Water supply quality and monitoring

Quality, monitoring and analysis of Christchurch water.

Water quality and monitoring

A typical average chemical (naturally occurring) analysis of Christchurch water.

Water chlorination

Water chlorination is the process of adding chlorine to the water supply to keep it safe from harmful bacteria. Sodium Hypochlorite is used in Christchurch.

Meter readings

The meters are read for the purpose of water conservation to determine if there is excessive water usage and identify if there are any leaks.

Water sampling bollards

New drinking water sample point bollards are being installed across the city.


Related news

Christchurch’s award-winning Te Kuru to the rescue

Christchurch City Council’s innovative approach to stormwater management has earned national recognition.

7 May 2025

Water delivery to remain with Council

The delivery of water services will remain in Christchurch City Council’s control.

7 May 2025

New research on Christchurch’s source water

The Water Services Authority – Taumata Arowai (the Authority) has updated Christchurch City Council on research into the city’s water source.

6 May 2025

Takiuru ki ā mātou ratonga
Log in to our services