Giano dell'Umbria Bastardo Wastewater Treatment Plant, Bastardo, Umbria

Giano dell'Umbria Bastardo is an advanced wastewater treatment plant located in Bastardo, a frazione of Giano dell'Umbria in the Umbria region of central Italy. The plant serves a population of approximately 2,494 people, reflecting its role in managing domestic wastewater for this small inland community. Its location in the Tiber River basin places it within a region known for its rolling hills and historic towns. The plant employs advanced treatment processes, which go beyond the secondary treatment standard 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 water bodies. The plant's designed capacity of 2,500 cubic meters per day aligns with the population served, and the current discharge volume of 493.72 cubic meters per day indicates operational headroom. The treated effluent is discharged into local watercourses that ultimately feed into the Tiber River, which flows through Umbria and Lazio before reaching the Tyrrhenian Sea near Rome. The Tiber basin supports diverse aquatic ecosystems and is a critical water resource for agriculture and urban areas downstream. By providing advanced treatment, the plant helps reduce nutrient loads and protect water quality in this ecologically and economically important river system.

The plant discharges into the Tiber River basin, which drains central Italy and flows into the Tyrrhenian Sea. The Tiber supports a variety of fish species and is an important migratory corridor for birds. Downstream, the river passes through agricultural areas and the city of Rome, where water quality is critical for both human use and ecological health. Advanced treatment at this plant helps minimize nutrient pollution, which can cause eutrophication in coastal waters.