A device called Leakfrog should help Thames Water leapfrog over its biggest problem - water leakages.
The company hopes the technology will save millions of litres of water lost every day through leaky pipes.
If a leak is suspected, a Leakfrog is attached to a water meter overnight and will show how much water is being lost.
One of the inventors, Nic Clay-Michael, said: "They have been specially designed so they can be fitted easily to our meters in large numbers.
"They tell us if a leak is present, something our previous methods haven't been able to do on such a large scale."
Thames Water, which is responsible for providing homes across Oxfordshire with water, loses around 170m litres a day through leaks - an estimated 25 per cent from customers' pipes.
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