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Waterways and Drainage

This section gives information on the Council's drainage systems and areas, and ways you can help to care for our waterways.

Sewage Discharges to Waterways

The Council's sewerage system is generally functioning satisfactorily within the District, following the recent earthquakes. However, the sewerage infrastructure in Kaiapoi, Pines and Kairaki Beach is very fragile and the Council is continually making repairs to minimise any risk of sewer overflows.

In periods of high rainfall, especially where flooding can occur, there is a likelihood that some sewage may enter the waterways, especially in Kaiapoi and Pines Beach. Our last sewage discharge was into the Kaiapoi River on 18 August 2011.

A picture of workers digging drains. Waterways and Drainage

Find out who has the responsibilities for the District's waterways, and how you can help promote the health of our waterways.  

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