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.