Canvey Island Ltd. The site offers a bulk liquid storage facility for refined petroleum products. Neither of the refineries proposed in the 1970s were completed or commissioned. The Texaco site was demolished and the tanks removed, the former Texaco river jetty is still extant. Canvey Island lies off the south coast of Essex east of London, and west of Southend-on-Sea. The island is separated from the mainland to the north and west by Benfleet, East Haven and Vange creeks, and faces the Thames Estuary to the east and south. Along with neighbouring Two Tree Island, Lower Horse and Upper Horse, Canvey is
Severn Estuary the line between Lavernock Point and Sand Point is the Bristol Channel, which in turn discharges into the Celtic Sea and the wider Atlantic Ocean. The islands of Steep Holm and Flat Holm are located close to that line, in the middle of the estuary. Sometimes the term "Severn Estuary" is used to include the tidal upstream stretch between Gloucester and Aust. During the highest tides on the upper reaches of this stretch, the rising water is funnelled up the estuary into the Severn bore, a self-reinforcing solitary wave that travels rapidly upstream against the river current. The tidal range