Lake Winnebago has two primary tributaries, the Wolf River and the Fox River.

The village is located near the source (springs) of the Weltinka river, a primary tributary of the Solinka river.

The primary tributary to Portage Lake is the Sturgeon River.

It is the primary tributary to form Somerville Lake.

The North Branch of the Patapsco River is the primary tributary that feeds the reservoir.

The primary tributaries of Kochechum are Embenchime, Tembenchi and Turu.

The large Amicalola Creek (which flows over Amicalola Falls) is a primary tributary near the beginning of the river.

Completed in 1964, the dam provides water storage and hydroelectric generation, as well as flood control on the Green River, the primary tributary to the Colorado.

Bell Creek, a primary tributary to the Los Angeles River, flows through the park with riparian zone vegetation along its natural banks.

As it later was discovered, the primary tributary of the Tugalo is the Chattooga River, which does originate in North Carolina.