IDL_MOLINONE, Castel del Piano

Overview

IDL_MOLINONE is a secondary wastewater treatment plant serving Castel del Piano in Tuscany, Italy. It treats wastewater from approximately 4,000 residents with a designed capacity of 4,500 m³/day.

IDL_MOLINONE is a municipal wastewater treatment plant located in Le Conce, near Castel del Piano, within the Unione dei Comuni Montani Amiata Grossetana in the Tuscany region of Italy. The plant serves a population of approximately 4,000 people, reflecting a medium-sized agglomeration typical of inland Italian communities. The plant provides secondary treatment, which is the standard required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. With a designed capacity of 4,500 m³/day and a current discharge volume of about 794 m³/day, the plant operates well below its maximum capacity, indicating room for future growth or seasonal variations. The treated effluent is discharged into the local watershed, which ultimately drains into the Tyrrhenian Sea via the Ombrone River basin. The plant plays a key role in protecting the region's water quality, supporting both local ecosystems and downstream environments.

Environmental context

The plant discharges into the Ombrone River basin, which flows through southern Tuscany and empties into the Tyrrhenian Sea. This watershed supports diverse aquatic life and is important for regional agriculture and tourism. The secondary treatment helps reduce nutrient loads and organic pollutants, safeguarding the ecological health of the river and coastal waters.

Frequently asked questions

IDL_MOLINONE is located in Le Conce, near Castel del Piano, in the province of Grosseto, Tuscany, Italy.

The plant serves approximately 4,009 people, making it a medium-sized agglomeration under EU classification.

IDL_MOLINONE provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive for plants serving between 2,000 and 10,000 population equivalents.

The treated effluent is discharged into the local watershed, which flows into the Ombrone River basin and eventually reaches the Tyrrhenian Sea.

As an Italian plant, IDL_MOLINONE operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size and requires compliance with national water quality standards.