Overview
UWWTP Kyustendil serves the city of Kyustendil, Bulgaria, with a population of approximately 47,571. The plant discharges treated wastewater into the local watershed, contributing to the Struma River basin.
UWWTP Kyustendil is a municipal wastewater treatment plant located in the Iztok district of Kyustendil, Bulgaria. It serves a population of around 47,571, placing it in the medium agglomeration category under Bulgarian and EU regulations. The plant is situated inland, away from coastal areas, and its operations are part of the country's efforts to comply with EU environmental standards. As a facility serving a medium-sized agglomeration, UWWTP Kyustendil is expected to meet the requirements of the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for inland plants of this scale. The plant's treatment processes and capacity are aligned with national regulations, ensuring that effluent quality meets the necessary standards before discharge. The treated wastewater from UWWTP Kyustendil is discharged into the local water system, which ultimately flows into the Struma River. The Struma River is a significant watercourse in the Balkans, draining into the Aegean Sea. The plant plays a crucial role in protecting the Struma River's water quality and supporting the ecological health of the downstream environment, including habitats for diverse aquatic species.
Environmental context
UWWTP Kyustendil discharges into the Struma River basin, which flows through southwestern Bulgaria and into Greece before reaching the Aegean Sea. The Struma River supports a variety of aquatic life and is an important migratory corridor for fish. The plant's operations help maintain water quality in this transboundary river system, reducing nutrient and pollutant loads that could impact downstream ecosystems and coastal waters.
Frequently asked questions
UWWTP Kyustendil is located in the Iztok district of Kyustendil, Bulgaria, at coordinates 42.303 N, 22.715 E.
The plant serves approximately 47,571 people, classifying it as a medium-sized agglomeration under EU regulations.
The treated wastewater is discharged into the local water system, which flows into the Struma River basin, ultimately reaching the Aegean Sea.
As a Bulgarian plant, UWWTP Kyustendil operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for inland plants serving populations over 10,000.
For medium agglomerations like Kyustendil, Bulgarian regulations mandate at least secondary treatment to reduce organic matter and suspended solids, in line with EU standards.
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