DEP_COM_BOLZELLA Wastewater Treatment Plant, Allumiere, Lazio, Italy

DEP_COM_BOLZELLA is an advanced wastewater treatment plant located in Allumiere, a town in the Lazio region of Italy. The plant serves a population of approximately 4,100 residents and is situated near the Tyrrhenian coast, within 10 kilometers of the sea. It operates as part of the municipal wastewater infrastructure for the area. The plant employs advanced treatment processes, which go beyond secondary treatment to remove nutrients and other pollutants. With a designed capacity of 6,000 cubic meters per day, it currently treats an average daily flow of 811.65 cubic meters, indicating ample reserve capacity. As an Italian facility, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates advanced treatment for sensitive areas and agglomerations of this scale. The treated effluent is discharged into the local watershed, which ultimately drains into the Tyrrhenian Sea. This coastal discharge requires careful management to protect marine ecosystems, including seagrass meadows and coastal habitats. The plant's advanced treatment helps minimize nutrient loading and supports the ecological health of the receiving waters.

The plant discharges into the local drainage network that flows to the Tyrrhenian Sea, a semi-enclosed basin of the Mediterranean Sea. The coastal waters near Allumiere support diverse marine life, including fish nurseries and benthic communities. Advanced treatment reduces nutrient and pollutant loads, helping to prevent eutrophication and protect the sensitive coastal ecosystem.