EN
The article present results of research of groundwater collected from 18 well in “Serby” intake water. It presents important element of provision Głogów (Lower Silesia) in drinking water. It mean basic water’s parameters: conduction, pH, nitrates, sulphurous, chlorides, calcium, manganese, ferrum. Next period of work was determination class of groundwater quality. It take advantage polish legal acts. Results indicate is that analyzed groundwater represent II class of quality. Biggest concentrating factors are ferrum and manganese. Groundwater from “Serby” intake water should be purifying.