Gosdorf Wastewater Treatment Plant, Mureck, Steiermark, Slovenia

The Gosdorf wastewater treatment plant is located in Mureck, a town in the Steiermark region of Slovenia, near the Austrian border. It serves a population of approximately 2,888 people, classifying it as a small agglomeration under Slovenian regulations. The plant is situated in a rural area along the Südsteirische Grenz Straße. The facility employs advanced treatment processes, which go beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. With a designed capacity of 4,000 m³/day and an actual discharge volume of 627.36 m³/day, the plant operates well within its capacity, indicating potential for future growth. The advanced treatment likely includes nutrient removal to protect sensitive receiving waters. The treated effluent is discharged into local watercourses that ultimately drain into the Mur River, a major tributary of the Drava and Danube rivers. The Mur River supports diverse aquatic life and is an important ecological corridor in the region. The plant's advanced treatment helps maintain water quality in this transboundary river system.

The Gosdorf plant discharges into the Mur River basin, which flows through Slovenia, Austria, Croatia, and Hungary before joining the Drava River and eventually the Danube. The Mur River supports diverse aquatic ecosystems, including fish species such as grayling and brown trout. The plant's advanced treatment ensures minimal nutrient and pollutant loading, protecting downstream habitats and drinking water sources.