E.coli found in Woodend water

LOIS CAIRNS
Last updated 10:32 02/12/2013

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Authorities in Waimakariri are still trying to trace how E.coli got into the Woodend water supply.

A boil water notice was issued in Woodend on Saturday after regular testing of the water supply found low levels of E.coli, an organism which can cause sickness, including vomiting and diarrhoea.

Waimakariri District Council three waters manager Kalley Simpson said investigations over the weekend showed the wells which provided Woodend with its water were clear of E.coli, which suggested the contamination had occurred somewhere within the reticulation system itself.

''It is important we identify the source so we can prevent it happening again,'' Simpson said. 

Investigations into possible sources were continuing but in the meantime the pipes were being flushed in an attempt to remove all traces of E.coli. 

Tests on Sunday suggested the flushing was working but the boil water notice would remain in place until the water tested clear for three consecutive days.

About 1000 homes are connected to the Woodend water supply. 

It is the latest Canterbury township to be hit by water quality issues.

In May Rolleston residents were advised to boil water after a higher than recommended E.coli level was found in a bore 195 metres deep in the Izone business park.

It was one of a spate of E coli outbreaks in the Selwyn District in the past 12 months.

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- The Press

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