Case C-841/24: Judgment of the Court (Eighth Chamber) of 4 June 2026 – European Commission v Hellenic Republic (Failure of a Member State to fulfil obligations – Environment – Directive 91/271/EEC – Urban waste water treatment – Article 3 – Collecting systems – Individual systems or other appropriate systems – Article 4 – Secondary or equivalent treatment – Article 5 – Sensitive areas – Article 7 – Coastal waters – Article 10