Overview
Polykastro wastewater treatment plant serves approximately 9,825 people in the municipality of Paionia, Central Macedonia, Greece. The facility operates under the EU Urban Waste Water Treatment Directive.
The Polykastro wastewater treatment plant is located in the town of Polykastro, within the Paionia municipality in the Kilkis regional unit of Central Macedonia, Greece. It serves a population of about 9,825, classifying it as a medium-sized agglomeration under EU regulations. As a Greek facility, the plant is subject to the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size discharging into freshwater or estuaries. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the Axios River basin and then into the Thermaic Gulf of the Aegean Sea. This coastal discharge area supports diverse marine life and is an important ecological zone in northern Greece.
Environmental context
The Polykastro plant discharges into the Axios River basin, which flows into the Thermaic Gulf in the northern Aegean Sea. This coastal area supports important fisheries and migratory bird populations. The Axios delta is an ecologically sensitive region that benefits from proper wastewater treatment to reduce nutrient loading and protect aquatic habitats.
Frequently asked questions
The Polykastro wastewater treatment plant is located in the town of Polykastro, in the Paionia municipality, Kilkis regional unit, Central Macedonia, Greece.
The plant serves approximately 9,825 people, classifying it as a medium-sized agglomeration under EU standards.
The treated effluent is discharged into the local watershed, which flows into the Axios River basin and ultimately into the Thermaic Gulf of the Aegean Sea.
As a Greek facility, the Polykastro plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this size discharging into freshwater or estuaries.
Under the EU Urban Waste Water Treatment Directive, plants serving between 2,000 and 15,000 population equivalent in sensitive areas typically require secondary treatment, which includes biological treatment to reduce organic matter and nutrients.
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