Last Updated: December 4, 2025
Ohio's river systems are currently experiencing significant variances in streamflow, indicative of flow droughts in many areas and a general decrease in water levels. Streamflows across the state are substantially lower than normal, with the Maumee, Sandusky, Cuyahoga, and Scioto Rivers reporting flows -83.73%, -91.42%, -61.25%, and -88.98% of their typical values, respectively. Such low flows can impact not only water enthusiasts but also local ecosystems. For instance, the Maumee River at Waterville reports a flow of 473 cubic feet per second (cfs), which is -94.04% from its normal, paralleled by a minimal gage height of 1.98 feet. The Cuyahoga River at Independence shows a drop of 1.71 cfs in the last 24 hours, contributing to its already low flow status at 518 cfs, which is -49.83% of normal for this time of year. These conditions suggest a potential state-wide trend of diminished water resources that could affect recreational activities and habitat health.
On the other end of the spectrum, some areas are experiencing large streamflows, with the Ohio River at Ironton showing a substantial flow of 41,400 cfs, although this still represents a -33.57% deviation from normal. Its gage height of 34.63 feet also indicates a significant volume of water, which could signal flooding risks in surrounding regions, potentially impacting cities like Ironton and recreation spots along the river. Meanwhile, the Rocky Fork near Barretts Mills has undergone an extreme surge in flow, increasing by 2197.71% in the last 24 hours, reaching a streamflow of 301 cfs and a gage height of 3.35 feet, which could spell concerns for sudden flooding and swift water conditions for kayakers and anglers. River and water enthusiasts must remain vigilant and informed about these dynamic conditions, taking heed of local advisories for safety and the preservation of Ohio's waterways.
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.