MAINE FLOW REPORT

Last Updated: April 19, 2026

Streamflow levels across Maine are currently 117.0% of normal, with the St. John River Below Fish R reporting the highest discharge in the state with 87100cfs and gauge stage of 18.59 ft. Meanwhile, the Cobbosseecontee Stream At Gardiner is seeing a spike in streamflows today after experiencing a 97.17% increase since yesterday, and currently running at 418cfs.

Maximum gauge stage in the state was last observed at the St. John River Below Fish R, currently reporting a stage of 18.59ft. The Big Black River Near Depot Mtn in the Upper St. John watershed is surging for this time of year at 3940cfs, about 148.7% of normal.