QUARTU S E ZONE A MARE HOTEL IL CALIFFO Wastewater Treatment Plant, Quartu Sant'Elena, Sardinia

QUARTU S E ZONE A MARE HOTEL IL CALIFFO is a wastewater treatment plant located in Quartu Sant'Elena, on the southern coast of Sardinia, Italy. The plant serves a small population of 280 people, likely associated with the hotel and nearby residential areas. It operates with advanced treatment technology, ensuring high-quality effluent before discharge. The plant has a designed capacity of 325 cubic meters per day, with a current discharge volume of approximately 55.43 cubic meters per day, indicating it operates well below its capacity. As an Italian facility, it falls under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires advanced treatment for sensitive areas and secondary treatment as a minimum. Given its coastal location, the advanced treatment level aligns with the need to protect marine waters. The plant discharges treated wastewater into the coastal waters of the Tyrrhenian Sea, part of the Mediterranean Sea. The surrounding area includes the Gulf of Cagliari, which supports diverse marine life and is important for local fisheries and tourism. The advanced treatment helps minimize nutrient and pollutant loads, protecting the sensitive coastal ecosystem.

The plant discharges into the Tyrrhenian Sea near the Gulf of Cagliari, a coastal area that supports seagrass meadows and diverse marine species. The advanced treatment reduces nutrient inputs, helping to prevent eutrophication and protect the ecological balance of this Mediterranean coastal zone, which is also important for local tourism and fisheries.