Water quality is very important and good water must accomplish a lot of standards in domain: chemical, physical, microbiological, biochemical, radiological. The European standards in according with National standards, show the sampling method and the types of analyse that must make for water that must be submitted to diverse analysis.
Was establishing some important locating points for sampling of water discharged in the Danube – Galati town area. It was made determination of contaminants from water discharged into the river throw sewage network Danube; quantitative evaluation of contaminants and than selecting appropriate equipment for neutralizing contaminants from wastewater.