Preliminary results of studies on the purification of water in a pond using the SCD Probiotics technology

The paper presents preliminary results of a study on the application of the SCD Probiotics Technology to improve surface water quality. The Technology is based on the principles of the effective microorganism (EM) technology developed in Japan over thirty years ago by Dr Teuro Higa. The study was carried out in 2006–2008 in a pond with an area of 1200 m2, receiving purified sewage discharged from a constructed wetland system with willow vegetation filter, in operation since 1994, to which the SCD Probiotics Technology was applied since September 2007 till June 2008. A decrease of biogens concentrations in the pond water was recorded after applying the tested technology – ammonium nitrate concentration decreased by 85.2%, total nitrogen by 56.9%, while total phosphorus by 77.6%. Chlorophyll a level also showed a decreasing tendency. However, more detailed studies are still required to confirm the effectiveness of the SCD Probiotics technology in the purification of surface water.