The Sewerage (Scotland) Act 1968 (c. 47) is an act of the Parliament of the United Kingdom which required every local authority in Scotland to provide a network of sewers to ensure that domestic sewage, surface water and trade effluent was effectively drained from their area, and to construct sewage treatment works or other facilities to deal with the contents of those sewers.

In the event that agreement could not be reached as to what was reasonable cost, the matter could be referred to the Secretary of State, and his decision would be binding.

[3] Section 5 allowed local authorities to collaborate by connecting their sewerage systems or treatment works together to be more effective.

[9] The original act gave local authorities, and Scottish Water who have subsequently taken over the roles of the local authorities in the provision of sewerage services, the power to specify the location and mode of connection where a customer may connect to the public sewers, in order to prevent the disruption of the existing network.

This is quite different to the law in England and Wales, where the High Court ruled that the Water Industry Act 1991 did not contain a similar condition, when judging a dispute between Barratt Homes and Welsh Water, and that the connection could thus be made in a way that would result in the sewers being overloaded.