2 plants indexed.
UWWTP Leiden Noord serves the city of Leiden in Zuid-Holland, Netherlands, treating wastewater for approximately 77,000 people. The plant operates under the EU Urban Waste Water Treatment Directive.
UWWTP Leiden Zuidwest serves approximately 79,000 people in Leiden, Netherlands. The plant operates under the EU Urban Waste Water Treatment Directive, ensuring compliance with secondary treatment standards for inland discharge.