North Carolina Department of Environment and Natural Resources
Division of Water Resources
Instream Flow Unit

Hydropower Dam Relicensing

Gaston and Roanoke Rapids Project (FERC Project Number 2009)




Roanoke River, below Hwy. 48, Instream Flow Study
(July, October, November, 1999)


U.S. Geological Survey staff collecting flow measurement (81kb)
U.S. Geological Survey staff collecting flow measurement with ADCP (Acoustic Dopler Current Profiler) (10/1999)



Roanoke River instream flow study in bypassed reach below Roanoke Dam
( March, April, October, 1996; September, 1998)

Transect 4, HP58 at 0 cfs release (kb) Transect 4, HP58 at 100 cfs release (kb) Transect 4, HP58 at 300 cfs release (kb) Transect 4, HP58 at 500 cfs release (kb) Transect 4, HP58 at 1000 cfs release (kb)
Transect 4, HP58 at 0 cfs release (3/1996) Transect 4, HP58 at 100 cfs release (3/1996) Transect 4, HP58 at 300 cfs release (3/1996) Transect 4, HP58 at 500 cfs release (4/1996) Transect 4, HP58 at 1000 cfs release (10/1996)
Roanoke Dam at 100 cfs release (kb) Roanoke Dam at 300 cfs release (kb) Roanoke Dam at 500 cfs release (kb) Roanoke Dam at 1000 cfs release (kb)
Roanoke Dam at 100 cfs release (3/1996) Roanoke Dam at 300 cfs release (3/1996) Roanoke Dam at 500 cfs release (4/1996) Roanoke Dam at 1000 cfs release (10/1996)
Bypassed reach powerline crossing near dam, 100 cfs (kb) Bypassed reach powerline crossing near dam, 300 cfs (kb) Bypassed reach powerline crossing near dam, 500 cfs (kb) Bypassed reach powerline crossing near dam, 1000 cfs (kb)
Bypassed reach powerline crossing near dam, 100 cfs (3/1996) Bypassed reach powerline crossing near dam, 300 cfs (3/1996) Bypassed reach powerline crossing near dam, 500 cfs (4/1996) Bypassed reach powerline crossing near dam, 1000 cfs (10/1996)



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