Using drinking water to water green spaces, clean your car or flush the toilet may seem absurd.
However, in France, it is the norm.
Could we not use "less clean" water for this type of use in order to save drinking water?
Why not take advantage of wastewater from industry or the residential sector (sinks, toilets, washing machines)?
Currently, these are discharged into nature after being cleaned up in one of the 20,000 treatment plants.
Their reuse (or "REUT" for "reuse of treated wastewater", pronounced "réut'" in the jargon) consists in administering an additional treatment to them before using them again to irrigate crops, fight fires or clean roads,
Less than 1% of wastewater is reused in France, compared to 8% in Italy, 14% in Spain… and more than 85% in Israel!
Why such a difference ?…
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