2 plants indexed.
AIDA_PIANEZZA wastewater treatment plant serves Rosta, Piemonte, Italy, with a population equivalent of 54,838. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
COLLEGNO wastewater treatment plant serves Rosta, Piemonte, Italy, with a population equivalent of 166,585. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations over 150,000 PE.