Overview
SILEA VIA DUCA D'AOSTA LOC S. ELENA is a secondary treatment plant in Casale sul Sile, Veneto, Italy, serving 1,545 people. It discharges treated wastewater near the Sile River, within 10 km of the Adriatic coast.
SILEA VIA DUCA D'AOSTA LOC S. ELENA is a municipal wastewater treatment plant located in Casale sul Sile, in the Veneto region of northeastern Italy. The facility serves a small population of approximately 1,545 residents, reflecting the rural character of the area within the Province of Treviso. The plant is situated along the Alzaia del Sile, near the Sile River, and lies within 10 kilometers of the Adriatic Sea, placing it in a coastal-sensitive zone. The plant provides secondary treatment, which is the standard biological treatment required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations with a population equivalent between 2,000 and 10,000. Although the plant's population served is below 2,000, its coastal location means it must meet stringent discharge standards to protect sensitive marine environments. The designed capacity of 1,860 cubic meters per day indicates the plant has headroom for future growth, while the current discharge volume of 305.86 cubic meters per day suggests operational efficiency. The treated effluent is discharged into the Sile River basin, which flows into the Venetian Lagoon and ultimately the Adriatic Sea. This coastal ecosystem supports diverse aquatic life and is an important migratory corridor for fish species. The plant's proximity to the coast underscores the need for effective nutrient removal to prevent eutrophication in the sensitive lagoon environment, a key concern under the EU Water Framework Directive.
Environmental context
The plant discharges into the Sile River, which flows through the Veneto plain into the Venetian Lagoon, a shallow coastal lagoon of high ecological value. The lagoon supports diverse aquatic life, including seagrass meadows and fish nurseries, and is an important stopover for migratory birds. The proximity to the Adriatic Sea means that nutrient-rich discharges could contribute to eutrophication in the coastal zone, making effective secondary treatment critical for maintaining water quality.
Frequently asked questions
The plant is located in Casale sul Sile, in the Veneto region of northeastern Italy, along the Alzaia del Sile in the locality of Lughignano.
The plant serves approximately 1,545 people, making it a small-scale municipal facility for the local community.
The plant discharges treated effluent into the Sile River basin, which flows into the Venetian Lagoon and then the Adriatic Sea.
As an Italian plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which sets standards for secondary treatment and discharge quality, especially in coastal areas.
For small agglomerations under 2,000 population equivalent, Italian regulations require appropriate treatment to meet local water quality objectives, often secondary treatment or equivalent, with additional nutrient removal in sensitive coastal zones.
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