17 underground leaks detected by water leak detection dogs in Illawarra, Australia, in four days.

Water leak detection dogs, such as Joey and Hydro, have found 17 underground leaks in Illawarra, Australia, within four days. These English Springer Spaniels, trained by Sydney Water, can detect chlorine and fluoride in water and locate leaks up to 2.5 meters underground. Sydney Water's leak detection program has been successful and has been adopted in other countries, including Ireland, the UK, and New Zealand.