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

The Siletz River is located in western Oregon and runs approximately 70 miles from its source in the Coast Range Mountains to the Pacific Ocean. Historically, the river was home to the Siletz tribe of Native Americans, who relied on the river for fishing and other resources. Today, the river supports a variety of recreational activities, including fishing, camping, and kayaking. It also plays an important role in agricultural production in the region. The river is dammed by a number of reservoirs, including the Green Peter Dam and the Foster Dam, which are used for hydroelectric power generation and flood control. Despite the presence of these dams, the Siletz River remains an important resource for both people and wildlife in the region.