Decree-Law No. 21/2018 amending the Dams Safety Regulation and approving the Small Dams Regulation. Country/Territory Portugal Document type Regulation Date 2018 Source FAO, FAOLEX Original source Diário da República, I Série, No. 62, 28 March 2018. Subject Water Keyword Classification/declassification Freshwater resources management Waterworks Resource/damage valuation Legal proceedings/administrative proceedings Geographical area Europe, Europe and Central Asia, European Union Countries, North Atlantic, North-East Atlantic, Southern Europe Entry into force notes This Decree-Law enters into force 30 days after its publication. Abstract This Decree-Law amends several provision of Decree-Law No. 344/2007 on the Dams Safety Regulation and approves the Small Dams Regulation. Amendments deal with administrative and legal proceedings, water dam requirements, dam classification, supporting technical documents, competent authorities, etc. Annex II regulates the Small Dams Regulation. The purpose of this Regulation is the safety of small dams during the design, construction, first filling, exploration and rehabilitation phases. This Regulation shall apply to dams less than 10 m. height, measured from the lowest level of foundations up to the height, not taking into consideration the storage capacity of the respective dams as well as those dams size equal or higher than 10 m. and lesser than 15 m, whose reservoirs have the storage capacity equal to or less than 1 hm3. These dams, not covered by the Dams Safety Regulation annexed to Decree-Law No. 344/2007 of 15 October, shall be classified according to the methodology indicated in that Regulation. For dams with a height lesser than 5 m, measured from the basis to the height, in the case of being classified in class III, the provisions laid down in articles 5, 6, 8 and 9 shall be waived. For dams with a height lesser than 2 m. this Regulation shall not apply. Full text Portuguese Website dre.pt References - Legislation Amends Decree-Law No. 344/2007 approving the Regulation of Security of Dams. Legislation | Portugal | 2007 Keyword: Classification/declassification, Freshwater resources management, Waterworks, Resource/damage valuation, Legal proceedings/administrative proceedings Source: FAO, FAOLEX Repeals Order No. 246/98 regulating dam construction. Legislation | Portugal | 1998 Keyword: Waterworks, Authorization/permit Source: FAO, FAOLEX Order No. 846/93 regulating the project for waterworks construction. Legislation | Portugal | 1993 Keyword: Waterworks, Standards, Research, Authorization/permit Source: FAO, FAOLEX