2 plants indexed.
UWWTP Nova Zagora serves approximately 22,000 people in Nova Zagora, Bulgaria. The plant operates under Bulgaria's implementation of the EU Urban Waste Water Treatment Directive.
UWWTP Sliven serves the city of Sliven, Bulgaria, with a population equivalent of 93,614. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.