DIANO SAN PIETRO Wastewater Treatment Plant, Diano San Pietro, Liguria

The DIANO SAN PIETRO wastewater treatment plant is located in Diano San Pietro, a town in the Province of Imperia, Liguria, Italy. The plant serves a population of 3,250 and is situated near the Ligurian coast, less than 10 km from the sea. It is part of the municipal wastewater infrastructure for the area. The plant provides secondary treatment, which is the standard biological treatment required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. The designed capacity is 4,000 m³/day, with a reported discharge volume of 643.39 m³/day, indicating operational capacity well within design limits. The plant operates under Italian national regulations implementing EU directives. Treated wastewater is discharged into the local watershed, which drains into the Ligurian Sea, part of the Mediterranean Sea. The coastal environment supports diverse marine life and is important for tourism and fisheries. The plant's proximity to the coast underscores the need for effective treatment to protect coastal water quality.

The plant discharges into the local drainage basin that flows into the Ligurian Sea, a part of the Mediterranean Sea. The coastal waters in this region support diverse marine ecosystems, including seagrass meadows and fish nurseries. Effective wastewater treatment is crucial to prevent nutrient enrichment and protect the ecological balance of the coastal zone.