Freshwater is a fundamental natural resource. It is essential for sustaining life, supports the development of ecosystems and economies and is also used as a recreational resource. Therefore, its appropriate management is critical if we want to guarantee the long-term sustainability of the supply. The aim of this paper is to analyze the main aspects influencing water saving in Spanish households. To accomplish this goal, we start by developing a theoretical analysis of those aspects that affect watersaving behaviour. Following this theoretical approach, an empirical analysis is developed. Such empirical research is based on developing several logistic regressions that include different water-saving behaviours as dependent variables.