CODOGNE_ZI_CIMAVILLA Wastewater Treatment Plant, Cimavilla, Veneto, Italy

CODOGNE_ZI_CIMAVILLA is a wastewater treatment plant located in the industrial zone of Cimavilla, a locality in the municipality of Codognè, in the Veneto region of northern Italy. The plant serves a small population of 133 people, reflecting its role in a rural or small-scale industrial area. It operates under Italy's implementation of the EU Urban Waste Water Treatment Directive (91/271/EEC), which sets standards for collection and treatment based on agglomeration size. The plant provides secondary treatment, which typically involves biological processes to reduce organic matter and suspended solids. With a designed capacity of 300 m³/day and an actual discharge volume of 26.33 m³/day, the plant operates well below its capacity, indicating potential for future growth or seasonal variations. As a small plant serving fewer than 2,000 population equivalents, it is subject to less stringent requirements under the directive, but secondary treatment ensures compliance with basic environmental standards. The treated effluent is discharged into local watercourses that ultimately drain into the Adriatic Sea via the Piave River basin. The Veneto region is known for its agricultural landscape and proximity to the Venetian Lagoon, a sensitive ecosystem. The plant's location more than 10 km from the coast reduces direct marine impact, but its discharge contributes to the overall water quality in the Piave watershed, which supports diverse aquatic life and irrigation needs.

The plant discharges into local streams that flow into the Piave River, which runs from the Alps to the Adriatic Sea near Venice. The Piave basin supports agricultural irrigation and freshwater habitats. Downstream, the Venetian Lagoon is a shallow, brackish ecosystem of high ecological value, hosting migratory birds and fish species. Secondary treatment helps reduce nutrient loads that could contribute to eutrophication in the lagoon.