Ordinance on safe water supply. Country/Territory Switzerland Territorial subdivision Glarus Document type Regulation Date 1964 (1998) Source FAO, FAOLEX Subject Food & nutrition, Water Keyword Food quality control/food safety Potable water Authorization/permit Water supply Water quality standards Geographical area Europe, Western Europe Abstract The present Ordinance lays down provisions relating to the safe water supply system in the Canton of Glarus. The water supply services shall be inspected periodically by the Cantonal Food Hygiene Service. Projects for new water supply plants or their enlargement shall be subject to preventive approval. Public water supply services shall be run only by competent personnel. The addition of chemicals to drinking water without authorization from the competent authority shall be prohibited. All publi Full text German Website www.gl.ch