title: The administrative units used for water supply purposes in Northern Ireland from 1828.
mesh_terms: D000288:Administrative Personnel; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007878:Legislation as Topic / Q000266:history*; D009660:Northern Ireland; D012498:Sanitary Engineering / Q000266:history*; D014881:Water Supply