Overview
BRISSOGNE wastewater treatment plant serves Pollein, Italy, in the Valle d'Aosta region. It treats wastewater from a population equivalent of 97,400, operating under EU Urban Waste Water Treatment Directive standards.
BRISSOGNE is a wastewater treatment plant located in Pollein, within the Valle d'Aosta region of Italy. It serves a population equivalent of 97,400, classifying it as a large agglomeration under EU regulations. The plant is situated in the Alpine valley of the Dora Baltea river basin, which ultimately drains into the Po River and the Adriatic Sea. As a large agglomeration, the plant is expected to meet secondary treatment standards under the EU Urban Waste Water Treatment Directive (91/271/EEC). For sensitive areas, which may include parts of the Po basin, tertiary treatment could be required. The plant's operational details, including specific treatment processes and capacity, are managed by local authorities to comply with Italian national regulations transposing the directive. The treated effluent from BRISSOGNE discharges into the Dora Baltea river, a tributary of the Po River. The Po River is the longest river in Italy and flows into the Adriatic Sea, supporting diverse aquatic ecosystems and providing water for agriculture and industry. The plant plays a key role in protecting water quality in this ecologically sensitive alpine watershed.
Environmental context
The plant discharges into the Dora Baltea river, which flows through the Aosta Valley and joins the Po River near Turin. The Po River basin is a major agricultural and industrial region, and its waters ultimately reach the Adriatic Sea. The alpine watershed supports sensitive aquatic habitats, including fish spawning grounds and diverse macroinvertebrate communities. Protecting water quality in this region is critical for downstream ecosystems and human uses.
Frequently asked questions
The BRISSOGNE wastewater treatment plant is located in Pollein, in the Valle d'Aosta region of Italy. Its address is L'Île-Blonde, Le Petit-Pollein, Pollein, Valle d'Aosta, 11020.
The plant serves a population equivalent of 97,400, classifying it as a large agglomeration under the EU Urban Waste Water Treatment Directive.
The treated effluent from BRISSOGNE is discharged into the Dora Baltea river, which flows through the Aosta Valley and eventually joins the Po River, reaching the Adriatic Sea.
As an Italian plant serving over 10,000 population equivalent, BRISSOGNE operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment and, in sensitive areas, tertiary treatment.
For large agglomerations like BRISSOGNE, the EU UWWTD requires secondary treatment as a minimum. In sensitive areas, such as parts of the Po basin, tertiary treatment for nutrient removal may be required to protect water quality.
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