Estimation of endangerment of surface and ground  waters of the  Ibar’s middle river basin as a result of  RMHK „ Trepča“ activity
Estimation of endangerment of surface and ground waters of the Ibar’s middle river basin appeared as a result of exploatation and refining of lead zinc ore in Kopaonic ore region, within the region of RMHK „Trepča“ is given in the work . Primary sources of pollution are surface mines, ground exploitatory mines, flotation, separation, flotational and separational gangues, deposits of coal, ashes, ore etc. Not all of quoted sources of pollution are active, but disregarding the statement whether they are active or not, they pollute surface and ground waters only by their existence. The pollution is physical as well as chemical, by which wider environment is polluted causing that some substances are registered even at higher points, sometimes at even one hundred chilometres from the source of pollution.
