Overview
Nandlstadt wastewater treatment plant serves the community of Baumgarten in Bavaria, Germany. It treats wastewater from approximately 4,510 people under the EU Urban Waste Water Treatment Directive.
The Nandlstadt wastewater treatment plant is located in the hamlet of Gründl near Baumgarten, part of the municipality of Nandlstadt in the district of Freising, Bavaria, Germany. The facility serves a population of approximately 4,510 people, placing it in the small agglomeration category under EU regulations. As a German plant operating under the EU Urban Waste Water Treatment Directive (91/271/EEC), the facility is required to provide secondary treatment as a minimum standard. For agglomerations of this size (under 10,000 population equivalent), the directive mandates appropriate treatment to meet receiving water quality objectives. The plant's design and operation are subject to German water management laws and local permitting by the Bavarian environmental authorities. The treated effluent from the plant is discharged into local watercourses that ultimately drain into the Isar River system, a major tributary of the Danube. The Isar flows through Munich and joins the Danube near Deggendorf, which then carries water to the Black Sea. The plant plays a key role in protecting the sensitive aquatic ecosystems of the Isar and Danube basins from nutrient pollution.
Environmental context
The Nandlstadt plant discharges into small streams that feed into the Isar River, a major alpine river known for its high ecological value and recreational importance. The Isar flows through the city of Munich before joining the Danube, which ultimately reaches the Black Sea. The plant's treatment helps protect downstream water quality in the Isar, which supports diverse fish populations and is a designated bathing water in some sections. The region's karst geology and agricultural land use make nutrient removal particularly important to prevent eutrophication in receiving waters.
Frequently asked questions
The plant is located in the hamlet of Gründl near Baumgarten, part of the municipality of Nandlstadt in the district of Freising, Bavaria, Germany.
The plant serves approximately 4,510 people, classifying it as a small agglomeration under EU wastewater regulations.
The treated effluent is discharged into local streams that flow into the Isar River, a major tributary of the Danube, which ultimately reaches the Black Sea.
As a German facility, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size, and is subject to German water management laws and Bavarian permitting.
For small agglomerations under 10,000 population equivalent, the EU directive mandates appropriate treatment to meet local water quality standards, typically secondary biological treatment with nutrient removal where sensitive areas are concerned.
Nearby plants