IMPIANTO C DA SENIA Wastewater Treatment Plant, Giuliana, Sicily

IMPIANTO C DA SENIA is a municipal wastewater treatment plant located in Giuliana, a town in the province of Palermo, Sicily, Italy. The plant serves a population of approximately 3,365 residents, classifying it as a small agglomeration under Italian and EU regulations. The plant provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for freshwater discharges from agglomerations of this size. Its design capacity is 3,500 m³/day, with an average daily discharge volume of 666.15 m³, indicating operational headroom. Treated effluent from the plant is discharged into the local watershed, which ultimately drains into the Mediterranean Sea. The plant plays a key role in protecting the region's water quality, particularly given Sicily's Mediterranean climate and the ecological sensitivity of coastal and inland waters.

The plant discharges into the local drainage network within the Sicilian interior, which flows toward the Mediterranean Sea. The region's watersheds support diverse aquatic life and are important for agriculture and tourism. Proper treatment helps prevent nutrient pollution and protects downstream coastal ecosystems.