Overview
UWWTP Devnya serves the town of Devnya in Varna Province, Bulgaria. The plant is designed with a capacity of 1.00 and operates under the EU Urban Waste Water Treatment Directive.
UWWTP Devnya is a municipal wastewater treatment plant located in the Izvorite district of Devnya, Varna Province, Bulgaria. It serves a population of approximately 13,514 people, placing it in the medium agglomeration category under EU classification. The plant is situated inland, more than 50 km from the Black Sea coast. The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. Bulgaria has transposed the directive into national law, and plants serving over 10,000 population equivalent must meet secondary treatment standards as a minimum. The treated effluent from UWWTP Devnya is discharged into the local watershed, which ultimately drains into the Black Sea via the Kamchiya River system. The Kamchiya River and its associated wetlands support diverse aquatic life and provide important ecological functions in the region. The plant plays a key role in protecting downstream water quality and the sensitive coastal environment of the Black Sea.
Environmental context
UWWTP Devnya discharges into the local watershed that feeds the Kamchiya River, one of Bulgaria's major rivers, which flows into the Black Sea. The Kamchiya River basin supports diverse aquatic habitats and is an important migratory corridor for fish species. The Black Sea coastal zone is ecologically sensitive, with unique marine biodiversity. Proper wastewater treatment at UWWTP Devnya helps reduce nutrient and pollutant loads, protecting both the riverine and marine environments from eutrophication and contamination.
Frequently asked questions
UWWTP Devnya is located in the Izvorite district of Devnya, Varna Province, Bulgaria. The plant serves the town of Devnya and surrounding areas.
UWWTP Devnya serves approximately 13,514 people, classifying it as a medium-sized agglomeration under EU regulations.
The treated effluent from UWWTP Devnya is discharged into the local watershed, which flows into the Kamchiya River and eventually reaches the Black Sea.
UWWTP Devnya operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of over 10,000 population equivalent. Bulgarian national regulations implement this directive.
For agglomerations of this size, the EU UWWTD requires at least secondary treatment. In Bulgaria, plants serving over 10,000 population equivalent typically employ biological treatment processes to meet the directive's standards.
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