treatment plant (Drezet at Férel, Fig. 6.4) was inaugurated in 1972, with a production capacity of 30,000 m
3 of drinking water per day, corresponding to an
instantaneous pumping rate in the reservoir of 1600 m
3 /h. Today, its maximum
production capacity has been increased to 90,000 m
3 per day, corresponding to an
instantaneous pumping rate in the reservoir of 4800 m
3 /h. The water plant supplies
15–20 Mm
3 of freshwater annually. Up to 1 million inhabitants are supplied with
drinking water by the Arzal reservoir during the summer season.
Fig. 6.3 The Arzal dam (Source IAV, with authorization)
Fig. 6.4 The drinking water production plant (Drezet at Férel) that treats the water from the Arzal
reservoir (Source IAV, with authorization)
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