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2016 - 2019 | 1: Continente | 19 | 72 | 9 | 0 | 0 | 56 | 44 | 0 | 0 | 0 | 2: Região Autónoma dos Açores | 64 | 36 | 0 | 0 | 0 | 100 | 0 | 0 | 0 | 0 | 3: Região Autónoma da Madeira | 74 | 24 | 2 | 0 | 0 | x | x | x | x | x | Proportion of surface water quality monitoring stations (%) by Type of inland surface water and Nitrates concentration class; Quadrennial - Portuguese Environment Agency |
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This data last updated:december 22, 2020
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