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

The Warner River is a 22-mile-long river in New Hampshire that flows into the Contoocook River. It has a rich history dating back to the 1700s when it was a vital transportation route for settlers and loggers. Today, the river is primarily used for recreation and agriculture. There are several dams and reservoirs along the river, including the Waterloo Dam and the Pillsbury State Park Reservoir. These reservoirs provide hydroelectric power, as well as recreational opportunities such as fishing and boating. The river also supports agriculture in the surrounding area, with several farms using its water for irrigation. The Warner River is an important ecological resource, providing habitat for a variety of fish species and other wildlife.