Number of wastewater treatment plants (urban - secondary treatment of plants) reached 1,617 in 2009 in Portugal, according to Eurostat. This is 7.66% more than in the previous year.
Historically, Number of Wastewater Treatment Plants (Urban - secondary treatment of plants) in Portugal reached an all time high of 1,617 in 2009 and an all time low of 674 in 2006.
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