Modifications to the profile of production in factories directly affect the changes in the amount and composition of the resulting wastewater. Therefore, there is a continued search for new and effective methods for to intensify the removal of pollutants and neutralization. Conducted so far, studies suggest that a positive factor for various unit processes of wastewater treatment is a constant magnetic field (CMF). The objective of the study was to determine the effect of a constant magnetic field (CMF) induction 0.6T the efficiency of removal of nutrients from wastewater dairy reactors SBR. Tests were performed under laboratory conditions, in two variants, different load of activated sludge a load impurities. During the research it proved that the use of CMF was conducive to the elimination of biogenic compounds, although the significance of this factor in the majority of variants was not significant. Regardless of the variant of the experiment was observed very high removal efficiency of nitrogen and phosphorus from waste water dairy tested.