Back to Basics – What you need to know about NRW assessment
"Roland Liemberger - Back to Basics – What you need to know about NRW assessment". https://www.youtube.com/watch?v=1PLT93HDUNc It is already 20 years that the first edition of the IWA Manual of Best Practice, ‘Performance Indicators for Water Supply Systems’ had been published. It included the (then) new standardized water balance and water loss performance [...]