OHIO FLOW REPORT

Last Updated: December 22, 2025

Streamflow levels across Ohio are currently 101.0% of normal, with the Ohio River At Ironton reporting the highest discharge in the state with 107000cfs and gauge stage of 34.62 ft. Meanwhile, the Olentangy River Near Worthington Oh is seeing a spike in streamflows today after experiencing a 71.75% increase since yesterday, and currently running at 1240cfs.

Maximum gauge stage in the state was last observed at the Olentangy River At J H Herrick Dr At Columbus Oh, currently reporting a stage of 712.57ft. The Sandusky River At Tiffin Oh in the Sandusky watershed is surging for this time of year at 1710cfs, about 343.03% of normal.

       



Ohio's hydrology is influenced by its location in the midwestern United States, experiencing a humid continental climate. Major surface waters include Lake Erie and the Ohio River, which flows through the state and serves as a border with neighboring Kentucky and West Virginia. Other major rivers and tributaries include the Muskingum River, the Cuyahoga River, and the Maumee River. The state's hydrology is impacted by numerous reservoirs and dams, including the Hoover Reservoir and the Grand Lake St. Marys. Snowpack and watershed data are also relevant in Ohio's hydrology, with the state experiencing frequent snowfall in the winter months and a variety of watersheds throughout the state.