Royal Decree of 25 July 1904, no. 523 Consolidated text of legal provisions concerning various categories of hydraulic works. Country/Territory Italy Document type Legislation Date 1904 Source FAO, FAOLEX Subject Water Keyword Water supply Waterworks Geographical area Alps, Europe, Europe and Central Asia, European Union Countries, Mediterranean, Southern Europe Entry into force notes This Decree entered into force on the day of its publication. Abstract This text contains the consolidated and unified text of all general water related rules and water infrastructure related works, here aimed for each category and type. Rules of this text are related to all types of water structures and water areas including rivers, lakes, streams and natural flows. Also a full classification of works around public waters and the list of hydraulic or waterworks of first, second, third, fourth and fifth category. Full text Italian Website www.minambiente.it