Guardavalle Centro Wastewater Treatment Plant, Guardavalle, Calabria, Italy

Guardavalle Centro is a municipal wastewater treatment plant located in Guardavalle, a town in the province of Catanzaro, Calabria, Italy. The plant serves a population of approximately 2,500 people, classifying it as a small agglomeration under Italian and EU regulations. The facility provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for discharges into coastal waters. The plant has a designed capacity of 4,000 cubic meters per day, with an average daily discharge volume of about 495 cubic meters, indicating operational headroom. Treated effluent is discharged into the local watershed, which drains into the Ionian Sea. The coastal environment supports diverse marine life and is an important area for local fisheries and tourism. Proper treatment helps protect water quality and ecosystem health in this Mediterranean coastal zone.

The plant discharges into a small coastal stream that flows into the Ionian Sea near Guardavalle. The Ionian Sea in this region supports seagrass meadows and diverse fish populations, making it ecologically sensitive. The Calabrian coast is also a migratory corridor for marine species, and maintaining low nutrient loads from wastewater is critical to prevent eutrophication and preserve water quality for recreational use.