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

The Galien River is a 30-mile-long river located in southwestern Michigan. It begins in La Porte County, Indiana, and flows through Berrien County, Michigan, before emptying into Lake Michigan. The river played an important role in the logging industry during the 19th century. The Galien River Watershed Conservation Plan was developed to protect the river's water quality and habitat. The hydrology of the river is influenced by urbanization and agricultural practices in the watershed. The river has several small dams and reservoirs, including the Madron Lake Dam, which was recently replaced due to safety concerns. The Galien River is a popular spot for fishing, kayaking, and nature viewing. It also serves as a source of irrigation for agriculture in the region.