Total streamflow across the Niangua River was last observed at 1,354 cfs, and is expected to yield approximately 2,686 acre-ft of water today; about 89% of normal. Average streamflow for this time of year is 1,515 cfs, with recent peaks last observed on 2015-12-27 when daily discharge volume was observed at 85,000 cfs.

Maximum discharge along the river is currently at the Niangua River At Tunnel Dam Near Macks Creek reporting a streamflow rate of 965 cfs. This is also the highest stage along the Niangua River, with a gauge stage of 2.84 ft at this location. This river is monitored from 2 different streamgauging stations along the Niangua River, the highest being situated at an altitude of 915 ft, the Niangua River At Windyville.

The Niangua River is a tributary of the Osage River located in central Missouri, USA. Stretching for 125 miles, the river has a rich history dating back to the Osage Native Americans who once inhabited the area. The Niangua River is fed by numerous springs and has a steady flow rate, making it popular for recreational activities such as fishing, swimming, and canoeing. The river also has several popular reservoirs and dams, including the Lake of the Ozarks and the Harry S. Truman Dam, which provide hydroelectric power and regulate the river's flow. Additionally, the river is used for agricultural purposes, with many farmers irrigating their crops from its waters. The Niangua River is an important resource for the surrounding communities and is a popular destination for outdoor enthusiasts.