The catalysts based on manganese oxides are widely used for groundwater purification from soluble Fe(II) and Mn(II) compounds. This due to the possibility of rapid electronic transitions (Mn3+ – e- ↔ Mn4+) and the exchange between the crystal and the atmospheric oxygen atoms. The aim of this work are development of a new catalysts based on copper-manganese oxides for effectiveness catalytic oxidation of ferrous ions in aqueous solution. The granule catalysts were obtained by impregnation of previously calcined dolomite (at 800 °C) by aqueous solution with composition 0.2 М CuCl2+0.2 M MnCl2. After centrifugation of liquid phases, the samples were calcined on the air at 600 °C during 5 h. According XRD analysis the main phases of developed catalysts are MnO2, Ca2Mn3O8, Ca3CuMnO6, Cu1,5Mn1,5O4. The content of copper-manganese oxides in catalysts are not exceeded 2.5-3.1 wt. %. The SEM-EDX studies were confirmed the distribution of catalytic metal oxides components predominantly at the surface of samples. The degree of conversion Fe(II) to Fe(III) are 66% at the initial concentration of ferrous ions 50 mg/l and linear rate of filtration 20 m/h. It was suggested that the high activity of developed catalysts due to the presence of a phase Cu1,5Mn1,5O4 with a spinel structure and mesoporous structure with the unimodal distribution of pore size at maximum of 26 nm.