Abstract
ABSTRACT Access to a reliable source of potable water is essential for the survival of human life and almost all living organisms. Technological advancements in the last decades have generated a variety of interchangeable methods for improving water quality. The present study seeks to create a framework that will facilitate the selection of the right technology by a water supplier aiming to improve the quality of tap water being supplied. A structured methodological approach based on a quality function deployment (QFD) is presented. This process extracts the desired improvements in water quality (as identified by its users through a questionnaire) and translates them into the required technical improvements and, ultimately, into core technologies ranked by importance. In constructing the water QFD, two matrices representing questionnaire results were analyzed. Normalized improvement scores were calculated at each of three hierarchical levels: customer requirements, technical parameters, and technologies. The components to be improved at each level were selected using analysis off variance (ANOVA). The methodology for selecting relevant technologies for improving tap water quality was implemented in the Galilee region in Israel.
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