Overview
STADEL wastewater treatment plant serves Windlach, Stadel, in Zürich, Switzerland. It provides advanced treatment for a population of 1,807 and has a designed capacity of 2,200 m³/day.
The STADEL wastewater treatment plant is located in Windlach, within the municipality of Stadel in the Bezirk Dielsdorf of Zürich, Switzerland. It serves a population of approximately 1,807 people, making it a small-scale facility in the region. The plant employs advanced treatment processes, ensuring a high level of pollutant removal before discharge. With a designed capacity of 2,200 m³/day and an average discharge volume of 820.24 m³/day, the facility operates well within its capacity. Swiss wastewater treatment plants are regulated under the Swiss Water Protection Act (Gewässerschutzgesetz), which mandates stringent standards for effluent quality, particularly for advanced treatment plants. The treated effluent is discharged into local water bodies that eventually drain into the Rhine River basin, which flows through Switzerland, Germany, and the Netherlands before reaching the North Sea. The plant plays a key role in protecting the aquatic ecosystem of the region, including downstream habitats that support diverse fish and invertebrate species.
Environmental context
The STADEL plant discharges into local streams that are part of the Rhine River basin. The Rhine is one of Europe's major rivers, flowing through several countries and supporting a rich diversity of aquatic life, including salmon and other migratory fish. The plant's advanced treatment helps minimize nutrient and pollutant loads, protecting downstream water quality and ecological health in the Rhine watershed.
Frequently asked questions
The STADEL plant is located in Windlach, within the municipality of Stadel, in the Bezirk Dielsdorf of the canton of Zürich, Switzerland.
The plant serves a population of approximately 1,807 people, classifying it as a small-scale facility.
The plant provides advanced treatment, which includes processes beyond secondary treatment to remove nutrients and other pollutants, ensuring high effluent quality.
The plant operates under the Swiss Water Protection Act, which sets strict effluent standards. Advanced treatment plants like STADEL are required to meet high removal rates for organic matter, nitrogen, and phosphorus to protect receiving waters.
The plant has a designed capacity of 2,200 m³ per day, with an average discharge volume of 820.24 m³ per day, indicating it operates well below its maximum capacity.
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