Overview
POSIEUX wastewater treatment plant serves Hauterive, Switzerland, treating wastewater for approximately 2,324 people. The facility operates under Swiss water protection regulations, ensuring compliance with national standards.
POSIEUX is a wastewater treatment plant located in Hauterive, within the district of Sarine in the canton of Fribourg/Freiburg, Switzerland. The facility serves a population of approximately 2,324 people, making it a small-scale municipal treatment plant typical of rural communities in the Swiss plateau region. Switzerland's wastewater treatment standards are governed by the Federal Water Protection Act (Gewässerschutzgesetz), which mandates treatment appropriate to the receiving water body's sensitivity. For plants of this size, secondary treatment with nutrient removal is standard to protect the country's lakes and rivers. The plant's designed capacity is 1.00 (likely in thousands of cubic meters per day), indicating it is sized for its current service population. The treated effluent from POSIEUX is discharged into the local watershed, which ultimately drains into the Sarine River, a tributary of the Aare River, and then into the Rhine River. The Rhine flows through Germany and the Netherlands before reaching the North Sea. This connection underscores the plant's role in protecting downstream aquatic ecosystems, including the Rhine's diverse fish populations and migratory bird habitats.
Environmental context
POSIEUX discharges into the Sarine River basin, which flows into the Aare River and then the Rhine River, eventually reaching the North Sea. The Rhine is a major European waterway supporting diverse aquatic life, including salmon and eel populations. The plant's treatment helps maintain water quality in this ecologically sensitive river system, which is vital for both biodiversity and human use.
Frequently asked questions
POSIEUX is located in Hauterive, in the district of Sarine, canton of Fribourg/Freiburg, Switzerland. The full address is Route de l'Abbaye, Châtillon-Sud, Hauterive.
The plant serves approximately 2,324 people, making it a small-scale municipal treatment facility.
The treated effluent is discharged into the local watershed, which flows into the Sarine River, a tributary of the Aare River, and ultimately into the Rhine River and the North Sea.
The plant operates under the Swiss Federal Water Protection Act, which requires appropriate treatment to protect water bodies. For small agglomerations, secondary treatment with nutrient removal is typical.
In Switzerland, plants of this size typically employ secondary biological treatment with phosphorus removal to meet strict effluent standards, ensuring protection of sensitive receiving waters like the Rhine basin.
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