The Llobregat is a 156 km long river, which supplies 35% of the Barcelona's drinking water needs from the Sant Joan Despí Water Treatment Plant. Since the establishment of the Salt Mine Works in the Llobregat basin in 1923, a progressive salinization of the water sources has been recorded. The operation of the Brine Collector, as a public work carried out by Aigües de Barcelona (AGBAR), started in 1989; it enabled a very significant improvement in the quality of the surface water used for drinking-water production.
Research Article|November 01 1994
Jordi Martín-Alonso; Barcelona's water supply improvement: the brine collector of the Llobregat river. Water Sci Technol 1 November 1994; 30 (10): 221–227. doi: https://doi.org/10.2166/wst.1994.0531
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