3 plants indexed.
UWWTP Sevlievo serves the town of Sevlievo, Bulgaria, with a population of approximately 22,579. The plant operates under Bulgaria's implementation of the EU Urban Waste Water Treatment Directive.
UWWTP Gabrovo serves the city of Gabrovo in central Bulgaria. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
UWWTP Tryavna serves the Tryavna area in Gabrovo Province, Bulgaria. The plant operates under EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this scale.