Top Discharges

Streamgauges reporting the most discharge on the Ohio River



10 Day Trend

Discharge comparison for the highest gauges over the past 10 days



Expected Streamflow Ranges

Streamflow discharge range for this time of year

The Ohio River is a 981-mile (1,579 km) long river in the midwestern United States that flows southwesterly from western Pennsylvania south of Lake Erie to its mouth on the Mississippi River at the southern tip of Illinois. It is the second largest river by discharge volume in the United States and the largest tributary by volume of the north-south flowing Mississippi River that divides the eastern from western United States. The river flows through or along the border of six states, and its drainage basin includes parts of 15 states. Through its largest tributary, the Tennessee River, the basin ... Source: Wikipedia