Sniffer dogs deployed to find burst pipes and leaks in rural areas

Jolene Campbell
·3-min read

Sniffer dogs are being deployed to rural spots across Scotland to detect leaking and burst pipes. A team of detective dogs who have been trained by ex-military handlers have already discovered 21 suspected leaks in the Borders and East Lothian.

Scottish Water has been working with a team of super sniffers to help locate leaks in pipes in rural areas where the water can be hard to pinpoint because it doesn't always show on the surface.

Four dogs – Springer Spaniels Kilo and Denzel, Cocker Spaniel Mylo, and Tico, a Labrador Cocker Spaniel cross - have been trained to detect the smell of chlorine in treated water.

Scottish Water is working with Cape SPC, a company based near Warrington, England, who provide the service and own the dogs. And now the dogs will be used in other rural spots in Scotland this year, after they found 21 ‘points of interest’ or suspected leaks in the Ettrickbridge, East Linton, Hawick, Jedburgh and Mosstower to Hownam areas.

Scottish Water repaired 12 of these, after the leaks were checked and confirmed. Stewart Hamilton is a Scottish Water customer services operations team manager who has been working with Cape SPC.

He said: “We take our responsibility to manage water very seriously and since 2006 leakage has been reduced by over 50 per cent due to increased investment and pressure management. We use modern technology such as ground microphones, correlators, hydrophones and other devices to pinpoint the exact location of underground assets and leaks.

“However, some bursts in rural locations are more difficult to pinpoint and we are always looking for innovative ways to do the job more effectively and to continue reducing leakage. That’s where these sniffer dogs come in because their sensitive noses can detect treated mains water at very low concentrations.

“When the dogs help pinpoint the exact locations of leaks we then come back to that point, investigate, excavate and repair the bursts. It is often very difficult in wet, boggy terrain to source leaks, but dogs are part of the solution.

"We call in the team when we see an increase in flows in our data. It’s really effective using the dogs in rural and remote areas and when the weather is wet. The handlers walk the mains, following a mains app, and the dogs are very efficient and differentiate between the smells of surface water and treated water.”

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Luke Jones, managing director of Cape SPC, added: “The dogs’ noses are an amazing tool that can be used in many different situations. The dogs’ sense of smell is about 40 times greater than human beings’ because they have up to 300 million olfactory receptors in their noses compared with our six million.

"They are trained by scent association and rewarded for smelling chlorine, which rises to the surface from pipes, with ‘prizes’ of balls, toys or treats. Using dogs to help people like the police and border security search for drugs and explosives is well known, but there are a host of other applications that we are exploring.

"We really enjoy this work with Scottish Water and we hope that the dogs can be used to help locate leaks in more parts of the rural network going forward. Initial trials were held a few years ago but our approach and versatility has evolved considerably and we are really pleased with these latest successes in the Borders and East Lothian and are confident of achieving more in the future.”

Scottish Water has 31,000 miles of water mains.

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