Overview
UWWTP Dobrich serves approximately 110,880 people in Vrachantsi, Bulgaria. The plant operates under EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this scale.
UWWTP Dobrich is a municipal wastewater treatment plant located in Vrachantsi, Dobrich Province, Bulgaria. It serves a population of approximately 110,880, classifying it as a large agglomeration under EU regulations. The plant is situated inland, more than 50 km from the coast, and its treated effluent is discharged into local water bodies that eventually drain into the Black Sea. As a large agglomeration under the EU Urban Waste Water Treatment Directive (91/271/EEC), UWWTP Dobrich is required to provide secondary treatment as a minimum. For sensitive areas, tertiary treatment may be mandated. The plant's designed capacity is 1.00 (likely in cubic meters per day or similar unit), indicating its scale. The operational status and treatment level are consistent with regulatory expectations for facilities of this size in Bulgaria. The plant's discharge contributes to the protection of downstream water quality in the region. The receiving water body ultimately flows into the Black Sea, a semi-enclosed sea with sensitive ecosystems. Effective treatment at UWWTP Dobrich helps reduce nutrient loads and pollutants, supporting the ecological health of the Black Sea coastal zone and its biodiversity.
Environmental context
UWWTP Dobrich discharges into local watercourses that drain into the Black Sea via the Dobrich region's river network. The Black Sea is a semi-enclosed sea with limited water exchange, making it vulnerable to eutrophication from nutrient pollution. The plant's treatment performance is critical for maintaining water quality in downstream rivers and the coastal zone, which supports diverse aquatic life and is an important migratory corridor for fish and birds.
Frequently asked questions
UWWTP Dobrich is located in Vrachantsi, Dobrich Province, Bulgaria. It serves the surrounding urban area as part of the municipal wastewater infrastructure.
UWWTP Dobrich serves approximately 110,880 people, classifying it as a large agglomeration under EU regulations.
The plant discharges treated effluent into local watercourses that eventually drain into the Black Sea. The regional drainage network flows toward the Black Sea coast.
As a large agglomeration serving over 100,000 people, UWWTP Dobrich is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment as a minimum. In sensitive areas, tertiary treatment for nutrient removal may be required.
For agglomerations of this size in Bulgaria, typical treatment includes secondary biological treatment, often with nutrient removal to meet EU standards. Plants may also incorporate tertiary treatment depending on the sensitivity of the receiving water body.
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