Foulness SSSI Foulness SSSI Foulness SSSI is a 10,702 hectare biological Site of Special Scientific Interest covering the shoreline between Southend-on-Sea and the Crouch estuary in Essex. It is a key site in "A Nature Conservation Review", and is part of the Essex Estuaries Special Area of Conservation. It covers two Ramsar wetland sites of international importance, 'Crouch and Roach Estuaries' and 'Foulness'. An area of 6.4 hectares is Shoeburyness Old Ranges, a Local Nature Reserve managed by the Essex Wildlife Trust. Most of the site is owned and managed by the Ministry of Defence. Natural England describes it as "extensive intertidal
Foulness Island and all reference to the scheme had ceased by 1871. The Board kept the £25,000, the only money that the London ratepayers ever received for their sewage, despite claims at the time that it was worth over £4 million. Around 100 years later, the Roskill Commission investigated potential sites for a third London airport. Four sites were considered, including construction of an off-shore airport on Maplin Sands. The Commission chose a site at Cublington but the UK government rejected the Commission's proposal and accepted a dissenting report recommending that a new airport should be developed at Foulness. The Maplin Development