Number of wastewater treatment plants (urban - tertiary treatment of which phosporus removal of plants) reached 478 in 2013 in Switzerland, according to Eurostat. This is 0% more than in the previous year.
Historically, Number of Wastewater Treatment Plants (Urban - tertiary treatment of which phosporus removal of plants) in Switzerland reached an all time high of 478 in 2013 and an all time low of 478 in 2013.
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