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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.

Related news

News in brief from today's Council meeting

A potential location for an Erebus National Memorial, water services delivery, an extension to operations at Burwood Landfill and bus detectors on Manchester Street - here are the key decisions made at today's Christchurch City Council meeting.

20 Aug 2025

Main North Road water pipe renewal to begin

A project to install new water supply pipes on Main North Road between Johns and Factory roads will get underway next week.

7 Aug 2025

Fund helps support waterway volunteers

New equipment is helping to support the Water Quality Volunteer Project with ongoing monitoring in Pūharakekenui / Styx River.

5 Aug 2025

Takiuru ki ā mātou ratonga
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