Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Swimming River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Swimming River, the highest being situated at an altitude of ft, the .

The Swimming River is a small river that flows through Monmouth County, New Jersey. The river is approximately 16 miles long and its source is at the Manasquan Reservoir, while its mouth is at the Swimming River Reservoir. The river's hydrology is characterized by a steady flow of water, with the highest peak flow occurring in the spring months. The river is home to several reservoirs, including the Manasquan and Swimming River Reservoirs. These reservoirs are used for drinking water, irrigation, and recreation purposes. Additionally, the river is surrounded by farmland and is used for agricultural purposes. The river has played an important role in the history of Monmouth County, as it was used for transportation and as a source of power for mills in the 18th and 19th centuries. Today, the Swimming River is a popular destination for fishing, kayaking, and hiking.