Overview
KATERINI wastewater treatment plant serves the municipality of Dio-Olympos in Pieria, Central Macedonia, Greece. It handles a population equivalent of 125,192 and is located near the Thermaic Gulf coast.
The KATERINI wastewater treatment plant is situated in the municipality of Dio-Olympos, within the Pieria regional unit of Central Macedonia, Greece. It serves a population equivalent of 125,192, classifying it as a large agglomeration under EU regulations. The plant is located near the coast of the Thermaic Gulf, a significant marine environment in the northern Aegean Sea. As a facility serving over 100,000 people, it falls under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment as a minimum and potentially tertiary treatment if the receiving waters are sensitive. The plant's designed capacity is 1. The treated effluent from the plant discharges into the Thermaic Gulf, which is an important marine ecosystem supporting diverse aquatic life and fisheries. The gulf receives inflows from several rivers, including the Aliakmonas and Axios, and is part of the broader Aegean Sea drainage basin. The plant plays a critical role in protecting coastal water quality and marine biodiversity in the region.
Environmental context
The KATERINI plant discharges into the Thermaic Gulf, a semi-enclosed basin of the northern Aegean Sea. This gulf is ecologically sensitive, supporting important fisheries and migratory bird populations. The surrounding watershed includes agricultural and urban areas, making nutrient removal crucial to prevent eutrophication in the coastal marine environment.
Frequently asked questions
The KATERINI plant is located in the municipality of Dio-Olympos, Pieria regional unit, Central Macedonia, Greece, near the coast of the Thermaic Gulf.
The plant serves a population equivalent of 125,192, classifying it as a large agglomeration under EU regulations.
The treated effluent is discharged into the Thermaic Gulf, a coastal marine environment in the northern Aegean Sea.
As a Greek plant serving over 100,000 people, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment and potentially tertiary treatment for sensitive areas.
Under the EU directive, plants of this scale are required to have at least secondary treatment. In coastal areas like the Thermaic Gulf, tertiary treatment may be needed to protect marine water quality.
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