520 cfs 4.25 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.