Overview
ARA GAV Retzbach Retz 1355 HL is an advanced wastewater treatment plant serving Retz, Austria. It treats wastewater for about 3,900 people with a designed capacity of 5,900 m³/day.
ARA GAV Retzbach Retz 1355 HL is an advanced wastewater treatment facility located in Retz, Niederösterreich, Austria. The plant serves a population of approximately 3,900 residents, making it a small to medium agglomeration under Austrian and EU classification. The plant provides advanced treatment, which goes beyond the EU Urban Waste Water Treatment Directive's minimum requirement of secondary treatment for agglomerations of this size. This level of treatment typically includes nutrient removal to protect sensitive receiving waters. The plant's designed capacity is 5,900 m³/day, and it currently discharges a volume of 637.2 m³/day, indicating significant reserve capacity. The treated effluent is discharged into local watercourses that drain into the Danube River basin, ultimately reaching the Black Sea. The plant plays a key role in protecting the region's water quality, particularly given the agricultural character of the surrounding Weinviertel area.
Environmental context
The plant's discharge enters small streams that flow into the Danube River basin, which drains into the Black Sea. The region is part of the ecologically sensitive Danube watershed, supporting diverse aquatic life and providing water for agriculture. Advanced treatment helps reduce nutrient loading, protecting downstream ecosystems from eutrophication.
Frequently asked questions
The plant is located in Retz, in the state of Niederösterreich, Austria, near the border with the Czech Republic.
The plant serves approximately 3,900 people, classifying it as a small to medium agglomeration under EU standards.
The plant provides advanced treatment, which includes nutrient removal beyond secondary treatment, helping to protect sensitive water bodies.
As an Austrian plant serving fewer than 10,000 people, it falls under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment as a minimum. The plant exceeds this with advanced treatment.
The plant has a designed capacity of 5,900 m³ per day, with current discharge around 637 m³ per day, indicating ample reserve capacity for future growth.
Nearby plants