Never be stuck in the mud with Tideflex 24 Nov 2017 Stormwater discharges to the tidal section of the Parrett River at Bridgwater were constantly blocked due to mud & silt with the metal flap valves unable to cope. In 2013 Wessex Water decided that Tid... River Outfalls Sites England flap valve replacement muddy outfall no blockages tidal outfall tideflex valve Read more