Abstract
The aim of the investigation was characterizing and operation assessment of the wastewater treatment plant in Dobron taking into consideration its flow capacity, before (350 m3/d) and after development including building of the second technological pipe with the same flow capacity (350 m3/d), finished in September, 2009. Concise description of the applied wastewater treatment technology and results of investigations concerning flow rates of wastewater within last few years, are presented. Example results of wastewater composition analysis and reached treatment conversion are described. Analysis results of screenings, sand removed from sand traps and stabilized sludge are shown.