Waldhausen Wastewater Treatment Plant, Waldhausen im Strudengau, Oberösterreich

The Waldhausen wastewater treatment plant is located in Waldhausen im Strudengau, a municipality in the Bezirk Perg district of Oberösterreich, Austria. It serves a population of 2,131 and operates with advanced treatment technology, reflecting Austria's commitment to high environmental standards in wastewater management. With a designed capacity of 2,500 m³/day and an average discharge volume of 941.03 m³/day, the plant operates well within its capacity. As an Austrian facility, it complies with the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates advanced treatment for sensitive areas and secondary treatment for all agglomerations above 2,000 population equivalent. The plant discharges treated effluent into local watercourses that ultimately drain into the Danube River basin. The Danube is a major European river flowing into the Black Sea, supporting diverse aquatic ecosystems and providing water for millions of people. Advanced treatment at this plant helps protect downstream water quality and ecological health.

The plant's treated effluent enters local streams that feed into the Danube River basin, which drains into the Black Sea. The Danube supports a rich diversity of fish, birds, and aquatic plants, and its delta is an ecologically sensitive area. Advanced treatment reduces nutrient loads, helping to prevent eutrophication in downstream waters and maintain the ecological balance of the river system.