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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.

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Real-time water quality model launches for Banks Peninsula harbours

Canterbury Regional Council (Environment Canterbury) has developed a predictive model that will give swimmers and other harbour users real-time information about water quality at popular sites around Whakaraupō Lyttelton and Akaroa harbours.

23 Sep 2025

Flockton Street wastewater and street renewals underway

Street renewal and traffic calming works on Flockton Street have been timed to follow wastewater upgrades.

22 Sep 2025

News in brief from the Council meeting

Here are the key decisions from the Wednesday 3 September Council meeting.

3 Sep 2025

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