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Around 30 billion m 3 of freshwater are abstracted in mainland France (depending on the year), of which around 18% is used for drinking water supply.
2/3 of drinking water is produced from groundwater and 1/3 from surface water.
38,000 water catchments (95% groundwater and 5% surface water), 90% of which produce only 21% of volumes.
80% of surface water resources for drinking water supply are running water (rivers, canals) and 20% stagnant water (including 13% from dams and reservoirs).
145 liters of drinking water are used per capita per day, a value that has remained relatively stable...
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"Water technologies"
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