Colmar: The secrets of the Illéa decontamination station revealed to the public

A dive into the wastewater process. As in the first edition, the public discovered the innards of the plant, as well as its little secrets to avoid being noticed. No noise, no odors, and yet, Illéa decontaminates the water of more than 142,000 residents in 44 municipalities and produces more than 16,000 tons of raw sludge per year, the...

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