Performance assessment of water supply and wastewater systems

Abstract

This paper addresses the issue of performance assessment in water and wastewater systems by reviewing two of the tools that are available to the companies operating in this field: systems of performance indicators and technical performance assessment through simulation. The paper focuses on a technical performance evaluation framework and its application to wastewater systems. The assessment is carried out through the application of utility functions to the network's elements, and the production of performance-oriented graphs that yield concise and informative views about the system's behaviour. Two case studies involving a combined sewer system and a separate domestic system are presented in order to illustrate the method.