CONNECTICUT FLOW REPORT

Last Updated: May 9, 2026

Streamflow levels across Connecticut are currently 46.0% of normal, with the Connecticut River At Thompsonville reporting the highest discharge in the state with 21000cfs and gauge stage of 9.9 ft. Meanwhile, the Connecticut R At Middle Haddam is seeing a spike in streamflows today after experiencing a 130.92% increase since yesterday, and currently running at 12100cfs.

Maximum gauge stage in the state was last observed at the Connecticut River At Thompsonville, currently reporting a stage of 9.9ft. The Housatonic River At Gaylordsville in the Housatonic watershed is surging for this time of year at 1550cfs, about -36.75% of normal.