Overview
DP01210801_OLGIATE_OLONA is a wastewater treatment plant serving Marnate, Lombardia, Italy, with a population equivalent of 91,774. It operates under the EU Urban Waste Water Treatment Directive.
DP01210801_OLGIATE_OLONA is a wastewater treatment plant located in Marnate, in the province of Varese, Lombardia, Italy. The plant serves a population equivalent of 91,774, classifying it as a large agglomeration under EU regulations. It is situated inland, more than 50 km from the coast. As a plant serving over 10,000 people in Italy, it is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment as a minimum. For agglomerations of this size in sensitive areas, tertiary treatment may be required to reduce nutrients. The treated effluent is discharged into local water bodies that ultimately drain into the Po River basin and the Adriatic Sea. The plant plays a key role in protecting the water quality of the region's rivers and downstream ecosystems, supporting both human use and aquatic life.
Environmental context
The plant discharges into the local hydrographic network within the Po River basin, which flows eastward into the Adriatic Sea. This watershed supports diverse aquatic life and is an important agricultural and industrial region. The plant's operations help mitigate nutrient and pollutant loads, contributing to the ecological health of the Po River and its delta.
Frequently asked questions
The plant is located in Marnate, in the province of Varese, Lombardia, Italy, at Via Valle.
The plant serves a population equivalent of 91,774, classifying it as a large agglomeration under EU regulations.
The treated effluent is discharged into local water bodies that are part of the Po River basin, eventually reaching the Adriatic Sea.
As an Italian plant serving over 10,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment and, in sensitive areas, tertiary treatment.
For agglomerations of this size, the EU Urban Waste Water Treatment Directive mandates secondary treatment. In sensitive areas, such as those draining into the Adriatic, tertiary treatment for nutrient removal is often required.
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