Number of wastewater treatment plants (urban - secondary treatment of plants) reached 974 in 2012 in Spain, according to Eurostat. This is 0% more than in the previous year.
Historically, Number of Wastewater Treatment Plants (Urban - secondary treatment of plants) in Spain reached an all time high of 1,253 in 2007 and an all time low of 974 in 2012.
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