"Noise loggers" save water by listening for leaks

In the average distribution system, as much as 30 percent of treated water is lost due to simple, fixable leaks, but the problems are often located underground, and can be hard to pinpoint. Now, researchers at Canada’s Concordia University have developed a technique that could have a big impact on the problem, using "noise logger" devices to spot underground leaks to an accuracy of 99.5 percent.

Chris Wood

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