15/04/2026 - 10:00 AM

Dogs detect water leaks using scent in modern systems

Dogs detect water leaks

Water leaks waste millions of litres of treated water each year. Traditional detection methods rely on costly machinery and often fail in harsh environments. However, dogs detect water leaks using their powerful sense of smell, offering a smarter and more efficient solution. Southern Water has adopted this innovative approach by using trained dogs to identify underground leaks. These highly trained dogs are already making a groundbreaking contribution to modern leak detection systems.

How Dogs Detect Water Leaks Using Scent Technology

Since December, SouthernWater has been working with dog-led detection company CAPE SFC in order to identify leaks through the use of specially trained dogs. Trainers teach the dogs (Milo, Kilo, and Tico) to detect chlorine in treated tap water, even at low concentrations. The dogs identify underground leaks early and accurately by sensing chlorine escaping from pipes beneath the ground.

Dogs are really good at finding leaks. They do not need to hear the sound of the leak or use machines to dig and find it. Instead, dogs use their sense of smell to track the leakage. This is helpful in places like lands, forests and bushes. It is also helpful near rivers and in certain areas. In these areas, it is hard for people to find leaks with their machines. Dogs can find leaks in these places. They can do this because dogs have a sense of smell.

Why Dogs Detect Water Leaks Better Than Traditional Methods

Southern supplies approximately 566 million litres of drinking water each day, and approximately 91 million litres of drinking water is lost each day to leakages. One of the biggest challenges is that about 90 per cent of leaks cannot be observed on the surface and therefore, can be hard to trace.

There have been spectacular success rates in the use of trained dogs:

  • There were 17 leaks detected by dogs in the trial period.
  • 95% of the locations marked by the dogs turned out to be actual leaks
  • The dogs found the leaks in the areas where the conventional methods failed to detect them.
  • They minimised the requirements of disruptive digging or the use of machinery.

This demonstrates that dogs are not only effective but also highly accurate when it comes to locating the position of the leaks.

Benefits of Using Dogs to Detect Water Leaks

Environmentally Friendly

Some of the best advantages of using dogs are that they can do no harm in the search. The ancient machinery may disrupt the landscapes, destroy bushes and damage land when they are searching for the leakage. On the other hand, dogs and handlers just walk around the facility without damaging the environment.

Difficult Terrain Access.

Dogs are provided with:

  • Thick bushes
  • Forested areas
  • Muddy fields
  • Uneven landscapes
  • Streamside locations

This flexibility allows them to reach those areas that machines and engineers can hardly reach.

Cost-effectiveness and Time Saving.

Dogs also have the ability to save time and cost of a manual search, excavation and repairs by locating the leak location fast and accurately.

The Dogs at Tork.

Handler Steph Barrett says that Tico has a gigantic passion in life and perceives leak detection as a game, not work. Barrett says that the dogs are immediately stopped at the time they stop enjoying the activity of the search. This makes the dogs motivated, healthy and happy during the working hours.

Barrett, who was a former farmer and police dog worker, says that it is like going to work with your best friend with the dogs. This is reflective of the strong bond between handlers and the dogs they deal with.

Prospects of Leak Detection Dogs.

Due to the effective trial, Southern Water has already announced that the application of leak detection dogs would be an ongoing part of its operation. The Southern Water director of environment innovation, Nick Mills, was impressed by the performance of the dogs and said their talents were phenomenal.

The company has great hopes that with the integration of the use of dogs in their long-term leakage detection scheme, they will not only save on water but also save on waste in the network.

Conclusion

The use of trained dogs to sense the presence of leaking water is a brilliant concept of combining the natural potentials with the new application of utility roles. Dogs like Tico, Milo and Kilo are helping water companies to easily find leaks that most of the traditional methods fail to detect by their incredible sense of smell. Their performance is minimising water wastage, cutting down the expenses, safeguarding the environment, and enhancing leak detection in inaccessible locations. Such smart dogs will most likely be part of the water management factor in the future as Southern Water strives to develop this project.

Reference link: https://www.bbc.com/news/articles/cm255xnmzkdo

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