Rainwater is indeed not drinkable because of its “microbiological and chemical contamination” and its use inside buildings, such as a house, involves a different channel than that of water from the public network.
Article 49 of the law on water and aquatic environments of December 30, 2006, and applied since August 21, allows many French people to benefit from a tax credit for water recovery. rain. However, this “ecological” approach, in these times of water scarcity, is subject to strict hygiene rules, recalls the DGS.
According to her, “rainwater is not drinkable because it has microbiological and chemical contamination above the quality limits adopted for drinking water distributed by the public network”.
In addition, the French wishing to use rainwater inside their home, in particular to supply the toilet flush or the washing machine, must imperatively install a different pipe from the one. of the public water network.
Otherwise, “in the event of a connection, the risk would be twofold: the risk that a person could drink the rainwater and, more seriously, that the public drinking water network would be contaminated by drinking water. rain on the occasion of a pressure drop “.
