Overview
Polychrono wastewater treatment plant serves the Pallini municipal unit in Kassandra, Halkidiki, Greece. It treats wastewater from a population of approximately 10,386 people.
Polychrono wastewater treatment plant is located in the coastal area of Polychrono, within the Pallini municipal unit of Kassandra, Halkidiki, in the Central Macedonia region of Greece. The plant serves a population of about 10,386 people, making it a medium-sized agglomeration under Greek and EU classification. As a Greek facility, the plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size discharging into coastal waters. The directive also mandates more advanced treatment if the receiving area is designated as sensitive. The treated effluent is discharged into the coastal waters of the Aegean Sea, specifically the Toroneos Gulf. This area supports diverse marine life and is important for local tourism and fisheries. The plant plays a key role in protecting the coastal environment from untreated wastewater pollution.
Environmental context
The plant discharges into the Toroneos Gulf of the Aegean Sea, a semi-enclosed basin with limited water exchange. The coastal waters support seagrass meadows and are important for fish spawning and tourism. Proper treatment is essential to prevent eutrophication and maintain water quality for recreational use.
Frequently asked questions
The plant is located in Polychrono, within the Pallini municipal unit of Kassandra, Halkidiki, in the Central Macedonia region of Greece.
The plant serves approximately 10,386 people, classifying it as a medium-sized agglomeration under EU standards.
The treated effluent is discharged into the coastal waters of the Toroneos Gulf in the Aegean Sea.
As a Greek facility, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size discharging into coastal waters.
Under the EU Urban Waste Water Treatment Directive, plants serving between 2,000 and 15,000 population equivalent typically require secondary treatment, unless the receiving waters are sensitive, in which case tertiary treatment may be needed.
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