After the erection of the Croatian C-TECH wastewater treatment plants at Slavonski Brod, Cerna, Otok and Ivankovo in the last few years the City of Zupanja in the eastern part of Croatia will also get a C-TECH WWTP.

The plant, which will consist of 2 basins, is dimensioned for 17,000 p.e. and 14,132 m³/d max. respectively.