Although an estimated 20% of potable water in Aotearoa New Zealand is lost each year (enough to supply all of Hamilton, Rotorua, Dunedin and Christchurch), much of this wasted water is never seen above ground. With over 9000 kilometres of water mains, 400,000 connections, and millions of separate pipe joins in Auckland, the challenge of finding this water and reducing water loss is no small task.
A small team of engineers and leakage technicians work for Watercare and you may have seen them listening for leaks on water meters, valves, and fire hydrants.
In 2020, this type of active leak detection saved Aucklanders 9 million litres of water per day, but it is not the only approach to tackling water loss.
Watercare, and district councils across the country utilise a combination of leak detection, pressure management, pipe asset management, and quality control of repairs to save even more water.
At this workshop, three young water professionals working in the field of water loss will give a high level discussion of how these methods are employed, what technologies are used, and the work they do to ensure that Auckland loses as little water as possible.