Great Miami River River Levels

Total streamflow across the Great Miami River was last observed at 105,599 cfs, and is expected to yield approximately 209,453 acre-ft of water today; about 240% of normal. River levels are high. Average streamflow for this time of year is 43,948 cfs, with recent peaks last observed on 2025-04-07 when daily discharge volume was observed at 288,830 cfs.

Maximum discharge along the river is currently at the Great Miami River At Hamilton Oh reporting a streamflow rate of 29,100 cfs. This is also the highest stage along the Great Miami River, with a gauge stage of 69.28 ft at this location. This river is monitored from 11 different streamgauging stations along the Great Miami River, the highest being situated at an altitude of 978 ft, the Great Miami River Bl Indian Lake At Russells Pt Oh.

The river played a significant role in the area's history, serving as a transportation route for Native Americans and European settlers. It flows through several major cities, including Dayton and Hamilton, before emptying into the Ohio River. The river's hydrology has been altered by several dams and reservoirs, including the Indian Lake Dam and the Taylorsville Dam. These structures were built to control flooding, provide water for irrigation, and generate hydroelectric power. The Great Miami River is also a popular recreational destination, offering opportunities for boating, fishing, and hiking. Many agricultural communities rely on the river for irrigation, and several conservation efforts have been implemented to protect the river's ecosystem.