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 Lake Canvey Lake Canvey Lake is an 8.3 hectare Local Nature Reserve in Canvey Island in Essex. It is owned by Castle Point Borough Council and managed by the council together with Canvey Island Town Council. On 1 March 2010 Canvey Island Town Council signed a 99 year lease with Castle Point Borough Council to run the site with a committee of two councillor from each council and an independent chairman. The Town Council sought extensive funds to carry out extensive works to remedy years of neglect and create recreation, fishing and wildlife areas. It was formerly a creek which has