Brown challenge drives wave of pool closures in Spain, sparks debate over penalties

Over 300 closures in 2025 as the 'brown challenge' empties public pools again this summer: the battle over sanctions.

English · Original discussion in Spanish · Published

The 'brown challenge' empties pools and is now a public health problem

This summer, the hottest on record, the so-called 'brown challenge' has returned to municipal pools in several Spanish regions. The trend - defecating in the water or dumping faeces to force a closure and film it - led to more than 300 closures in 2025, and this year the figure is soaring again. "With this heat, you can't swim because of some prankster," a Madrid resident told Cadena SER.

A prank with an economic cost

Every incident forces the facility to close, drain and disinfect. The cost falls on town councils and on swimmers left without the service, right in the middle of a heatwave. In the Valencian Community, towns such as Silla have already come under siege. Behind it all is not an isolated act but a viral dynamic that rewards the perpetrator with attention.

The debate over sanctions

While some demand prison sentences for endangering public health - arguing that only then will those who see it as a game be deterred - others play it down, recalling that "the 80s were worse." The result is growing distrust of public pools and a legal vacuum no one has managed to close. Every summer, the debate stalls on the same question: what will it take for the 'brown challenge' to stop paying off on social media?

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Summary of a discussion on Burbuja.info - Foro de economía, actualidad y política., translated from Spanish and reviewed before publication. Read the full discussion (16 replies).

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