Subbasin 8 is the upper West Branch of the Susquehanna River and is the westernmost portion of the drainage. It ends at the confluence of Sinnemahoning Creek with the West Branch.
Sinnemahoning Creek – Bennett Branch
Sinnemahoning Creek – Driftwood Branch
Sinnemahoning Creek – First Fork
West Branch Subbasin 8 studies
Subbasin 9 is the central West Branch of the Susquehanna River. This subbasin extends from the confluence of Sinnemahoning Creek to the confluence with Pine Creek in Lycoming County.
Little Fishing Creek
Young Womans Creek
Little Pine Creek
Subbasin 10 is the lower West Branch of the Susquehanna River and is the easternmost portion of the drainage. This subbasin extends from the confluence with Pine Creek to the confluence with the main stem of the Susquehanna River near Sunbury.
Little Loyalsock Creek
Little Muncy Creek
White Deer Creek
White Deer Hole Creek