The most significant erosion activity in the basin is the erosion of the banks of streams and waterflows. It represents the largest proportion of the total erosion in the basin. In our thesis we used the Prediction rosgen model BANCS (Bank Assessment for Non-point Source Sequence). This type of model quantifies and predicts erosion intensity of banks of waterflows. In the BANCS model, we also determined the Bank´s Erosion Hazard Index (BEHI), Index NBS (Near Banks Stress) and actual erosion of banks. We established 18 experimental sections in waterflow and evaluated these indexes. The real erosion of banks was mesured by erosion sticks placed oin the shore. We measured erosion once a year during two years, we performed two measurements. We determined total BEHI index with using of 8 input characteristics and ratio of their characteristics. We determined the NBS index by ratio of the maximum and average depth of the flow. We also use CN curves to determine the maximum of the culminating flow rate. Results of the work include also basic hydrological and morphometric characteristics of the basin. Determined maximal culminating flow rate reached value of the one-year flow rate. We also made statistic analysis and we assessed the relationship between the BEHI index and real erosion of the bank where the correlation coefficient reached the value R=0,19 and determination coeffcient reached R2= 0,04. We also tried to assess relationship between NBS and real erosion of the bank where R= 0,65 and R2=0,42. Statistic significant was difference between NBS index and real erosion. Then we made two predicition erosion curves with combination of index NBS and real erosion of the banks for moderate BEHI index where the coefficient were R=0,69 and R2= 0,47 and for high BEHI index, where values of the coefficient were R=0,74 and R2= 0,55. We compared real annual bank erosion and predicted annual bank erosion.