Permanent opening - shingle removed by a series of hydraulic nozzles
Description of option
The removal of shingle from the opening site, by a series of hydraulic nozzles, was proposed.
Opening, closing, and lake level control description
"Questionable whether it would function satisfactorily". Shingle drift is not regular and is intensified when there is a heavy southerly gale.
Fish passage benefit rating
Potential running impacts or benefits