Treatment capacity of wastewater plants - urban wastewater treatment plants - secondary treatment - effluent bod5 reached 29.1 tonnes of O2/day in 2008 in Portugal, according to Eurostat. This is 6.59% more than in the previous year.
Historically, Treatment Capacity of Wastewater Plants - Urban wastewater treatment plants - secondary treatment - Effluent BOD5 in Portugal reached an all time high of 29.1 tonnes of O2/day in 2008 and an all time low of 14.8 tonnes of O2/day in 1998.
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