Judgment of the Court (First Chamber) of 24 June 2021.#European Commission v Kingdom of Spain.#Failure of a Member State to fulfil obligations – Article 258 TFEU – Doñana protected natural area (Spain) – Directive 2000/60/EC – Framework for European Union action in the field of water policy – Articles 4(1)(b)(i), 5 and 11(1)(3)(a), (c) and (e) and (4) – Deterioration of bodies of groundwater – Absence of further characterisation of those groundwater bodies identified as being at risk of deterioration – Appropriate basic and supplementary measures – Directive 92/43/EEC – Article 6(2) – Deterioration of natural habitats and habitats of species.#Case C-559/19.