Porto Rotondo Centro3 Olbia Wastewater Treatment Plant, Olbia, Sardinia

Porto Rotondo Centro3 Olbia is an advanced wastewater treatment plant located in the coastal town of Porto Rotondo, part of the Olbia municipality in the Sardinia region of Italy. The plant serves a population equivalent of 1,000, reflecting its role in managing wastewater from a small coastal community. The plant employs advanced treatment processes, ensuring a high level of effluent quality. With a designed capacity of 1,000 m³/day and a reported discharge volume of 197.96 m³/day, it operates well within its capacity. As an Italian facility, it operates under the national implementation of the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates appropriate treatment levels for sensitive coastal areas. The treated effluent is discharged into the coastal waters of the Tyrrhenian Sea, a part of the Mediterranean Sea. The plant's location within 10 km of the coast underscores the importance of advanced treatment to protect marine water quality and the local tourism-dependent economy. The surrounding area includes the Porto Rotondo marina and beaches, which rely on clean coastal waters.

The plant discharges into the Tyrrhenian Sea, a basin of the Mediterranean Sea. The coastal waters near Porto Rotondo support diverse marine life and are important for tourism and recreation. Advanced treatment helps minimize nutrient loading and pathogen release, protecting seagrass meadows and fish habitats in this ecologically sensitive coastal zone.