An introduction to leakage – “Dennis Dellow introduces water network leakage at the 2017 NWG Innovation Festival – a brief history, what causes leakage

Finding network leaks – “Dennis Dellow tells us about methods to locate leaks – from listening sticks to gas injection, find out what’s tried and tested and what’s not so effective

The challenges with leakage – “Dennis Dellow outlines the main challenges we face and where we want you to focus – detecting, locating and repairing leaks”