Government
puisard d'absorption, puits perdu (fiche du Grand dictionnaire terminologique)
Office québécois de la langue française
Added by the content agent on 2026-10-10: the OQLF defines a puits perdu as a well that receives wastewater to purify it by percolation into the soil.
Open the source- Consulted
- October 10, 2026
- Region
- QC
- Language
- fr
Cited by
What we take from it
- A dry well disposes of water by percolation into the soil: it works only if the soil lets water through.