Overview
Mettenheim OT Hart is an advanced wastewater treatment plant in Mühldorf a. Inn, Bayern, Germany, serving approximately 3,400 people. It discharges treated wastewater into the local water system with a design capacity of 6,000 m³/day.
Mettenheim OT Hart is an advanced wastewater treatment plant located in Mühldorf a. Inn, in the Bavarian region of Germany. The plant serves a population of approximately 3,400 residents, making it a small agglomeration under the EU Urban Waste Water Treatment Directive (UWWTD). It is situated inland, away from coastal areas, and its operations are part of the regional wastewater infrastructure managed by local authorities. The plant employs advanced treatment processes, which go beyond the secondary treatment standard required by the EU UWWTD for agglomerations of this size. With a design capacity of 6,000 m³/day and an actual discharge volume of 862.23 m³/day, the facility operates well below its capacity, indicating room for future growth or seasonal variations. The plant's advanced treatment level ensures high-quality effluent that meets stringent environmental standards. The treated wastewater from Mettenheim OT Hart is discharged into the local water system, which ultimately drains into the Inn River, a major tributary of the Danube. The Danube flows into the Black Sea, making this plant part of a vast transboundary river basin. The advanced treatment helps protect the ecological health of the Inn and downstream waters, supporting aquatic life and water quality in the region.
Environmental context
The plant discharges into the local water system that feeds into the Inn River, a significant tributary of the Danube. The Danube basin is one of Europe's most important ecological corridors, supporting diverse aquatic species and migratory fish. The advanced treatment at Mettenheim OT Hart helps reduce nutrient and pollutant loads, protecting the sensitive downstream environments of the Inn and Danube rivers.
Frequently asked questions
Mettenheim OT Hart is located in Mühldorf a. Inn, in the state of Bayern, Germany. The plant serves the local community and is situated inland near the Inn River.
The plant serves approximately 3,400 people, classifying it as a small agglomeration under the EU Urban Waste Water Treatment Directive.
The plant discharges treated wastewater into the local water system, which flows into the Inn River, a tributary of the Danube. The advanced treatment ensures high-quality effluent.
Mettenheim OT Hart provides advanced treatment, which goes beyond the secondary treatment standard required by the EU UWWTD for small agglomerations. This includes nutrient removal to protect sensitive water bodies.
Under the EU UWWTD, agglomerations with a population equivalent (PE) of less than 10,000 are generally required to provide secondary treatment. Mettenheim OT Hart, serving about 3,400 people, meets and exceeds this requirement with advanced treatment, ensuring compliance with environmental standards for the Inn River basin.
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