Eco-friendly eco-friendly method that naturally cleans polluted river water by using eco-system restoration method that restores natural ecosystem by always forming fishes for ecosystem restoration

摘要

The present invention provides an environmentally friendly construction method capable of naturally purifying contaminated stream water and restoring a natural ecosystem by forming a fishway for restoring an ecosystem. The present invention is characterized by naturally forming the fishway with a multifunctional movable weir sluice gate (700) combined with a water purifier and purifying the contaminated stream water.