Meyrin, Carouge, Lancy and the Ville de Genève have filed or are preparing recourses with the cantonal Constitutional Chamber to overturn a new Geneva law that limits what may be worn in public pools.
The law, which entered into force at the end of May, requires swimwear with a maximum length above the knees and bare arms. The communes say the measure clashes with their responsibility to promote public-health objectives at the municipal level and would force them to ban anti-UV clothing they currently allow.
The challengers argue anti-UV garments are a recognised prevention measure against the harmful effects of the sun and help fight skin cancer, and they want to continue permitting such clothing in municipal pools. They also contend that management of public pools falls under communal competences, a point at the heart of their constitutional claims.
Vernier paved the way for the current round of litigation: at the beginning of June the Ville de Vernier filed a separate recourse with the Constitutional Chamber, calling the law "floue et inapplicable" and invoking the absence of a clearly identified public interest and the possible impact on health. Vernier’s action signalled that other communes were likely to follow.
The four communes frame their challenge as both a defence of local public-health policy and of municipal jurisdiction. They point out that, by removing accepted anti-UV options, the cantonal text would undermine — not advance — the health objectives communes are charged with promoting. That argument sits uneasily beside a separate line of criticism from the cantonal executive: the Conseil d'Etat had already criticised the law, saying it violated individual freedom and communal autonomy.
The law itself has a partisan origin. It began as a project from the UDC aimed at penalising the burkini; lawmakers later broadened the wording before the measure became law. That broader formulation is now the subject of the constitutional attacks, which focus on the text’s reach into local pool management and on its public-health consequences.
Officials in the challenging communes are making a narrow legal case: they contend the canton has overstepped on matters that municipal authorities routinely regulate, and that the practical effect of the rule — forcing swimmers to remove anti-UV garments — would run counter to skin-cancer prevention practices. The filings therefore mix competence questions with technical-health claims rather than framing the dispute solely in cultural or moral terms.
The cantonal Constitutional Chamber must now decide whether to admit the recourses and, if it does, to rule on the law’s compatibility with the cantonal constitution. There is no set public schedule for hearings yet; the procedural clock begins with the Chamber’s docketing of the cases and the exchange of written briefs.
The outcome matters for residents who use municipal pools and for the communes that run them: a decision upholding the law would force local authorities to change pool rules and enforcement, while a ruling in favour of the communes would reaffirm municipal discretion over pool dress codes and preserve the availability of anti-UV clothing in those facilities.
The legal fight will unfold while the city continues to host its spring-summer sporting calendar — a reminder that Geneva remains occupied with both public events and the local disputes that shape daily life; see, for example, recent coverage of the Geneva Open semifinals where Learner Tien faces Alexander Bublik, Casper Ruud plays Mariano Navone, and Ruud was favored on fast clay in earlier rounds (
The most consequential unanswered question is procedural and constitutional: will the Constitutional Chamber accept the communes’ arguments that the law is incompatible with their public-health duties and with communal autonomy, or will it defer to the canton’s new uniform standard for pool attire? The Chamber’s decision will determine whether local pool managers may keep allowing anti-UV clothing or must follow the canton’s stricter dress code.
