2 plants indexed.
Le Mesnil en Thelle wastewater treatment plant serves Persan, France. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
PERSAN wastewater treatment plant serves Persan, Val-d'Oise, France, treating wastewater for approximately 34,583 people. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this sc