Question 804 — water and sanitation

Summary

Ms. Laurence Maillart-Méhaignerie questions the Minister of Ecological Transition and Territorial Cohesion on the means to promote the installation of hydro-saving equipment and taps, in a context of strong tension on water resources. The prefect of Ille-et-Vilaine notably issued, on May 24, 2022, a first “drought alert” decree, a sign of a sharp deterioration in the availability of water resources. The year 2022 already ranks among the three driest years that Ille-et-Vilaine has experienced since 1959. Despite this emergency situation, the water ambassadors of the Eau du bassin Rennais community reveal that the majority of households are not equipped with hydro-saving equipment, although they are eligible for the energy savings certificate system. The services of the Water community of the Rennes basin make the observation, with large retailers of tapware equipment for individuals, that the taps and showers sold today still consume far too much water compared to the recommended flow rates. This situation is also found in new homes where the range of taps installed is very often highly consuming, without taking into account the high environmental quality benchmark published by the Center science and technology of building. Also, she asks him to kindly indicate what means could be implemented to impose more restrictive water saving criteria or standards for faucet elements in new installation or over the counter, (8L/min maximum for a hand shower, 6L/min maximum for the kitchen sink faucet and 4L/min for the bathroom sink faucet); this obligation would make it possible to usefully preserve water resources while limiting citizens' water charges, without affecting user comfort.

Machine translation from French. The official text remains authoritative.

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