Definition:
Écart entre le volume d’eau quittant les ouvrages et la somme totale des volumes reçus par les consommateurs. Bien que correspondant principalement à des fuites, cet écart comprend également des erreurs de comptage non négligeables et des détournements inconnus/illégaux. Cette notion est plus couramment utilisée dans le secteur de l’eau potable.
Source:
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Food and Agriculture Organization of the United Nations, AQUASTAT Web Site
Stephen Merett, 1997, Introduction into the Economics of Water Resources, an International Perspective, UCL Press