Ohio River Basin Commission
Interstate water quantity oriented organization providing a forum for study and discussion of interstate water resources issues.
Ohio River Valley Water Sanitation Commission
Multi-state cooperative water quality improvement program. Includes online information about river conditions.
Ohio River Watch
Links to finding a towboat and getting updates of the Ohio including three day forecasts, local river stages, and water elevations.
The Ohio River System
The Ohio River begins at the confluence of the Allegheny and Monongahela rivers at the Point in Pittsburgh, Pa., and flows 981 miles to join the Mississippi at Cairo, Ill.