Overview
Esternberg wastewater treatment plant in Unteresternberg, Oberösterreich, Austria serves 1,900 people with advanced treatment. It has a designed capacity of 3,000 m³/day and discharges 203.72 m³/day.
The Esternberg wastewater treatment plant is located in Unteresternberg, a locality in the municipality of Esternberg, Bezirk Schärding, Oberösterreich, Austria. This facility serves a population of approximately 1,900 residents, reflecting its role as a small-scale municipal treatment plant in the rural landscape of Upper Austria. The plant employs advanced treatment processes, ensuring a high level of pollutant removal before discharge. With a designed capacity of 3,000 m³/day and an average daily flow of 203.72 m³/day, the plant operates well below its capacity, indicating room for future growth or seasonal variations. As an Austrian facility, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size, though the plant exceeds this requirement with advanced treatment. The treated effluent is discharged into local watercourses that ultimately drain into the Danube River basin. The plant's location in the Innviertel region means its discharge contributes to the water quality of small streams feeding the Inn River, a major tributary of the Danube. This downstream connection underscores the plant's role in protecting the broader aquatic ecosystem of the Danube watershed.
Environmental context
The plant discharges into local streams that flow into the Inn River, a major right-bank tributary of the Danube. The Inn River supports diverse aquatic life and is an important migratory corridor for fish species. The advanced treatment level helps minimize nutrient and pollutant loads, protecting downstream water quality in the Danube basin, which ultimately reaches the Black Sea.
Frequently asked questions
The Esternberg wastewater treatment plant is located in Unteresternberg, a locality in the municipality of Esternberg, Bezirk Schärding, Oberösterreich, Austria.
The plant serves approximately 1,900 residents, classifying it as a small agglomeration under EU regulations.
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.
Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations with a population equivalent above 2,000 require secondary treatment. Although Esternberg serves 1,900 people, it already employs advanced treatment, exceeding the directive's minimum requirements.
The plant has a designed capacity of 3,000 m³ per day, with an average daily discharge of 203.72 m³, indicating significant spare capacity.
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