Regulation No. 23/95 on the Public System for water supply and drainage of residual water. Country/Territory Portugal Document type Regulation Date 1995 Source FAO, FAOLEX Original source Diário da República No. 194/95 (I-B), 23 August 1995, pp. 5284-5319. Subject Water Keyword Effluent waste water/discharge Waste disposal Water quality standards Water supply Pollution control Freshwater pollution Geographical area Europe, Europe and Central Asia, European Union Countries, North Atlantic, North-East Atlantic, Southern Europe Entry into force notes This Regulation shall enter into force after 1 year from publication. Abstract This Regulation establishes the Public System for water supply and drainage of residual water. The Regulation consists of 7 parts specifying the systems for public water supply and water disposal in order to guarantee and preserve water quality standards. Full text Portuguese References - Legislation Implemented by Decree-Law No. 194/2009 establishing the legal regime of municipal services for the public water supply, wastewater sanitation and urban waste management. Legislation | Portugal | 2014 Keyword: Effluent waste water/discharge, Waste disposal, Water quality standards, Water supply, Pollution control, Potable water, Waste domestic sources, Water abstraction, Basic legislation, Freshwater pollution Source: FAO, FAOLEX