Aine O'Mara steps off a concrete step onto a floating pontoon while carrying a double scull - Junior 15 rowers at Fermoy Rowing Club, - training on the River Blackwater. Pic: Larry Cummins. Echo feature by reporter Donal O'Keeffe 08/08/2021. Water levels in the River Blackwater (due to damage to the weir) is causing difficulties for rowing activities on the river.