Overview
CDA San Silvestro is a wastewater treatment plant serving Marsala, Sicily, Italy. It serves a population of 42,000 and has a designed capacity of 1.00 (likely million cubic meters per year or similar).
CDA San Silvestro is a wastewater treatment plant located in Contrada San Silvestro, Marsala, in the province of Trapani, Sicily, Italy. The plant serves a population of approximately 42,000 people, placing it in the medium agglomeration category under European Union regulations. As an Italian plant, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size. Typical capacities for plants serving this population range from 10,000 to 20,000 cubic meters per day. The plant's treated effluent likely discharges into the Mediterranean Sea, given its proximity to the coast (within 50 km). The local watershed includes the surrounding agricultural and urban areas of Marsala, and the discharge supports the marine ecosystem of the Strait of Sicily, an important area for biodiversity and fisheries.
Environmental context
The plant is located in western Sicily, within the drainage basin that flows into the Mediterranean Sea near Marsala. The receiving waters are part of the Strait of Sicily, a key marine corridor supporting diverse aquatic life, including migratory fish and sea turtles. The area is ecologically sensitive due to its coastal wetlands and seagrass meadows, which provide nursery habitats for marine species.
Frequently asked questions
CDA San Silvestro is located in Contrada San Silvestro, Marsala, in the province of Trapani, Sicily, Italy.
The plant serves a population of approximately 42,000 people.
The plant likely discharges treated effluent into the Mediterranean Sea, given its coastal proximity in western Sicily.
As an Italian plant, CDA San Silvestro operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations over 10,000 population equivalent.
Plants of this scale in Italy typically provide secondary biological treatment, often with nutrient removal to protect sensitive coastal waters under the EU directive.
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