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Document 62024CA0841

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 – Waste-water treatment plants)

OJ C, C/2026/3813, 27.7.2026, ELI: http://data.europa.eu/eli/C/2026/3813/oj (BG, ES, CS, DA, DE, ET, EL, EN, FR, GA, HR, IT, LV, LT, HU, MT, NL, PL, PT, RO, SK, SL, FI, SV)

ELI: http://data.europa.eu/eli/C/2026/3813/oj

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Official Journal
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C/2026/3813

27.7.2026

Judgment of the Court (Eighth Chamber) of 4 June 2026 – European Commission v Hellenic Republic

(Case C-841/24)  (1)

(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 - Waste-water treatment plants)

(C/2026/3813)

Language of the case: Greek

Parties

Applicant: European Commission (represented by: E. Arsenidou and E. Sanfrutos Cano, acting as Agents)

Defendant: Hellenic Republic (represented by: C. Kokkosi, acting as Agent)

Operative part

The Court:

1.

Declares that the Hellenic Republic has failed to fulfil its obligations:

pursuant to Article 3 of, and section A of Annex I to, Council Directive 91/271/EEC of 21 May 1991 concerning urban waste-water treatment, as amended by Regulation (EC) No 1137/2008 of the European Parliament and of the Council of 22 October 2008, in the agglomerations of Agia Varvara, Agia Marina Koropiou, Agia Paraskevi, Agiasos, Agioi Theodoroi, Agiokampos, Agios Kirykos, Agios Konstantinos, Agios Nikolaos (EL24201702), Agios Stefanos, Adendro, Aianteio, Aigina, Aliartos, Ampelakia, Ampelonas, Amfikleia, Anavyssos, Anoixi, Antimacheia, Apollonia, Aridaia, Arkitsa, Arnaia, Archangelos, Assos, Astakos, Astros, Atalanti, Avlonas, Afantou, Vathy, Varda, Vasilika, Vasiliko, Velika, Velo, Vrasna, Vrachati, Vrachnaiika, Galaxidi, Galatades, Gargalianoi, Gastouni-Vartholomio, Gerakas, Glyka Nera, Goumenissa, Dilesi, Diakopto, Dionysos, Domokos, Drosia (EL24200401), Drosia (EL30007701), Eretria, Zagkliveri, Zagora, Zaros, Zevgolateio, Irakleia, Thespies, Iasmos, Ithaki, Istiaia, Kainourgio, Kalyves Chalkidikis, Kalyvia Thorikou (Lagonisi), Kanallaki, Kapandriti, Karystos, Karyotissa, Katochi, Kato Sotiritsa, Kentavros, Keramoti, Kefalos, Kitsi, Kompoti, Konitsa, Kopanos, Kranea Elassonas, Kranidi, Kryoneri, Kyriakio, Lagyna, Lardos, Levidi, Lechaio, Leonidio, Livanates, Limenaria, Longos, Louros, Loutra Aidipsou, Marathonas, Markopoulo Oropou, Martino, Megali Panagia, Megalopoli, Meliki, Menidi, Moires, Mouzaki, Molos, Nea Anchialos, Nea Vyssa, Nea Zichni, Nea Palatia, Nea Styra, Neapoli (EL43200601), Nemea, Neo Souli, Neochori, Neochorio, Nigrita, Nikaia, Orchomenos, Paiania, Palaia Fokaia, Palamas, Pallini, Panaitolio, Paralia Avlidas, Paramythia, Patitiri, Pella, Plaka Dilesi, Polichnitos, Polygyros, Potos, Rodolivos, Rodopoli, Samos, Sappes, Saronida, Selinia, Selianitika, Siatista, Sidirokastro, Sochos, Spata, Spetses, Stamata, Stavros, Syvota, Sykourio, Symi, Tinos, Tychero, Hydra, Fanari, Chalkidona, Chalkoutsi and Psachna;

pursuant to Articles 4 and 10 of, and section B of Annex I to, Directive 91/271, as amended, in the agglomerations of Agia Varvara, Agia Marina Koropiou, Agia Paraskevi, Agiasos, Agiokampos, Agios Kirykos, Agios Konstantinos, Agios Stefanos, Adendro, Aianteio, Aigina, Aliartos, Ampelakia, Ampelonas, Amfikleia, Amfissa, Anavyssos, Anoixi, Antimacheia, Apollonia, Aridaia, Arkitsa, Arnaia, Assos, Atalanti, Avlonas, Afantou, Vathy, Varda, Vasilika, Velika, Velo, Vrasna, Vrachati, Vrachnaiika, Galatades, Gargalianoi, Gastouni-Vartholomio, Glyka Nera, Goumenissa, Dilesi, Dionysos, Domokos, Drosia (EL24200401), Drosia (EL30007701), Eretria, Zagkliveri, Zagora, Zaros, Zevgolateio, Irakleia, Thespies, Iasmos, Ithaki, Istiaia, Kainourgio, Kalyves Chalkidikis, Kalyvia Thorikou (Lagonisi), Kanallaki, Kapandriti, Karyotissa, Katochi, Kato Sotiritsa, Kentavros, Kefalos, Keramoti, Kitsi, Kompoti, Konitsa, Kopanos, Kranea Elassonas, Kranidi, Kryoneri, Kyriakio, Lagyna, Lardos, Levidi, Lechaio, Leonidio, Livanates, Limenaria, Louros, Loutra Aidipsou, Lygourio, Marathonas, Markopoulo Oropou, Martino, Megali Panagia, Megalopoli, Meliki, Menidi, Moires, Mouzaki, Molos, Nea Vyssa, Nea Zichni, Nea Palatia, Nea Styra, Neapoli (EL43200601), Nemea, Neo Souli, Neochori, Neochorio, Nigrita, Nikaia, Oichalia, Orchomenos, Paiania, Palaia Fokaia, Palamas, Pallini, Panaitolio, Paralia Avlidas, Paramythia, Patitiri, Pella, Plaka Dilesi, Polichnitos, Polygyros, Poros-Galatas, Potos, Rodolivos, Rodopoli, Sappes, Saronida, Selinia, Siatista, Sidirokastro, Sochos, Spata, Spetses, Stamata, Stavros, Syvota, Sykourio, Symi, Tinos, Tychero, Hydra, Fanari, Chalkidona, Chalkoutsi and Psachna;

pursuant to Articles 5 and 10 of, and section B of Annex I to, Directive 91/271, as amended, in the agglomeration of Gerakas;

pursuant to Articles 7 and 10 of, and section B of Annex I to, Directive 91/271, as amended, in the agglomerations of Agioi Theodoroi, Agios Nikolaos (EL24201702), Archangelos, Astakos, Astros, Vasiliko, Galaxidi, Diakopto, Karystos, Longos, Nea Anchialos, Samos and Selianitika;

2.

Orders the Hellenic Republic to pay the costs.


(1)  OJ C, C/2025/538.


ELI: http://data.europa.eu/eli/C/2026/3813/oj

ISSN 1977-091X (electronic edition)


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