2 plants indexed.
Hollenegg wastewater treatment plant serves Trag, Steiermark, Austria, with advanced treatment for a population of 1,990. It discharges 301.56 m³/day and has a designed capacity of 2,500 m³/day.
Schwanberg wastewater treatment plant serves the community of Trag in Steiermark, Austria, with a population equivalent of 3,000. The plant operates under EU regulations for small agglomerations.