Radial gates control how much water is released and massive  concrete blocks at the bottom of the chute, called dentates, disperse the flow to reduce erosion as  it crashes into the Feather River.

径向闸门控制释放的水量，滑槽底部的巨大混凝土块（称为齿状）可以分散水流，以减少水流流入羽毛河时的侵蚀。