Canvey Island barriers spanning Benfleet Creek to the north and East Haven Creek in the west. The drainage system consists of sewers, culverts, natural and artificial dykes and lakes which feed seven pumping stations and gravity sluices that discharge the water into the Thames and creeks. Four of the discharge sites are "high flow" stations capable of discharging 600 litres of water per second at any tide level. The levels within the system are managed by a further five "low flow" pumping stations. The Environment Agency's Thames Estuary 2100 flood defence plan includes Canvey Island as one site for alleviating the flood
Isle of Sheppey new buildings in February 2013 and is split between two sites: East and West. The academy is split horizontally into five mini-schools. There are several primary schools on the island. The island has a non-league football club, Sheppey United F.C., based at Holm Park and who play in the Southern Counties East Football League, Premier Division. The island's largest cricket club is Minster Cricket Club, who compete in the Kent Cricket League as well as Sheppey Cricket Club which plays in the Kent Regional Cricket League. The island also has a rugby union club, Sheppey RFC who compete in the