This document establishes the legal framework and regulatory standards for water quality and supply management within Scotland as of 1990. The text serves as a formal statutory instrument issued by the British government to define the obligations of water authorities regarding the safety, monitoring, and treatment of public water supplies. It provides the specific legislative requirements necessary to ensure compliance with public health standards during the period of its enactment.

Legal professionals and environmental policy researchers utilize this document as a primary source for understanding the historical regulatory environment of Scottish water infrastructure. Experts note that the text is written in highly technical, formal legal prose intended for administrative and judicial application.