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
Canvey Island Independent Party to form the local government district and borough of Castle Point, ending Canvey Island's existence as a separate entity in local government. The Canvey Island Independents were established in 2004 to campaign for a return to Canvey Island's autonomy, which had been abolished 32 years previously. They argued that the current local government arrangements - which saw more councillors elected to the Borough Council from the mainland - were unfair to the residents of Canvey Island. They also campaigned for more power to be devolved to Canvey Island Town Council, a parish council subordinate to Castle Point which is responsible