14K views · 42 reactions | Can you help Water Wally locate the underground leak? Submit a screenshot in the comments section if you have successfully done so. Just like Water Wally, PUB officers also utilise leak noise loggers and correlators to analyse noise data to detect leak spots. We conduct regular inspections on our pipelines to ensure our network pipes are in good condition. #OurWaterNetwork | PUB, Singapore's National Water Agency | Facebook