MAINE FLOW REPORT

Last Updated: May 9, 2026

Streamflow levels across Maine are currently 92.0% of normal, with the St. John River Below Fish R reporting the highest discharge in the state with 38800cfs and gauge stage of 12.44 ft. Meanwhile, the Mattawamkeag River Near Mattawamkeag is seeing a spike in streamflows today after experiencing a 20.3% increase since yesterday, and currently running at 8890cfs.

Maximum gauge stage in the state was last observed at the St. John River Below Fish R, currently reporting a stage of 12.44ft. The Kenduskeag Stream Near Bangor in the Lower Penobscot watershed is surging for this time of year at 915cfs, about 163.51% of normal.