IDL_COLMATA Wastewater Treatment Plant, Montagnano, Toscana

IDL_COLMATA is an advanced wastewater treatment plant located in Montagnano, a locality within the municipality of Monte San Savino in the province of Arezzo, Toscana, Italy. The plant serves a population of approximately 3,099 people and is part of the regional wastewater infrastructure managed under Italian and European regulations. The plant employs advanced treatment processes, ensuring a high level of pollutant removal. It has a designed capacity of 9,000 cubic meters per day and currently discharges an average of 613.49 cubic meters per day, indicating significant spare capacity. As an advanced treatment facility, it meets the stringent requirements of the EU Urban Waste Water Treatment Directive (91/271/EEC) for sensitive areas. The treated effluent is discharged into local water bodies that eventually drain into the Arno River basin and then into the Tyrrhenian Sea. The plant plays a crucial role in protecting the water quality of the region's rivers and the downstream marine environment, supporting aquatic life and reducing nutrient pollution.

The plant discharges into the local drainage network that feeds into the Arno River, one of Italy's major rivers, which flows through Tuscany and empties into the Tyrrhenian Sea near Pisa. The Arno basin supports diverse aquatic ecosystems and is important for agriculture and tourism. The advanced treatment at IDL_COLMATA helps reduce nutrient loading and protects the ecological health of the river and coastal waters.