Maximum discharge along the river is currently at the Mississinewa River At Marion reporting a streamflow rate of 40.1 cfs. However, the streamgauge with the highest stage along the river is the Mississinewa River Near Ridgeville with a gauge stage of 5.43 ft. This river is monitored from 2 different streamgauging stations along the Mississinewa River, the highest being situated at an altitude of 972 ft, the Mississinewa River Near Ridgeville.

The Mississinewa River is a tributary of the Wabash River, and it is located in northeastern Indiana. The river spans approximately 90 miles and has a drainage area of over 2,000 square miles. The Mississinewa River has a rich history that dates back to the Native American populations that lived in the area before European settlement. The river was an important resource for transportation and trade for these communities. Today, the river serves a variety of functions, including agricultural irrigation and recreation. The river also has several reservoirs and dams, including the Mississinewa Reservoir, which was created by the construction of the Mississinewa Dam in 1967. The reservoir provides flood control and recreational opportunities, such as boating, fishing, and camping.