The Operation, Conservation And Maintenance Service Of The Brine Collector In The Llobregat Basin Is An Essential Service To Be Contracted By The Catalan Water Agency Since The Achievement Of A Good State Of The Surface Water That Guarantees Its Subsequent Potability Is A Service Of General Interest. The Interruption Of This Service May Endanger The Supply Of Drinking Water Or Harm The Health And/Or Well-Being Of A Large Part Of The Population Of Catalonia, Especially That Which Is Supplied With Water From The Etap Of Atl And Sgabsa, While It May Also Have Criminal Consequences For Environmental Crime.