Royal Decree No. 309 of 2001 establishing the Water Supply Well Field Protection Zone in Muscat Governorate. Country/Territory Oman Document type Legislation Date 2001 Source FAO, FAOLEX Subject Water Keyword Water conservation zone Water desalination Water supply Well sinking/boreholes Groundwater Institution Pollution control Saltwater intrusion/siltation Water abstraction Geographical area Western Asia Entry into force notes This Royal Decree enters into force on 1 December 2001. Abstract This Royal Decree consists of 6 articles and one Annex. Full text Arabic