Water Supplies Protection Regulations 1961. Country/Territory New Zealand Document type Regulation Date 1961 Source FAO, FAOLEX Original source Official Gazette 1961/86, pp. 1-7. Subject Water Keyword Water supply Waterworks Authorization/permit Sewerage Geographical area Asia and the Pacific, Australia and New Zealand, Oceania, South Pacific Abstract Pursuant to the Health Act 1956, these Regulations aim at the protection of the public water supply by: (a) prescribing permits and certain installation requirements for backflow prevention devices and (b) providing rules which relate to the use of toxic substances, introduction of other water in the main water supply, private installations and the identification of water pipes. (18 regulations and a Schedule) Full text English