WATER QUALITY IN THE KARACHUNIVSKYI RESERVOIR AS A BASIC SOURCE OF WATER SUPPLY IN KRYVYI RIG CITY

Economic field of industry in Kryvorizhskyi region was formed on the basis of mineral resources, as well as a high concentration and development of mining and metallurgical industry. Since 2008-2012 years was increased ammoni-um nitrogen content, with decline nitrate nitrogen in order to deteriorate self ? purification of Karachunovskyi reser-voir. Water, taken from Karachunovskyi reservoir should concern to "4 class" (by ammonium nitrogen, nitrites amount); "3 class" ? by HM content (Mo, Mg, Cd); "2 class" (Ni, Zn, Fe, Cu); "1 class" (Pb, F, Cr, phenols, synthetic surface-active substances).