Overview
UWWTP Pazardzhik serves the city of Sinitsovo, Bulgaria, treating wastewater from approximately 68,473 people. The plant operates under Bulgaria's implementation of the EU Urban Waste Water Treatment Directive.
UWWTP Pazardzhik is a municipal wastewater treatment facility located in Sinitsovo, near Pazardzhik, Bulgaria. It serves a population of approximately 68,473 people, classifying it as a medium-to-large agglomeration under EU standards. The plant is situated in the Pazardzhik Province, an inland region with significant agricultural and industrial activity. As a Bulgarian facility, UWWTP Pazardzhik operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The directive also mandates more stringent treatment if the receiving waters are designated as sensitive areas. The plant's compliance with EU standards ensures a baseline level of treatment appropriate for its population served. The treated effluent from UWWTP Pazardzhik is discharged into local water bodies that ultimately drain into the Maritsa River, one of Bulgaria's major rivers. The Maritsa flows through the Thrace region and eventually reaches the Aegean Sea near the Greek-Turkish border. The plant plays a key role in protecting the Maritsa River basin from nutrient pollution and safeguarding downstream ecosystems.
Environmental context
UWWTP Pazardzhik discharges into the Maritsa River basin, which flows through southern Bulgaria and into the Aegean Sea. The Maritsa is a vital water source for agriculture and supports diverse aquatic life, including several fish species. Downstream, the river passes through ecologically sensitive areas that provide important habitats for migratory birds. The plant's treatment helps reduce nutrient loads that could otherwise contribute to eutrophication in the Aegean coastal zone.
Frequently asked questions
UWWTP Pazardzhik is located in Sinitsovo, near Pazardzhik, in the Pazardzhik Province of Bulgaria.
The plant serves approximately 68,473 people, classifying it as a medium-to-large agglomeration under EU classification.
The treated effluent is discharged into local water bodies that flow into the Maritsa River, which ultimately reaches the Aegean Sea.
As a Bulgarian plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations over 10,000 population equivalent.
Under the EU UWWTD, plants serving over 10,000 people must provide at least secondary treatment. In sensitive areas, more stringent treatment (e. g. , nutrient removal) is required.
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