NRW has been reduced to 5% in Copenhagen By means of innovation, new technologies and thorough search methods, the Greater Copenhagen Utility has brought water loss in the capital of Denmark down to a minimum. HOFOR – Greater Copenhagen Utility – uses a cross-cutting approach to monitor the old pipe network in Copenhagen for leaks. In so doing, the utility has succeeded in reducing the NRW level from 9 percent to 5 percent. This result is especially remarkable because 65 percent of the water pipes inCopenhagen are from before 1945, 30 percent are older than 100 years and 70 percent of the pipes are made of cast iron. HOFOR is one of the world leaders in reducing leakage thanks to how the utility combines multiple technologies and methods. These include noise loggers and advanced microphone

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