On 1 April 1970, the Council was forced by the State Government to merge with the Shire of Swan-Guildford to form a new council that would operate effectively and economically for the area, the Shire (later City) of Swan.
On April 1, 1970, under governmental directive, the Council merged with the Shire of Swan-Guildford to form an efficient and economical local authority for the region, eventually becoming the City of Swan.