ArticleFoods (Basel, Switzerland)2026
Application of Space-Time Cube Analysis to Brewing Water Resources: A Complementary Decision-Support Tool for Breweries.
Article in Foods (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Brewing water must meet potability standards, as its chemical composition directly affects beer quality and process consistency. Understanding spatial and temporal variability in water composition is essential for quality control and risk management in brewing. This study evaluated the spatiotemporal variation of six key brewing parameters (pH, calcium, magnesium, sodium, chloride, and sulphate) in the Basque Country (Spain) from 2019 to 2023. A comprehensive dataset of drinking water analyses from multiple municipalities was assessed using spatiotemporal analysis tools to identify trends, variability patterns, and potential deviations from recommended brewing water ranges. Water composition showed notable spatial variability, while temporal fluctuations were generally limited. Most parameters remained within recommended ranges for brewing. However, isolated exceedances were identified for sulphate (two municipalities) and sodium (one municipality), representing less than 0.06% of the total records. These deviations may affect flavor profiles and process stability if not properly managed. The findings highlight the importance of continuous monitoring of source water to ensure consistent brewing quality, despite limitations associated with heterogeneous monitoring practices and multi-year data aggregation. The proposed spatiotemporal approach supports risk-based decision-making for brewery location, contributing to improved quality control in the brewing industry.
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