Overview
Porto Tolle Via Venezia is a secondary wastewater treatment plant in Donzella, Veneto, Italy, serving a small population of 59. It discharges treated effluent near the Adriatic coast.
Porto Tolle Via Venezia is a municipal wastewater treatment plant located in Donzella, a frazione of Porto Tolle in the Veneto region of Italy. The plant serves a small population of 59 people, reflecting its role in a rural or sparsely populated area of the Po Delta. Its address on Via Antonio Gramsci places it within the municipality of Porto Tolle, in the province of Rovigo. 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 of this size. The designed capacity is 100 cubic meters per day, and the current discharge volume is 11.68 cubic meters per day, indicating low utilization. As a small facility, it operates under Italy's national implementation of the directive, which mandates secondary treatment for all discharges into freshwater and estuaries. The plant's treated effluent is discharged into the local drainage network, which ultimately flows into the Adriatic Sea via the Po River delta. The Po Delta is a ecologically sensitive area, supporting diverse aquatic life and serving as an important migratory corridor for birds. The proximity to the coast (within 10 km) means that nutrient removal is critical to prevent eutrophication in the Adriatic Sea.
Environmental context
The plant discharges into the Po River delta, a complex system of distributaries and lagoons that drains into the northern Adriatic Sea. The delta is an ecologically sensitive area that supports diverse aquatic life, including fish nurseries and migratory bird populations. Nutrient inputs from wastewater can contribute to eutrophication in the Adriatic, making secondary treatment important for protecting coastal water quality.
Frequently asked questions
The plant is located on Via Antonio Gramsci in Donzella, a frazione of Porto Tolle, in the province of Rovigo, Veneto region, Italy.
The plant serves a small population of 59 people, typical of a rural facility in the Po Delta area.
The plant discharges treated effluent into the local drainage network, which flows into the Po River delta and eventually the Adriatic Sea.
Under the EU Urban Waste Water Treatment Directive (91/271/EEC), small agglomerations like this one (under 2,000 population equivalent) are required to provide appropriate treatment. Secondary treatment meets this requirement for discharges into freshwater and coastal areas.
For very small agglomerations in Italy, secondary treatment is standard, often using biological processes such as activated sludge or trickling filters. The plant's design capacity of 100 m3/day is appropriate for its small service population.
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