Watercare issued the notice for 7800 properties across Hillsborough, Mt Roskill, Royal Oak and Three Kings after a single test showed traces of E. coli. Watercare is operating public water tankers for affected residents until the issue of potential E. coli contamination is resolved. “This work is continuing and will remain underway until the boil water notice can be safely lifted.”Which areas are affected? Watercare has issued a boil water notice for parts of Hillsborough, Mt Roskill, Royal Oak and Three Kings (outlined) until further notice. Image / WatercareWatercare has issued a boil water notice for parts of Hillsborough, Mt Roskill, Royal Oak and Three Kings (outlined) until further notice.

Source: New Zealand Herald April 07, 2026 20:04 UTC