You can access the information your looking for by searching outflow rates at Kinzua. We both know the flow rates change overnight so updated info can be important. I have floated and jet boated the Allegheny from Tionesta to Kennerdel and know of only two places that could give novice floaters a problem. That would be at Oil City and down river at Reno. Both places can be walked if need be.
The outflow of Kinzua is regulated, as may be needed, to promote recreation on the Allegheny.
Hope this may help and happy fishing.