CASTELLARANO_ROTEGLIA Wastewater Treatment Plant, Castellarano, Italy

CASTELLARANO_ROTEGLIA is a wastewater treatment plant located in the Roteglia area of Castellarano, in the Emilia-Romagna region of northern Italy. The plant serves a population of approximately 3,303 people and has a designed capacity of 4,000 cubic meters per day, with a current discharge volume of 440 cubic meters per day. The plant employs advanced treatment processes, which go beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. Advanced treatment typically includes nutrient removal (nitrogen and phosphorus) to protect sensitive receiving waters. As an Italian facility, it operates under national regulations that implement the EU directive, ensuring high environmental standards. The treated effluent is discharged into the local water system, which ultimately drains into the Secchia River, a tributary of the Po River. The Po River flows into the Adriatic Sea, making the plant's advanced treatment crucial for reducing nutrient loads that could contribute to eutrophication in the Adriatic. The plant plays a key role in protecting the water quality of the Secchia and Po basins.

The plant discharges into the Secchia River, a tributary of the Po River, which flows into the Adriatic Sea. The Po basin is a densely populated and agriculturally intensive region, where nutrient pollution from wastewater is a significant concern. Advanced treatment at this plant helps reduce nitrogen and phosphorus loads, mitigating eutrophication risks in the Adriatic Sea and supporting aquatic life in the Secchia and Po rivers.