After two decades of water loss progress, why are leakage levels still so high?

The last 20 years have seen much progress towards addressing water losses in urban water distribution systems. So much so, that there basically seems no significant advances left to make, nor completely new methods or technologies to be introduced that would change the situation dramatically. Why then, after two decades of progress in developing technologies and best practices, do the vast majority of the world’s cities still have unsustainably high water losses? Losses that are exceeding economic levels, and which should be considered “irresponsible” when Climate Change and more frequent and more severe droughts are a reality. And why are decision makers not taking action when physical losses are so high, sometimes 40% or more, that only half the population can be supplied with piped water? In India, for example, … Continue reading After two decades of water loss progress, why are leakage levels still so high?