Recent droughts have led to discussions about water reuse and the economical use of freshwater in the Netherlands. In the project 'WWTP as Water Factory for a robust water supply' looked at the hydrological effects of water reuse, system optimization and cost-benefit analysis of different system solutions. With an AquaVest model, the cheapest water infrastructure solution was identified and its costs and benefits identified. The solutions explored are: effluent to agriculture, industry or as groundwater recharge. The impact of existing policies, such as groundwater charges, on the affordability of the system solution was also considered.
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