5. The special case of dry toilets

5.1 Principle

One of the innovations of the decree of September 7, 2009, establishing the technical requirements applicable to on-site wastewater treatment systems receiving a gross organic pollution load of 1.2 kg/day of BOD₅ or less, is to authorize and regulate specifically dry toilets as a sustainable on-site sanitation technology for single-family homes.

This is not about temporary dry toilets—the kind used at large events—but rather about facilities designed for long-term use on a specific plot of land.

Article 17 of this order states that:

"So-called dry toilets (which do not use water for flushing or drainage) are permitted, provided they do not cause any nuisance to the neighborhood, discharge any...