Emerging organic contaminants in springs of the highly karstified Dinaric region

•First regional investigation of EOCs in Dinaric karst aquifers.•65 different EOCs detected, conc. <1 ng/L for almost half.•EOC concentrations are two orders of magnitude lower than in other groundwater types.•EOCs are detected more frequently than in other types of groundwater.•EOCs are detected in greater or comparable numbers than in other groundwater types.