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

The Alsea River is a 51-mile-long river in western Oregon that flows into the Pacific Ocean near Waldport. The river has been historically significant to Native American tribes, who relied on the abundant salmon runs for sustenance. In the early 20th century, logging and agriculture became major industries in the Alsea River watershed, leading to significant environmental degradation. Today, the river supports recreational activities such as fishing, kayaking, and hiking. The Alsea River is home to several reservoirs, including the Alsea Falls Dam and Reservoir, which provides hydroelectric power and drinking water to the city of Corvallis. The river also supports agricultural activities, with ranches and farms located throughout the watershed. However, conservation efforts are ongoing to restore the river's health and protect its diverse ecosystems.