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Final two zones to receive temporary chlorination

Water supplies in Christchurch are being treated temporarily.

Temporary chlorination of the water supply in the Ferrymead and Lyttelton zones will start next week (commencing 23 April 2018).

The Ferrymead zone stretches from Woolston east to Taylors Mistake and supplies 8,500 properties.The Lyttelton zone covers all the water supply zone for Lyttelton Harbour including Governors Bay and Diamond Harbour, supplying 3,000 properties.

These are the final two zones to receive temporary chlorination following on from the central zone last week.

A single well in Wainui, servicing approximately 400 people, will receive temporary chlorination at the end of this month.

Read the full story here.

Reducing taste and odour issues

As temporary chlorination is implemented at each pump station, we're testing the water to make sure that chlorine doses are at the appropriate lowest possible level.

We’ve had a few people contact us complaining of a strong smell. While in some areas the initial doses have been slightly elevated, testing shows we are well below the allowable limit. We will continue to monitor and adjust the dose rate as we progress.

We expect any smell and taste issues to reduce as the chlorine comes into full effect and suggest people put a jug in the fridge for drinking as the smell and taste will reduce over time.

About the temporary treatment of your water supply

There is background information and a map on our website showing areas of the city where chlorine is being used and this will be updated as we progress. There is also a question and answer section on the Council website.

You can call the Customer Contact Centre on 03 941 8999 or 0800 800 169 if you have any questions, or email watersupply@ccc.govt.nz