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Regular bacterial testing

  • The water is tested for the following parameters:




Total Coliforms


None specified

Ecoli (post treatment)



(**) – Mean Probable Number

Annual Chemical Testing

The Ministry of Health is responsible for setting the New Zealand Drinking Water Standards, which specify the maximum amount of different chemical determinands that are safe to have in our drinking water—known as Maximum Allowable Values (MAV). Selwyn District Council monitor for chemical profile in drinking water. The test results are provided in the link below.

2021 water sources test results

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