Overview
Haarbach Wolfachtal is a secondary treatment plant serving 2,190 people in Rainding, Bavaria, Germany. It discharges 864.59 m³/day of treated wastewater into the local watershed.
Haarbach Wolfachtal is a municipal wastewater treatment plant located in Rainding, within the Haarbach municipality in the Passau district of Bavaria, Germany. The plant serves a population of approximately 2,190 people, classifying it as a small agglomeration under the EU Urban Waste Water Treatment Directive (UWWTD). The plant provides secondary treatment, which is the minimum standard required by the EU UWWTD for freshwater discharges from agglomerations of this size. With a designed capacity of 4,500 m³/day and an average discharge volume of 864.59 m³/day, the plant operates well below its capacity, indicating room for future growth or seasonal variations. The treated effluent is discharged into a local watercourse that ultimately drains into the Danube River basin. The Danube flows eastward through several countries before reaching the Black Sea, making this plant part of a vast international watershed. The surrounding region is characterized by agricultural and forested landscapes, and the plant plays a key role in protecting local water quality.
Environmental context
The plant discharges into a small tributary of the Danube River system, which flows through Bavaria and eventually into the Black Sea. This watershed supports diverse aquatic life and is an important ecological corridor. The plant's secondary treatment helps reduce organic pollutants and suspended solids, protecting downstream habitats from eutrophication and oxygen depletion.
Frequently asked questions
Haarbach Wolfachtal is located in Rainding, a district of Haarbach in the Passau district of Bavaria, Germany.
The plant serves approximately 2,190 people, classifying it as a small agglomeration under EU regulations.
The plant discharges treated effluent into a local watercourse that is part of the Danube River basin, ultimately flowing to the Black Sea.
The plant provides secondary treatment, which meets the EU Urban Waste Water Treatment Directive's minimum requirement for freshwater discharges from small agglomerations.
Under the EU UWWTD, agglomerations with a population equivalent (PE) between 2,000 and 10,000 must have secondary treatment. Haarbach Wolfachtal, serving 2,190 people, complies with this requirement.
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