Overview
DP01401101_CAIOLO_CENTRO is an advanced wastewater treatment plant in Caiolo, Lombardy, Italy, serving 824 people. It discharges 163.12 cubic meters of treated wastewater daily.
DP01401101_CAIOLO_CENTRO is an advanced wastewater treatment plant located in Caiolo, a municipality in the Valtellina valley of Lombardy, Italy. The plant serves a small population of 824 residents, reflecting its role in a rural alpine community. Its advanced treatment level ensures high-quality effluent suitable for discharge into sensitive mountain environments. The plant operates under Italy's implementation of the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations above 2,000 population equivalent. Although Caiolo falls below this threshold, the plant's advanced treatment exceeds regulatory minimums, likely due to local environmental sensitivity. The designed capacity of 824 cubic meters per day matches the population served, indicating efficient sizing. The treated wastewater is discharged into local watercourses that feed the Adda River, which flows through Valtellina into Lake Como. This alpine watershed supports diverse aquatic life and is important for regional water quality. The advanced treatment helps protect downstream ecosystems and recreational uses of Lake Como.
Environmental context
The plant discharges into the Adda River basin, which flows through the Valtellina valley into Lake Como, a deep subalpine lake. The watershed supports sensitive aquatic habitats, including cold-water fish species. Advanced treatment reduces nutrient loading, protecting Lake Como from eutrophication and maintaining its ecological integrity.
Frequently asked questions
The plant is located in Caiolo, a municipality in the province of Sondrio, Lombardy, Italy. It sits in the Valtellina valley along the Adda River.
The plant serves a population of 824 people, making it a small-scale facility for a rural alpine community.
The plant provides advanced treatment, which goes beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive for agglomerations of this size.
Italy implements the EU Urban Waste Water Treatment Directive (91/271/EEC), which sets treatment standards based on population equivalents. For small agglomerations under 2,000 PE, appropriate treatment is required to protect receiving waters.
The treated effluent enters the Adda River basin, which flows into Lake Como. This watershed supports diverse aquatic life and is ecologically sensitive, making advanced treatment important for water quality.
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