About the water supply

Where our water comes from

Water from underground aquifers is used to supply the Christchurch urban area, Lyttelton, Diamond Harbour and Governors Bay..

Schools programme

Water – abuse it and you'll lose it. Students learn how to be waterwise!

Water restrictions

Water restrictions may be introduced with very dry weather and increased demand for water.

Water pressure

Water pressure is a measurement of the force needed to move water from groundwater wells, through the water mains and into individual pipes.

Lead-jointed pipes

Some drinking water in Christchurch and Lyttelton is supplied through older lead-jointed pipes.

Plumbosolvency

Some drinking water in Christchurch and Lyttelton is supplied through older lead-jointed pipes.