Here is a list of recent 'significant event' Boil Water Notices in NZ.

The Health (Drinking Water) Amendment Act 2007 (an amendment to the Health Act 1956) came into force on 1 July 2008. This requires Councils to monitor drinking water and to take all practicable steps to comply with the Drinking Water Standards (DWS) as well as to implement risk management plans.

Apr 17 Christchurch / high ecoli / aquifer

Apr 17 Edgecombe / Cyclone Debbie / stop bank

Feb 17 Levin / too much rain / overloaded treatment plant

Nov 16 Hurunui / Kaikoura Earthquake

Aug16 Havelock North / campylobacter / sheep faeces / aquifer