The environmental issues causedby construction and operation of hydropower station mainly include plantdestruction and water and soil loss, river channel sedimentation by abandonedsoil and debris, impact of dam on fish migration, matlab impact of riverdehydration or lowering on aquatic animals and plants, matlab noise produced byconstruction and operation, etc. Based on these purposes, matlab environmentalevaluation is essential for hydropower station development which aims atgetting hold engineering matlab impacts on environment, how severe they are, even if thereexist measures to address them and the way to take steps. After matlab analysis isdone, matlab feasibility of hydropower station could be determined eventually. Hydropower plant is one engineering matlab premiere renewable energy in matlab world; however, there are still some competencies risks behind hydropwer. I are looking to discuss matlab postive effects and disadvantages of hydropower Hydropower represents one engineering matlab clean renewable energy sources. It is harnessed from energy of flowing water that’s converted into flow of electrons.