History of Northwich were looking for coal, but instead discovered rock salt, in the grounds of the family home, Marbury Hall, to the north of Northwich. Soon salt mining started again. This mining area is now known as Dairy House Meadow. By 1732 the River Weaver was improved from Frodsham Bridge to Winsford Bridge and eventually allowed vessels up to to travel up to Northwich Bridge. This allowed salt to be transported by boat rather than cart. The Trent and Mersey Canal, opened in 1775, passed to the north of Northwich because of objections from the trustees of the Weaver Navigation. However, the
Northwich were united as the civil parish of Northwich, served by Northwich Urban District Council. The town was further enlarged in 1936 by the addition of parts of Winnington, Lostock Gralam, Barnton, Leftwich and Rudheath, and again in 1955 when parts of Davenham, Hartford, Rudheath and Whatcroft were added. The Local Government Act 1972 replaced the Urban District Council of Northwich with a new district (later borough) council: Vale Royal. Vale Royal covered areas previously covered by Northwich UDC (Urban District Council), Northwich RDC (Rural District Council), Winsford UDC and parts of Runcorn RDC. Northwich Town Council now has the powers