Christchurch's water should be temporarily treated after report finds drinking wells 'may be susceptible to contamination'

Christchurch's drinking water should be temporarily chlorinated after it was found the city's wells may be in danger of contamination, Canterbury's public health boss recommended.

An assessment of underground well heads found some with cracked surrounds and inadequate seals, meaning they may be vulnerable to pollution from surface groundwater.

The Christchurch City Council has known about the risk since December 22 when the Canterbury Water Assessor removed the city's secure bore status, but only made the information public on Tuesday. Read more

Chlorine Council Drinking Water Water Quality Water Treatment